Conductivity/ec/cf/TDS meters
                                       
AMT02 Water Proof Conductivity/TDS/Salt/Temp Meter   
Technical Data:
Range:
Conductivity: 0-2000uS; 2.00-20.00mS
TDS: 0-1300ppm, 1.30-13.00ppt
Salt: 0-1000ppm; 1.00-12.00ppt
Temperature: 0-90
°C
Accuracy:
Conductivity, TDS, Salt: ±2% F.S.
Temp: ±0.2°
C + 1digit
Resolution:
Cond.: 1uS/0.01mS;  TDS: 1ppm/0.01ppt; Salt: 1ppm/0.01ppt;  Temp: 0.1
°C
ATC: Cond/TDS/Salt: 0-50°C
Power: DC1.5V x 4 battery size: AAA/UM-4
 

                                 
3 IN 1 COMBO pH EC TDS Temperature Meter  

Model

APH-15

APH-16

APH-17

APH-18

 Range

pH

0.00~14.00

EC/TDS

0~1999us/cm

0~19.99ms/cm

0~1999ppm

0~19.99ppt

Temp.

0~55°C

 Resolution

pH

0.01pH

EC/TDS

1us/cm

0.01ms/cm

1mg/L (ppm)

0.01g/L (ppt)

Temp.

0.1°C

 Accuracy

pH

+-0.1pH

EC/TDS

+-2%F.S

Temp.

+-1°C

ATC

0~50°C

Power

4 x 1.5V AG13

Dimensions

170 x 40 x 23mm

Weight

100g

                                         
KL-732 Dual Conductivity TDS Meter          
Measuring Range: 0-9999 uS/cm, 0-4999ppm
Temp Range: 0-99°C (32-212˚F)
Resolution: 1 uS/cm, 1ppm, 0.1°C
Display: 4 digit LCD with backlight
Accuracy: ±2% FS
Data Hold
Backlight: 0-40ppm green colour for direct drink, up 40ppm red light
Size: 165 x 28 x 13mm
Weight: 41g

                                         
KL-733 Dual Conductivity TDS Meter          
Measuring Range: 0-9999 uS/cm, 0-4999ppm
Temp Range: 0-99°C (32-212˚F)
Resolution: 1 uS/cm, 1ppm, 0.1°C
Display: 4 digit LCD with backlight
Accuracy: ±2% FS
Data Hold
Backlight: 0-40ppm green colour for direct drink, up 40ppm red light
Size: 165 x 28 x 13mm
Weight: 41g

                                          
Conductivity/TDS Meter                           

Model

 HMT-1 HMT-2 HMT-3 HMT-4 HMT-5
 Range
0~9990ppm 
0~9990ppm
0~99℃;32~212℉
0~9990us/cm
0~9990us/cm
0~99℃;32~212℉
0~9990ppm;0~9990us/cm
0~99℃; 32~212℉
 Accuracy
±2%F.S
 A T C
0 ~ 50℃
 Auto Shut-off
10 minutes
 Power
2×1.5v(LR44l)
 Dimensions
142×25×15mm
 Weight
30g
                                          
Pocket Conductivity TDS Tester  CD30T 
Applications:
• Water and wastewater treatment
• Research and education
• Environmental monitoring
• Electroplating and printing industry
• Aquaculture and hydroponics
• Beverage industry and other industrial applications

Features:
• Multi parameter pocket conductivity meter contains TDS measurement mode.
• Standard platinum sensor provides fast and reliable measuring results.
• Adjustable TDS conversion factor for different measurement requirements.
• 1 to 3 points push-button calibration with automatic calibration solution recognition.
• Automatic temperature compensation ensures accurate reading over the entire range.
• Auto-Hold function freezes stable measured value for easy viewing and recording.
• Battery indicator shows the remaining battery capacity.
• Auto-Power Off helps user effectively conserve battery life.
• System menu allows setting the 6 parameters, including the number of calibration points, TDS factor, temperature unit, hold function, etc.
• Reset feature automatically resumes all parameters back to factory default settings.
• Replaceable electrode module reduces maintenance and replacement cost.
• Waterproof feature to ensure complete protection in harsh environments.
Specifications:
Conductivity:
1. Range: 0~20.00, 200.0, 2000µS/cm, 20.00mS/cm
2. Accuracy: ±1% F.S.
3. Resolution: 0.01, 0.1, 1
4. Calibration Points: 1 to 3 points
5. Calibration Solutions: 84µS/cm, 1413µS/cm, 12.88mS/cm

TDS:
1. Range: 0~10ppt (Max. 20ppt, depending on factor setting)
2. Accuracy: ±1% F.S
3. TDS Factor: 0.1~1.0 (Default 0.5)

Temperature:
1. Range: 0~60°C, 32~140°F
2. Accuracy: ±1°C
3. Resolution: 0.1°C, 0.1°F
4. Calibration Points: 1 point
5. Calibration Range: Measured value ±10°C

Others:
1. Temperature Compensation: 0~60°C, 32~140°F
2. Temperature Coefficient: 2%/°C
3. Cell Constant: K=1
4. Normalization Temperature: 25°C
5. Hold Function: Manual or Automatic
6. Power Off: Manual or Automatic (8 minutes after last key pressed)
7. Reset Function: Yes
8. Power Requirements: 2×1.5V "AAA" Batteries
9. Dimensions: 185(L)×40(Dia.)mm
10. Weight: 100g
                                          
Pocket Conductivity TDS Salinity Tester  CD40T 
Applications:
• Water and wastewater treatment
• Research and education
• Environmental monitoring
• Electroplating and printing industry
• Aquaculture and hydroponics
• Beverage industry and other industrial applications

Features:
• Multi parameter pocket conductivity meter is equipped with a dual display LCD.
• Standard platinum sensor provides fast and reliable measuring results.
• Adjustable TDS conversion factor to meet different measurement requirements.
• 1 to 3 points push-button calibration with automatic calibration solution recognition.
• Automatic temperature compensation ensures accurate reading over the entire range.
• Auto-Hold function freezes stable measured value for easy viewing and recording.
• Battery indicator shows the remaining battery capacity.
• Auto-Power Off helps user effectively conserve battery life.
• System menu allows setting 6 parameters, including the number of calibration points, temperature unit, hold function, auto-power off, etc.
• Reset feature automatically resumes all parameters back to factory default settings.
• Replaceable electrode module reduces maintenance and replacement cost.
• Waterproof feature to ensure complete protection in harsh environments.
Specifications:
Conductivity:
1. Range: 0~20.00, 200.0, 2000µS/cm, 20.00mS/cm
2. Accuracy: ±1% F.S
3. Resolution: 0.01, 0.1, 1
4. Calibration Points: 1 to 3 points
5. Calibration Solutions: 84µS/cm, 1413µS/cm, 12.88mS/cm

