sound level meter, mini sound level meter, digital sound meter, sound calibrator
                                          
Digital Sound Level Meter AMF003              
*This meter was designed according to following standards:
  A. International electrician committee standard: IEC PUB 651 TYPE2
  B. US national standard: ANSI S1.4 TYPE2
*Measuring range: 30~130dBA; 35~130dBC
*Accuracy: ±1.5 dB
*Digit & Resolution: 5 digit & 0.1dB
*Frequency response: 31.5Hz ~8.5KHz
*Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
*Frequency weighting characteristic: A & C
*Time weighting: FAST/SLOW
*Sampling rate: 2times/Second
*Microphone: 1/2 inch polarization capacitance microphone
*AC/DC output
*Max reading
*Overload indication: OVER/UNDER
*Low battery indication
*Packing method: PP box + Gift box
*Power: 1.5V AA* 4pcs or DC 6V 100mA adapter
*Dimension: 256*70*35mm
*Weight: 308g (including batteries)

                                          
Mini Digital Sound Level Meter AMF004              
*This meter was designed according to following standards:
--A. International electrician committee standard: IEC PUB 651 TYPE2
--B. US national standard: ANSI S1.4 TYPE2
*Measuring range: 30~130 dBA
*Accuracy: ±1.5 dB
*Digit & Resolution: 4 digits & 0.1 dB
*Frequency response: 31.5Hz ~8.5KHz
* Frequency weighting characteristic: A
*Sampling rate: 2times/second
*Microphone:1/2 inch polarization capacitance microphone
*Max reading
*Automatic backlight
*Low battery indication
*Automatic power off
*Dimension: 57*36*149mm
*Weight: 110g

                                          
Mini Digital Sound Level Meter AMF013             
This unit was designed according to following standards:
A. International electrician committee standard: IEC PUB 651 TYPE2
B. US national standard: ANSI S1.4 TYPE2

1. Measuring range: 30~130 dBA; 35~130 dBC
2. Accuracy: ±1.5 dB
3. Digit & Resolution: 5 digit & 0.1 dB
4. Frequency response: 31.5Hz ~8.5KHz
6. Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
7. Frequency weighting characteristic: A & C
8. Time weighting: FAST/SLOW
9. Sampling rate: 2times/second
10. Microphone:1/2" polarization capacitance microphone
11. AC/DC output
12. Max reading
13. PWM signal output
14. Calendar function
15. 4700 data store with USB interface
16. USB computer interface
17. Analysis software
18. Overload indication: OVER / UNDER
19. Automatic backlight
20. Low battery indication
21. Auto power off

                                          
Digital Sound Level Meter AMF007              
*This unit was designed according to following standards:
  A. International electrician committee standard: IEC PUB 651 TYPE2
  B. US national standard: ANSI S1.4 TYPE2
*Measuring range: 30~130dBA; 35~130dBC
*Accuracy: ±1.5 dB
*Digit & Resolution: 5 digit & 0.1dB
*Frequency response: 31.5Hz ~8.5KHz
*Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
*Frequency weighting characteristic: A & C
*Time weighting: FAST/SLOW
*Sampling rate: 2times/second
*Microphone: 1/2 inch polarization capacitance microphone
*AC/DC output
*Max reading
*Overload indication: OVER / UNDER
*Low battery indication
*Packing method: PP box + Gift box
*Power: 9V battery* 1pcs or DC 6V 100mA adapter
*Dimension: 207*70*29mm
*Weight: 178g (including batteries)

                          
5 IN 1 Environment Tester AMF035                    
Features:
1. Rugged 5-in-1 environmental tester with tripod mount
2. Large dual LCD simultaneous display of Real-time Value and MAX/MIN/AVG/DIF(MAX-MIN) Value
3. Data Hold, MAX/MIN/AVG/DIF, Auto power off, Low Battery and Over Range indicators
4. Built-in low friction vane wheel improves accuracy or air velocity in CMM, CFM, m/s, km/h, FPM, knots
5. Built-in precision digital humidity and temperature sensor for fast response
6. Utilizes precision photo diode and correction filter for Cosine and color corrected light measurements
7. Sound Level measurement meets IEC61672 class 2 using A/C weighting and fast/slow sample rating modes

Specifications Range Resolution Accuracy
Temperature -10~60℃; 14~140℉ 0.1℃; 0.1℉ ±1℃; ±2℉
Humidity 20%~80% RH 0.1RH ±3.0% RH
Light 0~50000LUX 1LUX ±(5.0%+10)
Anemometer 0.4~20m/s 0.1m/s ±(3.0%+10)
1.4~72km/h 0.1km/s
1.3~65.7ft/s 0.1ft/h
0.8~38.9knots 0.1knots
Air Flow  0~999900CMM 0.1CMM
0~999900CFM 0.1CFM
Sound Level 30~130dB(A) 0.1dB ±1.5dB
                          
Sound Level Meter SL4200                    
Specifications:

Frequency range:125Hz to 8KHz
Measuring range:35-130dB
Frequency Weighting: A/C
Microphone:1/2 inch electric condenser
Display:3 1/2 digits LCD display
Resolution:0.5dB
Sampling time:0.5 second
Time Weighting: FAST 125ms; SLOW 1 second
Measuring ranges:Range 1:(30)32dB to 70 dB Range 2:60dB to 100 dB Range 3:90dB to 130 dB
Accuracy:±2dB(94dB@1kHz)
Dynamic range:30dB
MAX hold: "MAX"
Power supply: one 9V battery (model 6F22)
Operating environment:
Temperature: 0-40℃(32-104°F)
Relative humidity: ≤90%RH