TDS:
1. Range: 0~10ppt (Max. 20ppt, depending on factor setting)
2. Accuracy: ±1% F.S
3. TDS Factor: 0.1~1.0 (Default 0.5)

Salinity:
1. Range: 0~10ppt
2. Accuracy: ±1% F.S
3. Resolution: 0.01ppt

Temperature:
1. Range: 0~60°C, 32~140°F
2. Accuracy: ±1°C
3. Resolution: 0.1°C, 0.1°F
4. Calibration Points: 1 point
5. Calibration Range: Measured value ±10°C

Others:
1. Temperature Compensation: 0~60°C, 32~140°F
2. Temperature Coefficient: 2%/°C
3. Cell Constant: K=1
4. Normalization Temperature: 25°C
5. Hold Function: Manual or Automatic
6. Power Off: Manual or Automatic (8 minutes after last key pressed)
7. Reset Function: Yes
8. Power Requirements: 2×1.5V "AAA" Batteries
9. Dimensions: 185(L)×40(Dia.)mm
10. Weight: 100g
                                       
Professional CON900 Conductivity/TDS/Salinity/Resistivity Meter        Manual
This meter is a perfect combination with the most advanced electronic technology, sensor technology and software design. The meter can measure the parameters of conductivity, TDS, salinity, resistivity, and temperature for high accuracy water solution. It is the best portable conductivity meter with the highest performance and the lowest cost. It is suitable for the trade such as the mining industry, power plant, water treatment projects and environmental protection, etc., especially has more extensive application in the field and spot test.

Measuring range

Conductivity:
0.00~19.99μS/cm; 20.0~199.9μS/cm; 200~1999μS/cm; 2.00~19.99mS/cm;
20.0~199.9mS/cm
TDS: 0~100g/L
Salinity: 0~100ppt
Resistivity: 0~100MΩ·cm

Resolution

0.01/0.1/1μS/cm;  0.01/0.1mS/cm

Accuracy

Meter:±1.0% FS, meter with electrode:±1.5% FS

Temp. Compensation

0 ~ 50 (automatic)

Electrode constant

0.1/1/10cm-1

Benchmark temperature

25, 20and 18

Data storage

100groups

Storage content

Series number, measuring value, unit and temp.

Power

Two AA batteries (1.5V x2)

Size and weight

Meter:65×120×31mm/180g;  Carrying case:255 x 210x 50mm/790g

Quality Safety Certificate

ISO9001:2000, CE and CMC

Environment Temp.

5 ~ 35 (0.01grade)

Environmental Humidity

85%

IP Rating

IP57 Dustproof and waterproof

                                    
10 IN 1 pH/mV Conductivity/TDS/DO Meter EC910 (Chinese Probe) EC910X (UK Probe)     
Features:
High accuracy multi parameter water quality meter includes 8 measurement modes, the meter is suitable for measuring the pH, ORP, Ion concentration, Conductivity, TDS, Salinity, Resistivity and Dissolved Oxygen of the liquids.

pH Mode:
• High accuracy portable multi parameter water quality meter is equipped with a large backlit LCD display.
• 1 to 5 points push-button calibration with auto-buffer recognition.
• Selectable pH buffer standards (USA/NIST/DIN) or using the custom calibration solutions.
• Automatic electrode slope display helps user decide whether to replace sensor.
ORP Mode:
• Single point offset calibration allows adjusting the displayed value to a known standard.
• Relative and absolute millivolt measurement modes provide accurate ORP readings.
Ion Mode:
• 2 to 5 points calibration including the eight concentration calibration points can be selected.
• Automatically recognize ion selective electrodes, does not need to specify type of ion.
• Direct ion concentration readout simplifies the elaborate measurement process.
• Selectable multiple concentration units including the ppm, mg/L and mol/L.
Conductivity/TDS/Salinity/Resistivity Mode:
• 1 to 5 points push-button calibration with automatic calibration solution recognition.
• Selectable cell constants (0.1/1/10), normalization temperatures (20/25°C), TDS conversion factors, seawater and practical salinity measurement modes.
Dissolved Oxygen Mode:
• 1 or 2 points calibration using air-saturated water and zero oxygen solution.
• Manual salinity and barometric pressure compensation improve the measurement accuracy.
Other Features:
• Automatic Temperature Compensation provides accurate reading over the entire range.
• Calibration Due Reminder prompts user to calibrate the meter regularly.
• Stability indicator automatically shows current measurement status.
• Auto-Hold function freezes stable measured value for easy viewing and recording.
• Manual temperature calibration corrects temperature deviation.
• Selectable temperature unit (°C or °F) meets different application requirements.
• Automatic electrode diagnosis shows zero point offset and slope of the electrode.
• Help message as a operational guide that helps you quickly begin using the meter.
• System menu allows setting the 15 parameters, including the calibration points, resolutions, stability conditions, measurement units, etc.
• Reset feature automatically resumes all parameters back to factory default options.
• Expanded memory stores and recalls up to 500 readings.
• Built-in real-time clock stamps stored data to meet GLP standard.
• Stored data can be transferred into computer by USB communication interface.
• Multi-mode power scheme (battery, power adapter, computer's USB port) ensures that use the meter smoothly.
Specifications:
1. pH •Range: -2.000~20.000pH
•Accuracy: ±0.002pH
•Resolution: 0.1, 0.01, 0.001pH
•Calibration Points: 1 to 5 points, USA, NIST, DIN Standards
•Temperature Compensation: 0~100°C, 32~212°F, Manual or Automatic
2. mV •Range: -1999.9~1999.9mV
•Accuracy: ±0.2mV
•Resolution: 0.1, 1mV
•Calibration Points: 1 point (Only for Relative mV mode)
•Calibration Range: ±200mV
3. Ion •Range: 0.001~19999ppm, mg/L, mol/L (Depending on range of ISE)
•Accuracy: ±0.5% F.S (Monovalent), ±1% F.S (Divalent)
•Resolution: 0.001, 0.01, 0.1, 1
•Calibration Points: 2 to 5 points
•Calibration Solutions: 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mol/L, mg/L
4. Conductivity •Range: 0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm
•Accuracy: ±0.5% F.S
•Calibration Points: 1 to 5 points
•Calibration Solutions: 10µS/cm, 84µS/cm,1413µS/cm,12.88mS/cm,111.8mS/cm
•Temperature Compensation: 0~100°C, 32~212°F, Manual or Automatic
•Temperature Coefficient: 0.0~10.0%/°C
•Compensation Modes: Linear or Pure Water
•Cell Constant: K=0.1, 1, 10
•Normalization Temperature: 20 or 25°C
5. TDS •Range: 0~10ppt (Max. 20ppt, depending on factor setting)
•Accuracy: ±1% F.S
•TDS Factor: 0.1~1.0 (Default 0.5)
6. Salinity •Range: 0~10ppt (Max. 80ppt)
•Accuracy: ±1% F.S
•Measurement Modes: Seawater or Practical Salinity
7. Resistivity •Range: 0~100MΩ
•Accuracy: ±1% F.S
•Resolution: 0.01, 0.1, 1
8. Dissolved Oxygen (DO) •Range: 0.00~20.00mg/L (or ppm)
•Accuracy: ±0.2mg/L
•Resolution: 0.01mg/L
•Calibration Points: 1 or 2 points
•Temperature Compensation: 0~50°C, 32~122°F
•Pressure Correction: 60.0~112.5kPa, 450~850mmHg
•Salinity Correction: 0~50g/L
9. Saturation of Oxygen •Range: 0.0~200.0%
•Accuracy: ±2.0%
•Resolution: 0.1%
10. Temperature •Range: 0~105°C, 32~221°F
•Accuracy: ±0.5°C, ±0.9°F
•Resolution: 0.1°C
•Calibration Points: 1 point
•Calibration Range: Measured value ±10°C
11. Others Hold Function: Manual or Automatic
Stability Conditions: Low or High
Calibration Due: 0 to 31 days
Power Off: Manual or Automatic (10, 20, 30 minutes)
Reset Function: Yes
Memory: Stores up to 500 data sets
Output: USB Communication Interface
Connector: BNC, 6-pin Mini Plug
Power Requirements: 3 x 1.5V "AA" Batteries
Battery Life: Approximately 150 hours (Turn off the backlit)
Dimensions: 170(L)x 85(W) x 30(H)mm
Weight: 300g
                                          
CD5 Series Portable Conductivity/TDS/Salinity/Temp Meter           
CD5 series are used to measure conductivity, total dissolved solid, salinity and temperature of solution.
Microprocessor-Based:
CD5 series has built-in high performance CPU, it can work about 200 hours continuously with 9 volt battery.
Single Point Push-Button Calibration:
The meter with single point calibration function, it is permitted to use standard conductivity solution, you need only set conductivity value of the calibration solution at 25℃ and immerse conductivity electrode into solution, then press ENTER key, the meter will be calibrated automatically.
Auto Standard Solution Recognition:
In calibration, the meter will display ERROR if you use conductivity solution by mistake.
Auto-Ranging for Conductivity:
The meter with auto-ranging function when measure conductivity or total dissolved solid. After electrode immersed in solution, CD5 series will fast response and convert range.
Auto Temperature Compensation:
The meter will recognize the temperature sensor automatically and measure temperature after temperature sensor connected to the host. If the conductivity electrode connected to it, the meter will enter automatic temperature compensation.
Adjustable Temperature Coefficient:
Solution contained different ions usually have different temperature coefficient,CD5 series can be set in the range of 0 and 3.9% per centigrade degree.

Adjustable Cell Constant:
When measure solution with higher or lower concentration, you should choose different constant of conductivity electrode. The meter with three cell constants for your choose, it can save the measured value for different constant electrode separately. After setting the constant, you needn't calibrate it again when replacing a new electrode.
Adjustable TDS Coefficient:
According to the theory of electrical conductivity, you need estimate TDS coefficient when measure total dissolved solid of solution.CD530/540 can be set in the range of 0.01 to 1.00,
which can ensure accuracy of measured value.
Hold Function:
The meter with hold function, press MEAS/HOLD key, the meter momentarily freezes reading for easy viewing.
Message Indicator:
The meter with operational message indicator. When you need setup or measurement, the message indicator will help you what you can do and how do it. You can set parameter or select functions under it's guide.
Save Data:
The meter can save 64 data sets, press SAVE key, and the meter will store current measured value, serial number, date, time and other information.
Output Data:
The data can be sent to computer through USB Communication interface, you can print out test report via software.
Model CD520 CD530 CD531 CD540
Conductivity Range 0~1.999, 19.99, 199.9, 1999uS/cm, 19.99, 199.9mS/cm
Conductivity Accuracy ±0.5% F.S ±0.5% F.S ±0.5% F.S ±0.5% F.S
TDS Range --- 0~Max.200ppt --- 0~Max.200ppt
TDS Accuracy --- ±1% F.S --- ±1% F.S
TDS Conversion Factor --- 0.01~1.00 --- 0.01~1.00
Salinity Range --- --- 0.00~5.00% 0.00~5.00%
Salinity Accuracy --- --- ±0.05% ±0.05%
Temperature Range 0~100oC 
Temperature Accuracy ±1oC
Calibration Points 1 Point
Calibration Solution 146.6uS/cm, 1408uS/cm, 12.85mS/cm
Temperature Compensation 0~50oC
Temperature Coefficient 0~3.9%/oC
Cell Constant K=0.1, 1, 10, adjustable
Memory 64 data sets
Display 4.3' LCD
Output

USB Communication interface

Power Requirements 9V Battery
Battery Life Approx. 200 hours of continuous use
Dimensions 185(L)mm×88(W)mm×32(H)mm
Weight 300g
                                          
CD950 Conductivity/TDS/Salinity/Temp Meter           
CD950 are used to measure conductivity, TDS (Total Dissolved Solid), salinity and temperature of solution.
Feature:
Microprocessor-Based
Single point push-button calibration
Auto standard solution recognition
Auto-ranging for conductivity
Auto temperature compensation
Adjustable temperature coefficient (0~3.9%)
Adjustable cell constant (K=0.1,1,10)
Adjustable TDS coefficient

 

Model CD950
Conductivity Range 0~1.999, 19.99, 199.9, 1999uS/cm, 19.99, 199.9mS/cm
Conductivity Accuracy ±0.5% F.S
TDS Range 0~Max.200ppt
TDS Accuracy ±1% F.S
Salinity Range 0.00~5.00% (50ppt)
Salinity Accuracy ±0.05% (0.5ppt)
Resistivity Range 0 to 100MΩ
Resistivity Accuracy ±1% F.S
Temperature Range 0~100oC
Temperature Accuracy ±1oC
Calibration Points 1 Point
Calibration Solution 146.6uS/cm, 1408uS/cm, 12.85mS/cm
Temperature Compensation 0~50oC
Temperature Coefficient 0~3.9%/oC
TDS Conversion Factor 0.01~1.00
Cell Constant K=0.1, 1, 10, adjustable
Memory 99 data sets
Output

USB Communication interface

Power Requirements DC9V, using AC adapters, 220VAC, 50Hz
Dimensions 210(L)mm×188(W)mm×60(H)mm
Weight 1.5kg
                                          
KL-1385 & KL-1385L EC/CF/TDS Waterproof Nutrient Meter 
1. Large and easy-to-read LCD
2. Waterproof design to withstand wet environment
3. Measures 3 parameters including EC,CF,TDS using one electrode
4. Hold Function to saves measurements for convenient reading and recording
Measuring range:
EC: 0.00~19.99EC; CF: 0.0~199CF; TDS: 10~19990ppm
Resolution:
EC: 0.01EC; CF: 0.1CF; TDS: 10ppm
Accuracy:
±2%F·S
Operating Temperature:
0℃~50℃
ATC:
0℃~50℃
Power Supply:
4×1.5V(AG13)
Dimensions:
185×38×38mm

                                        
COM100 EC/TDS/Temp Combo Meter 
Features
  • Measures EC, TDS and Temperature
  • Range: EC:0-9990µs/cm, 0-9.99ms/cm; TDS:0-8560ppm, 0-8.56ppt; 0-80°C;32-176°F
  • Resolution: EC: 0-999 0.1µs; 1000-9990 10µs; TDS: 0-999 1ppm; 1000-9990 10PPM; Temperature: 0.1°C/F
  • Three different calibration options (KCl,442,NaCl), each with its own non-linear conversion factor
  • Digital calibration, not a screwdriver
  • Automatic Temperature Compensation (ATC)
  • Water proof and floats
  • +/-2% accuracy
  • Platinum electrodes
  • Data hold
  • Auto off, low battery indicator
  • Large easy to read LCD display
  • Simple to program and use
  • Weight: 90.7g without case
  • Probe changerable

                                          
COM80 EC/TDS/Temp Combo Meter 
Features
  • Measures EC, TDS and Temperature
  • Range: EC:0-9990µs, 0-9.9ms/cm; TDS:0-5000ppm, 0-5.0ppt; 0-80°C;33-176°F
  • Resolution: EC: 1µs/cm, 0.1ms/cm; TDS: 1ppm, 0.1ppt; Temperature: 0.1°C/F
  • Three different calibration options (KCl,442,NaCl), each with its own non-linear conversion factor
  • Digital calibration, not a screwdriver
  • Automatic Temperature Compensation (ATC)
  • +/-2% accuracy
  • Data hold
  • Auto off
  • Large easy to read LCD display
  • Simple to program and use
  • Weight: 54g

                                          
Professional Conductivity Meter DDSJ-308A  
Characteristics:
1.Double digits LCD display with big screen and blue back light, display conductivity value and temperature value
2.It can be used to measure conductivity, TDS, salinity and temperature.
3.Auto temperature compensation, auto calibration, auto range changing and electricity cutting off protection
4.Measurement results can be stored, deleted, consulted, printed. can store at most 50 sets of measurement data.
5.With RS-232 interface, Model TP-16 printer can be connected
6.With calibration function, can set electrode constant and TDS switching coefficient
7.Measuring ultrapure water with using K=0.01cm-1 titanium alloy electrode and sealing measuring cell
8.Connecting PC with the meter with selecting data soft
Specifications:
1. Measurement range: Conductivity: 0-1.999 X 10uS/cm (can be divided into six ranges and can range changing automatically); 0-1.999uS/cm, 2.00-19.99uS/cm, 20.0-199.9 uS/cm, 200-1999uS/cm, 2.00-19.99mS/cm,20.0-199.9mS/cm
TDS: 0-19900mg/L (can be divided into five ranges and can range changing automatically),0-10.00mg/L,10.0-100.0mg/L, 100-1000mg/L, 1.00-10.00g/L, 10.0-19.99g/L
Salinity: 0.0-80ppt〔(0.0-8.00)%〕
Temperature: -5-105° C
2.Electrode constant,
cm-1: 0.01; 0.1; 1.0; 10.0
3. Accuracy: Conductivity: ±0.5%(FS) ±1bit; Salinity: ±1.0ppt; Temperature: ±0.3°C ±1.bit
4. Stability: ±0.33%(FS) ±1bit/3h
5. The range of temperature compensation: 0-50° C
                                          
Professional Conductivity Meter DDSJ-308F  
Characteristics:
1. It can perform measurement of conductivity, resistance, TDS, salinity and temperature.
2. It has functions of automatic temperature compensation, automatic switch of calibration, measuring range and frequency. Also, power- off protection function is included.
3. It supports calibration of cell constant and TDS factor.
4. It adopts dot-matrix LCD and backlight display and light-touch keys.
5. It can view, print and delete stored data. Up to 200 sets of measuring data can be saved.
6. It has USB interface. If matched with specific communication software, the meter can be connected with computer.
7. It can be used with titanium alloy electrode and sealing groove for measurement of high pure water.
Specifications:
Accuracy grade:0.5
1. Measuring range: Conductivity: 0.000us/cm ~199.9mS/cm; Resistance: 5.00Ω.cm~20.00MΩ.cm; TDS:0.000mg/L~99.9g/L; Salinity: 0.00~8.00%
2. Resolution: Temperature: 0.1°C
3. Accuracy: Conductivity:±0.5%(FS); Resistance:±0.5%(FS); TDS: ±0.5%(FS); Salinity: ±0.1%; Temperature: ±0.2°C
4. Manual/automatic Temperature compensation range: 0.0~40.0°C
5. Power supply: DC adapter (9V,DC,800mA,inside positive and outside negative)
6. Size: 280x215x92mm
7. Weight: 2kg
                                          
Professional Conductivity Meter DDSJ-318  
Features
1. This conductivity meter can measure conductivity, resistivity, TDS (total
dissolved solids), salinity and temperature of the current solution.
2. It applies microprocessor-based technology and functions as automatic
temperature compensation, auto-calibration, auto measuring range switch can be
supported.
3. The user can calibrate the electrode constant or TDS conversion coefficient.
It supports two-point calibration.
4. The stored data can be displayed by graphics and can be viewed, printed and
deleted.
5. This conductivity meter allows the user to review current measuring data and
the last calibration data.
6. It contains three kinds of measuring modes: Continuous measurement, timed
measurement and balance measurement which can meet different measuring
requirements.
7. This conductivity meter uses a 5.7 inch large touch screen, RS-232 and USB
interface. With data collecting software, it can be communicated with PC.

 


Technical Specifications

Range Conductivity 0.055μS/cm~199.9mS/cm (full range measuring, no need to exchange electrode)
Resistivity 5.00Ω·cm~18.25MΩ·cm
TDS 0.000 mg/L~100g/L
Salinity 0.00~8.00%
Temperature -5.0~135.0℃
Accuracy Conductivity ±0.5%FS
Resistivity ±0.5%FS
TDS ±0.5%FS
Salinity ±0.1%
Temperature ±0.3℃
Resolution Conductivity 0.001μS/cm
Resistivity 0.01Ω·cm
TDS 0.001 mg/L
Salinity 0.01%
Temperature 0.1℃
Temp compensation Manual/Auto -5.0~135.0℃
Temp coefficient Adjustable
Calibration May calibrate electrode constant or TDS switch coefficient. Support two-point calibration
Measuring mode Continuous, timed, balance
Data storage 1500 data with time-and-date for GLP compliance(to display measuring result in diagram directly)
View, delete and print Yes
Output RS-232, USB
Software 1.1DC
Power Adapter (9V DC, 800mA)
Sipping package 370x310x340mm, 4kg
                                          
Dual TDS Monitor KL-761EC  (HM model DM-2EC)                                           
FEATURES

Highly efficient and accurate due to its advanced microprocessor technology.
•Displays EC levels of the Feed Water and Product Water with in & out electrode probes.
•Auto-Off function conserves battery power. The unit shuts off automatically after 3 minutes.
•Dual Range - Measures from 0-999µS, with a resolution of 1µS. From 1000 to 9990µS, the resolution is in 10µS increments, indicated by a blinking 'x10' image.
•Factory Calibrated: calibrated to 1413µS. The DM-2EC features digital calibration.
•Diagnostic error messaging
•Shielded sensor cables
•Comes equipped with 1/4 inch Quick-Connect T-fittings. Also available with 3/8" or 1/2" fittings.
•Installs quickly and easily.

SPECIFICATIONS
1. Range: 0-9990µS
2. Accuracy: ±2%
3. Cable Length: 46" (including sensor), shielded cables
4. Sensor: Dual, 1/4" diameter for quick-connect fittings (model SP-3, included)
5. Digital Calibration: Digitally factory calibrated to 1413 µS. Re-calibration can be done separately for each line.
6. Power source: 2 x AA batteries
7. Battery life: Approx. 2 years
8. Size: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.)
9. Weight: 201.3 g (7.1 oz.)
                                          
Panel Mount TDS Controller PS100                     
FEATURES
•Monitors and controls TDS levels for high output commercial systems.
•Large, bright L.E.D. display.
•An alarm will sound if the TDS level rises above the user-set level.
•Installs easily in minutes.
•Includes one sensor probe (at no extra cost).
•Protective cover also available (sold separately)

SPECIFICATIONS
Range: 0 - 999ppm
Accuracy: ±2%
Conversion Factor: NaCl (avg. 0.5)
Resolution: 1 PPM
ATC: Yes (1 - 65 degrees Celsius)
Calibration: Adjustable (manual)
Setting: Controlled by on-screen up/down buttons
Relay Control: The unit will open or close a circuit via dry contacts when the ppm level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device.
Relay Voltage: 5V
Alarm: Optional steady beep (set by user)
Display: Bright 5/8" L.E.D. display
Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable
Power supply: AC 110V / AC 220V
Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.)
Monitor Weight: 476 g (1 lb .8 oz)
Total Weight: 680.4 g (1 lb 8 oz)

                                          
Conductivity/TDS Controller PSC-150                     

FEATURES

  • Monitors and controls TDS levels for high output commercial systems.
  • Large, bright LED display.
  • An alarm will sound if the TDS level rises above the user-set level.
  • On-screen temperature display (C/F).
  • Installs easily in minutes.
  • Includes one sensor probe (at no extra cost).
  • Protective cover also available (sold separately)
SPECIFICATIONS
EC Range: 0-9999 µS; TDS Range: 0 - 5000ppm
Temperature Range: 1-75°C; 33-167 °F
Accuracy: ±2%
Conversion Factor: NaCl (avg. 0.5)
Resolution: 0.1µS/ppm (0-999); 1µS/ppm (1000-9999)
ATC: Yes (1 - 65°C)
Calibration: Adjustable (manual)
Setting: Controlled by on-screen up/down buttons
Relay Control: The unit will open or close a circuit via dry contacts when the ppm/µS level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device.
Relay Voltage: 5V
Alarm: Optional steady beep (set by user)
Display: Bright 5/8" L.E.D. display
Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable
Power supply: AC 110V / AC 220V
Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.)
Monitor Weight: 476 g (1 lb .8 oz)
Total Weight: 680.4 g (1 lb 8 oz)

Optional Protective Cover

                                          
TDS/EC Controller with 4-20mA Output PSC-154                     
FEATURES
•Monitors and controls TDS/EC levels for high output commercial systems.
•Large, bright L.E.D. display.
•4-20mA output signal can connect to a PLC to record values.
•An alarm will sound if the TDS /EC level rises above the user-set level.
•A switch will control a device based upon the set point.
•On-screen temperature display (C/F).
•Installs easily in minutes.
•Includes one sensor probe (at no extra cost).
•Protective cover also available (sold separately)
SPECIFICATIONS
EC Range: 0-9999 µS; TDS Range: 0 - 5000ppm
Temperature Range: 1-75°C; 33-167 °F
Accuracy: ±2% (of the reading)
Conversion Factor: NaCl (avg. 0.5)
Resolution: 0.1µS/ppm (0-999); 1µS/ppm (1000-9999)
ATC: Yes (1 - 65°C)
Calibration: Digital by push button
Set-Point: Single point, controlled by on-screen up/down buttons (to any point within the range)
Relay Control: The unit will open or close a circuit via dry contacts when the ppm/µS level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device.
Relay Voltage: 5V
Output Signal: Digital 4-20mA
Output Accuracy (mA): ±1%
Alarm: Optional steady beep (set by user)
Display: Bright 5/8" L.E.D. display
Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable
Power supply: AC 110V / AC 220V
Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.)
Monitor Weight: 476 g (1 lb .8 oz)
Total Weight: 680.4 g (1 lb 8 oz)

Optional Protective Cover

                                          
CIC-152 Dual Control Dosing/Injection TDS/EC Controller                  
FEATURES
•Monitors and controls dosing or injection systems.
•Large, bright tri-color L.E.D. display.
•Two adjustable set points keep TDS levels within a range (maximum and minimum TDS/EC levels).
•Minimum and maximum control points will activate relay controls via switching dry contacts.
•The CIC-152 can control two different devices (e.g., a pump and a valve).
•Two alarms (maximum and minimum levels) can be set independently of the control points.
•Digital calibration.
•On-screen temperature display.
•On-screen range & control indicator lights (green, yellow or red)
•Installs easily in minutes.
•Includes one sensor probe (no extra cost)
•Protective cover also available (sold separately)
•Available with the NaCl conversion factor (model CIC-152) or the 442TM conversion factor (model CIC-152-4)
SPECIFICATIONS
TDS Range: 0 - 5000ppm (CIC-152): 0 - 8500ppm (CIC-152-4)
EC Range: 0 - 9999µS
Temperature Range: 1-80oC; 33-176oF
Accuracy: ±2% (of the reading)
Resolution: 0.1 ppm (0-999); 1 ppm (1000-9999)
ATC: Yes (1 - 80 degrees Celsius)
Calibration: Digital (by push button)
Factory Calibration: 1413 µS
Set Points: Adjustable by push button. Control Point 2: Maximum TDS Limit. Control Point 1: Lower TDS Level.
Relay Control: The unit will transmit an analog signal (simple switch) via open or closed contacts to a device (e.g. pump/valve) when the ppm/µS level reaches the maximum TDS/EC limit (Control Point 2) or the minimum TDS/EC limit (Control Point 1). The contacts are switched back to the normal position once the TDS returns to the acceptable range.
Relay Voltage: 5V (attached devices must have their own power supply)
Alarm: Two independent alarms (set by user)
Display: Bright 5/8" L.E.D. display
Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable (model SP-1-PSC)
Power supply: AC 110V / AC 220V
Dimensions: 7.2 x 7.2 x 11.1 cm (2.8 x 2.8 x 4.4 in.)
Monitor Weight: 476 g (1 lb .8 oz)
Total Weight: 680.4 g (1 lb 8 oz)
                                          
Conductivity/TDS/Resistivity/Temp. Transmitting Controller CCT-8301A   
Applications and features
1) With 32 bit processor as the core of the powerful kernel and operating system, make products to IT new era.
2) Using advanced modulus hybrid technology, intelligent measure range automatically measurement switch
3) Language man-machine interface, Guided operation menu, Humanized design process
4) TFT320×240 color LCD, Chinese/English language, multi parameter display in one screen
5) Grading permission password protect function, prevent noncertified person freely revise the engineering parameter when log in.
6) LCD background lighting can select long time lighten or delay sleep, fit low carbon fashion.

Conductivity Cell Type 10.00cm-¹ (optional) 1.000cm-¹ (standard) 0.100cm-¹ (optional) 0.010cm-¹ (optional)
Range Conductivity 500~100000us/cm (100ms/cm) 1.0~10000us/cm 0.5~200us/cm 0.05~18.25MΩ·cm
TDS 250~50000ppm 0.5~50000ppm 0.25~100ppm
Temp. 0~180℃ (Sensor PT1000)
Resolution Conductivity: 0.01us/cm, 0.01ms/cm; Resistivity: 0.01MΩ·cm; TDS: 0.01ppm; Temp.: 0.1
Accuracy Conductivity/TDS: 1.5% F.S.; Resistivity: 2.0%; Temp.:  ±0.5
ATC 25℃/90℃
Output 4-20mA
Communication RS485, Modbus RTU agreements
Power DC24V
IP Grade IP65
Size 96 x 96 x 94mm
Slot Size 91 x 91mm
                                          
 HM AP-1 AquaPro Water Quality TDS Meter       
FEATURES
Measures total dissolved solids (TDS) and temperature.
Automatic Temperature Compensation (ATC)
Water-resistant housing
Measurement Range: 0-5000ppm
Digital Calibration (push button)
Auto-off function, data-hold function and low-battery indicator.
Display: large and easy-to-read LCD screen includes simultaneous temperature reading.
Factory Calibrated: The AquaPro is calibrated with a 342 ppm NaCl solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
Includes a cap and batteries
Comes in a retail-oriented package
SPECIFICATIONS
TDS Range: 0-5000ppm (mg/L)
Temperature Range: 0-80 °C; 32-176 °F
Resolution: 1ppm; Temp. resolution is 0.1 °C/F
Accuracy: +/- 2%
Calibration: Digital calibration by push button.
Housing: Water-resistant
Power source: 1 x 3V button cell (CR2032)
Dimensions: 15 x 2.8 x 1.3cm (5.9 x 1.1 x .5 inches)

                                          
HM TDS Meters KL-730 (TDS-3) & KL-731 (TDS-3 Temp, With Temp Display)   
  • Range: 0 - 9990ppm (mg/L)
  • Resolution: 1ppm (also available in 10ppm)
  • Accuracy: +/- 2%
  • Power source: 2 x 1.5V button cell batteries (included)
  • Battery life: over 1000 hours of continuous use
  • Dimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1")
  • Weight with case: 76.5g (2.7 oz)
  • Weight without case: 56.7g (2 oz)
  • Ideal for commercial use. Includes a carrying case with belt clip.
  • Highly efficient and accurate due to its advanced microprocessor technology.
  • Hold Function: saves measurements for convenient reading and recording.
  • Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
  • Measurement Range: 0-9990ppm. From 0-999ppm, the resolution is in increments of 1ppm. From 1000 to 9990ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.
  • Display: large and easy-to-read LCD screen.
  • Factory Calibrated: recalibration is not necessary, but can be done easily with a watch screwdriver. There's no need for messy solutions.
  • Also available in "x10" mode: reads in increments only of 10ppm (0-9990ppm).
                                          
HM TDS Meters (Total Dissolved Solids) KL-740 & KL-741 (With Temp Display)   
FEATURES
Includes an internal digital thermometer (celsius).
The smallest and lightest TDS meter available on the market.
Hold Function - Saves measurements for convenient reading and recording.
Auto-off function - Turns off meter after 10 minutes of non-use to conserve batteries.
Dual Range - Measures from 0 - 999ppm, with a resolution of 1ppm. From 1000 to 9990ppm, the resolution is 10ppm, indicated by a blinking 'x10' image.
Factory Calibrated: our meters are calibrated with a 342ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
Recommended for aquariums & aquaculture, horticulture & hydroponics, pools & spas and water cooler professionals.

SPECIFICATIONS
TDS Range: 0-9990ppm (mg/L)
Temp. Range: 0-80 degrees Celsius
Resolution: 1ppm, 1 degree Celsius
Accuracy: +/- 2%
ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)
Power source: 2 x 1.5V button cell batteries (included)
Battery life: 1000 hours of usage
Dimensions: 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches)
Weight: 34g (1.2 oz)

                                          
TDS Meters (Total Dissolved Solids) KL-710     
  • TDS Range: 0-9990ppm (mg/L)
  • Resolution: 1ppm, 1 degree Celsius
  • ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)
  • Accuracy: +/-3%
  • Auto Power Off.
  • Power source: 2 x 1.5V button cell batteries (included)
  • Dimensions: 15.5 x 3.1 x 2.3 cm (6.1 x 1.25 x 1")
  • Weight: 85g (3 oz)
  • Factory calibrated to NaCl 342ppm; adjustable
  • Data Hold
  • Durable Construction
  • For drinking water, water filter checks, travel, hydroponics, aquariums, food and coffee ...

                                          
TDS Meters (Total Dissolved Solids) KL-711     
SPECIFICATIONS
TDS Range: 0-9990ppm (mg/L)
Temp. Range: 0-80 degrees Celsius
Resolution: 1ppm, 1 degree Celsius
Accuracy: +/-2%
ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)
Power source: 2 x 1.5V button cell batteries (included)
Battery life: 1500 hours of usage
Dimensions: 153 x 31 x 23mm
Weight: 77g

                                          
Conductivity/TDS Meter                           

Model

 HMT-1 HMT-2 HMT-3 HMT-4 HMT-5
 Range
0~9990ppm 
0~9990ppm
0~99℃;32~212℉
0~9990us/cm
0~9990us/cm
0~99℃;32~212℉
0~9990ppm;0~9990us/cm
0~99℃; 32~212℉
 Accuracy
±2%F.S
 A T C
0 ~ 50℃
 Auto Shut-off
10 minutes
 Power
2×1.5v(LR44l)
 Dimensions
142×25×15mm
 Weight
30g
                                          
KL-139 TDS Meter                                          
Order No.:
KL-139P (Platinum Probe)
KL-139S (Stainless Steel Probe)

Technical Specification:
1.Measuring range:0-1999ppm (mg/L)
2.Resolution: 1ppm (mg/L)
3.Accuracy: ±2%F.S
4.Operating Temperature: 0℃- 50℃
5.Power Supply: 2×3V(CR2032 Battery)
6.Environment: Humidity: ≤95%
7.Display:4-digital LCD
8.Weight:46g
9.Dimension:150mm×27mm×20mm

Pocket sized and feather-weight for portable use in a large number of applications including Production and drinking of pure water, Cleanness of swimming pool water, Food processing, Hospitals and medical products, Aquatic cultivation, Boiler water, Households and offices, Aquarium water, Teaching of physics and chemistry, Electroplating water, Cooling towers, Laboratories, Ionized water and water quality testing etc

                                          
KL-139A & KL-139B TDS Meter                
Model KL-139A KL-139B
Measuring Range 0~1999PPm(mg/L)
Accuracy ±2℅F·S
Resolution 1PPm(mg/L)
Display 4-digital LCD
Environment Humidity:≤95℅
ATC 0℃~50℃
Power Supply 4×1.5V(AG13)
Dimensions 165×26×26(mm3) 60×55×23(mm3)
Weight 63g 60g

Order No.:
KL-139AP (Platinum Probe)
KL-139AS (Stainless Steel Probe)

Order No.:
KL-139B (Normal Battery)
KL-139BA (Adaptor + Rechargeable Battery)

                                          
KL-139C TDS Meter                                         
Order No.:
KL-139CP (Platinum Probe)
KL-139CS (Stainless Steel Probe)

Measuring Range: 10~1990ppm
Accuracy:±2% F.S.
Resolution: 10ppm
ATC: 0℃~50℃
Power Supply: 4×1.5V(AG13)
Dimensions: 150mm×29mm×15mm
Weight: 51g

                                          
KL-9835 TDS Meter                                         
Order No.:
KL-9835P (Platinum Probe)
KL-9835S (Stainless Steel Probe)

Measuring Range: 0~1999ppm
Accuracy: ±2% Full Scale
Resolution: 1ppm
ATC: 0℃~50℃
Power Supply: 3×1.5V(AG13)
Dimensions: 175mm×51mm×25mm
Weight: 60g

                                          
KL-1396 (Stainless Steel Probe) KL-1396P (Platinum Probe) Waterproof TDS and Tem. Meter              

Technical Specification:

  ppm Temp(℃)

Measuring range

0~19990ppm

-50℃~70℃

Resolution

10ppm

0.1℃

Accuracy

±2% F·S

±1℃

Display

4-digital LCD

Environment

Humidity≤95%

Automatic Temperature Compensation

0℃~50℃

Power Supply

4×1.5V(AG13)

Dimensions

188mm×35mm×35mm

Weight

98g
                                          
KL-1395 TDS Meter  with Temp Display       
Order No.:
KL-1395P (Platinum Probe)
KL-1395S (Stainless Steel Probe)

Measuring Range: 0~1999ppm (mg/L); -50℃~70℃
Resolution: 1ppm (mg/L); 0.1℃
Accuracy: ±2% F.S.; ±1℃
Display: 4-digital LCD
Environment: Humidity≤95%
ATC: 0℃~50℃
Power Supply: 4×1.5V(AG13)
Dimensions: 170×36×23(mm3)
Weight: 98g

                                          
KL-1393 TDS Meter                                        
Order No.:
KL-1393P (Platinum Probe)
KL-1393S (Stainless Steel Probe)

Measuring Range: 0~19.99ppt
Accuracy:±2% F.S.
Resolution: 0.01ppt
ATC: 0℃~50℃
Power Supply: 2×3V(CR2032)
Dimensions: 150mm×27mm×20mm
Weight: 46g

                                   
KL-1393A & KL-1393B TDS Meter                
Model KL-1393A KL-1393B
Measuring range 0~19.99PPt
Accuracy ±2%F·S
Resolution 0.01PPt
Display 4-digital LCD
Environment Humidity≤95%
Automatic Temperature Compensation 0℃~50℃
Power Supply 4×1.5V(AG13)
Dimensions 165×26×26(mm3) 60×55×23(mm3)
Weight 63g 60g

Order No.:
KL-1393AP (Platinum Probe)
KL-1393AS (Stainless Steel Probe)

Order No.:
KL-1393B (Normal Battery)
KL-1393BA (Adaptor + Rechargeable Battery)

                                          
KL-1393C TDS Meter                                        
Order No.:
KL-1393CP (Platinum Probe)
KL-1393CS (Stainless Steel Probe)

Measuring Range: 100~10000ppm
Accuracy:±2% F.S.
Resolution: 100ppm
ATC: 0℃~50℃
Power Supply: 4×1.5V(AG13)
Dimensions: 150mm×29mm×15mm
Weight: 51g

                                          
KL-1393 TDS Meter                                        
Order No.:
KL-1393P (Platinum Probe)
KL-1393S (Stainless Steel Probe)

Measuring Range: 0-19.99ppt
Accuracy:±2% F.S.
Resolution: 0.01ppt
ATC: 0℃~50℃
Power Supply: 2×3V(CR2032)
Dimensions: 150mm×27mm×20mm
Weight: 46g

                                          
TDS Monitor AMT232 (Hose Type) AMT233 (Pipe Quick Connector)                                                
The new TDS monitor is an smart meter, size only 55 x 38mm. Use one CR2450 battery can use 6 months more.
FEATURES
1. Auto on (when water flow) and Auto off (when water stop flow). 
2. Easy to install.
3. Display both TDS value and in Smile Face (0-50ppm); Calm Face (51-300ppm); Cry Face (301ppm up).
SPECIFICATIONS
1. TDS Range: 0-4999ppm
2. LED digital display. 
3. Standby power: 100uA; power consumption: 2.5mA
4. Operation Temperature: 0~50
°C
5. Batteries: CR2045, DC3V, 540mA
6. Auto On when water flow, auto off when water stop flow. 
7. Size: 55 x 38mm (2.1 x 1.95 inch)
8. Weight: 25g
                                          
Dual TDS Monitor KL-760 & Changeable Probe KL-760P (HM model DM-1)   
FEATURES
1. Displays TDS levels of the feed water and product water with in & out electrode probes.
2. Highly efficient and accurate due to its advanced microprocessor technology.
3. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
4. Dual Range 0-9990ppm (From 0 - 999ppm the
resolution is 1ppm. From 1000 to 9990ppm, the resolution is 10ppm, indicated by a blinking 'x10' image.)
5. Factory Calibrated -Recalibration is not necessary.
6. Comes equipped with John Guest Quick-Connect T-fittings as shown.
7. Installs quickly and easily.

SPECIFICATIONS
  • Range: 0-9990 ppm
  • Accuracy: ±2%
  • Cable Length: 24.5" (including sensor)
  • Power source: 2 x 1.5V button cell batteries (included)
  • Battery life: over 1000 hours of continuous use
  • Size: 7.6 x 2 x 4.7 cm (3 x 0.8 x 1.9")
  • Weight: 79.4 g (2.8 oz.)
                                          
Dual TDS Monitor KL-761 (HM model DM-2)                                          
FEATURES

  • Differences from the KL-760:
  • Designed for commercial/industrial applications.
  • Stronger, water-resistant casing.
  • Improved design, including an extra large, easy-to-read LCD display.
  • Longer, waterproof, shielded cables.
  • Variable mounting bracket.
SPECIFICATIONS
  • Range: 0-9990 ppm
  • Accuracy: ±2%
  • Cable Length: 46" (including sensor)
  • Power source: 2 AAA batteries (included)
  • Battery life: over 1000 hours of continuous use
  • Size: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x 0.7")
  • Weight: 201.3 g (7.1 oz.)
                                          
Dual TDS Monitor KL-761EC  (HM model DM-2EC)                                           
FEATURES

Highly efficient and accurate due to its advanced microprocessor technology.
•Displays EC levels of the Feed Water and Product Water with in & out electrode probes.
•Auto-Off function conserves battery power. The unit shuts off automatically after 3 minutes.
•Dual Range - Measures from 0-999µS, with a resolution of 1µS. From 1000 to 9990µS, the resolution is in 10µS increments, indicated by a blinking 'x10' image.
•Factory Calibrated: calibrated to 1413µS. The DM-2EC features digital calibration.
•Diagnostic error messaging
•Shielded sensor cables
•Comes equipped with 1/4 inch Quick-Connect T-fittings. Also available with 3/8" or 1/2" fittings.
•Installs quickly and easily.

SPECIFICATIONS
1. Range: 0-9990µS
2. Accuracy: ±2%
3. Cable Length: 46" (including sensor), shielded cables
4. Sensor: Dual, 1/4" diameter for quick-connect fittings (model SP-3, included)
5. Digital Calibration: Digitally factory calibrated to 1413 µS. Re-calibration can be done separately for each line.
6. Power source: 2 x AA batteries
7. Battery life: Approx. 2 years
8. Size: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.)
9. Weight: 201.3 g (7.1 oz.)
                                          
KL-RO22 Dual TDS Meter                                          
Technical Specification
Measuring Range: 0~1999ppm
Resolution: 1ppm
Accuracy:±2% Full Scale
Automatic Temperature Compensation: 0~50℃
Power Supply: 4×1.5V (AG13)
Dimensions: 60mm×55mm×23mm
Weight: 98g

                                          
PS-100 Panel Mount TDS Controller        
Install the Panel Mount Controller to constantly monitor TDS levels of water produced by a high-output system.
FEATURES
•Monitors and controls TDS levels for high output commercial systems.
•Large, bright L.E.D. display.
•An alarm will sound if the TDS level rises above the user-set level.
•Installs easily in minutes.
•Includes one sensor probe (at no extra cost).
•Protective cover also available (sold separately)
SPECIFICATIONS
Range: 0 - 999ppm
Accuracy: ±2%
Conversion Factor: NaCl (avg. 0.5)
Resolution: 1 PPM
ATC: Yes (1 - 65 degrees Celsius)
Calibration: Adjustable (manual)
Setting: Controlled by on-screen up/down buttons
Relay Control: The unit will open or close a circuit via dry contacts when the ppm level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device.
Relay Voltage: 5V
Alarm: Optional steady beep (set by user)
Display: Bright 5/8" L.E.D. display
Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable
Power supply: AC 110V / AC 220V
Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.)
Monitor Weight: 476 g (1 lb .8 oz)
Total Weight: 680.4 g (1 lb 8 oz)
                                          
PS-200 Dual TDS Controller                                                     

Install the Dual TDS Controller to constantly monitor TDS levels of water produced by a high-output system. Immediately know if the TDS levels rise above an acceptable level.
FEATURES
•Monitors and controls TDS levels of two water lines (e.g., feed water and product water) for high output commercial systems.
•Large, bright L.E.D. display.
•An alarm will sound if the TDS level rises above the user-set level for the output water.
•Installs easily in minutes.
•Includes two sensor probes (at no extra cost).
•The PS-200 is a monitor for Line 1 (in-line) and a controller for Line 2 (out-line).
•Protective cover also available (sold separately)

SPECIFICATIONS
Range: 0 - 999ppm
Accuracy: ±2%
Conversion Factor: NaCl (avg. 0.5)
Resolution: 1PPM
ATC: Yes (1 - 65 degrees Celsius)
Calibration: Adjustable
Setting: Controlled by on-screen up/down buttons
Relay Control: The unit will open or close a circuit via dry contacts when the ppm level (out line/line 2 only)reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device. (In line/Line 1 does not have a control function)
Relay Voltage: 5V (simple switch)
Alarm: Optional steady beep for Out line/Line 2 (set by user)
Display: Bright 5/8" L.E.D. display
2 Probes: 1/2" bushing, 3 meter (9.8 ft) shielded cable
Power supply: AC 110V / AC 220V
Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.)
Monitor Weight: 476 g (1 lb .8 oz)
Total Weight: 822.1 g (1 lb 13 oz)
                                          
PS-202 Dual TDS Controller                                          

The PS-202 allows for continuous and simultaneous monitoring and control of TDS levels on two water lines.
FEATURES
•Simultaneously monitors and controls the TDS levels of two water lines (e.g., the feed water and product water) for high output commercial systems.
•Large, bright L.E.D. displays.
•An alarm will sound if the TDS level rises above the user-set level for both lines.
•Installs easily in minutes.
•Includes two 1/2" sensor probes (at no extra cost).

SPECIFICATIONS
Range: 0 - 999ppm
Accuracy: ±2%
Conversion Factor: NaCl (avg. 0.5)
Resolution: 1 PPM
ATC: Yes (1 - 65 degrees Celsius)
Calibration: Adjustable
Setting: Controlled by on-screen up/down buttons
Relay Control: The unit will open or close a circuit via dry contacts when the ppm level of the output water (line 2) or input water (line 1) reaches or exceeds its control setting (simple switch). The PS-202 can be used to control one or two pumps, solenoid valves or other device.
Relay Voltage: 5V
Alarm: Steady beep for both lines
Display: Bright 5/8" L.E.D. dual displays
2 Probes: 1/2" bushing, 3 meter (9.8 ft) shielded cable
Power supply: AC 110V / AC 220V
Dimensions: 9.4 x 9.4 x 12.5 cm (3.7 x 3.7 x 4.9 in.)
Monitor Weight: 569.8 g (1 lb 4.1 oz)
Total Weight: 938.4 g (2 lbs 1.1 oz)