                          
Sound Level Meter SL4201 (with usb interface),  SL4201S (without usb interface)                 
Specifications:

Frequency range:31.5Hz to 8KHz
Measuring range:(28)30-130dB
Frequency Weighting: A/C
Microphone:1/2 inch polarization capacitance microphone
Digital Display:4 digit LCD
Resolution:0.1dB
Display Update:2 times/sec
Time Weighting: FAST 125ms
SLOW 1 second
Measuring ranges:Range 1:(28)30dB to 70 dB Range 2:60dB to 100 dB Range 3:90dB to 130 dB
Accuracy:±1.5dB(reference conditions 94dB@1kHz)
Dynamic range:40dB
MAX hold: "MAX"
Data storage:60000 samples
USB Interface Data Logger
Power: one 9V battery
Operating environment:
Temperature: 0-40℃(32-104°F)
Relative humidity: ≤75%RH

                                          
Professional Sound Level Meter DT-805               
Features:
1. Provides 1.4dB accuracy
2. Meets IEC61672-1 Type 2
3. Newly Design Shape
4. High Performance
5. Max Hold and Data Hold Function

Specifications:
1. Level Range: Low = 30 ~ 100dB; High = 60 ~ 130dB
2. Accuracy: ±1.4dB (ref 94dB @ 1kHz)
3. Frequency Range: 31.5Hz to 8kHz
4. Frequency Weighting: A, C
5. Time Weighting: Fast, Slow
6. Battery Type: 9V Battery NEDA 1604, IEC 6F22, JIS 006P
7. Operation Temp:0ºC~40ºC (<80%R.H.)
8. Storage Temp: -10ºC~60ºC (<70%R.H.)

                                          
Sound Level Meter SL-5868P               
Application: it is used to calibrate the sound level meters. This instrument is compatible with several standards of GB/T 3785, IEC 651 Type 2, ANSIS 1.4 Type 2. It is widely used to test the sound level of environment, mechanic, vehicle, ship and other noise. Fit for industry environment protecting, working, sanitation, teaching search and other departments.
Display: 10mm (0.4″) LCD (Liquid Crystal Display)
Function: LP, Leq, LN.
Frequency range: 31.5Hz~8kHz
Measurement range: LP:30~130dB (A); 35~130dB (C); 35~130 dB (F); Leq:30-130dB; LN :0-100%
Resolution: 0.1 dB
Accuracy: 1dB
Memory: Maximum value (30groups)
Indicator: Low battery indicator
Alarm: electron
Connector: RS232C
Power supply: 4x1.5v AAA (UM-4 battery
Size: 236 x 63 x26 mm
Weight: 170g (including batteries)
Standard delivery:
1.Main Unit---------------1pc
2.Carrying Case................1pc.
3.Operation Manual..........1pc.
Optional Accessories:
1.ND9 sound level meter calibrator
2.RS-232 and software
3.External relay

                                     
Sound Level Meter SL-5868                  
Standard: GB/T3785, IEC651 Type2, ANSIS1.4Type2
Function: SL LEQ
Measuring: A .40-125dB C. 40-125dB Line. 40-125dB
Filter
Detection characteristics: fast/slow
DC output: 10mv=1dB
Resolution: 0.1dB
Accuracy: 1dB
Display: LCD display
Power supply: 1x9V 6F22 battery
Battery indicator: low battery indicator
Dimensions: 195x72x31mm
Weight (not including probe): 195g

                                     
Sound Level Meter SL-5866                  
Standard: GB/T3785, IEC651 Type2, ANSIS1.4Type2
Function: SL
Measuring: A .40-125dB
Filter
Detection characteristics: fast/slow
Resolution: 0.1dB
Accuracy: 1dB
Display: LCD display
Power supply: 1x9V 6F22 battery
Battery indicator: low battery indicator
Dimensions: 195x72x31mm
Weight (not including probe): 195g

                                     
Sound Level Meter SL-5858                  
Standard: GB/T3785, IEC651 Type2, ANSIS1.4Type2
Function: SL LEQ
Measuring: A .40-125dB C. 40-125dB Line. 40-125dB
Filter
Detection characteristics: fast/slow
DC output: 10mv=1dB
Resolution: 0.1dB
Accuracy: 1dB
Display: LCD display
Power supply: 1x9V 6F22 battery
Battery indicator: low battery indicator
Dimensions: 195x72x31mm
Weight (not including probe): 195g

                                     
Sound Level Meter SL-5856                  
Standard: GB/T3785, IEC651 Type2, ANSIS1.4Type2
Function: SL
Measuring: A .40-125dB
Filter
Detection characteristics: fast/slow
Resolution: 0.1dB
Accuracy: 1dB
Display: LCD display
Power supply: 1x9V 6F22 battery
Battery indicator: low battery indicator
Dimensions: 195x72x31mm
Weight (not including probe): 195g

                                     
Sound Level Meter SL-5826                  
Standard: IEC651 Type2, ANSIS1.4Type2
Function: SL
Measuring: A .L 35-100dB H 80-130dB
Filter
Detection characteristics: fast/slow
DC output: 10mv=1dB
Resolution: 0.1dB
Accuracy: 1dB
Display: LCD display
Power supply: 4x1.5V AA (UM-3) battery
Battery indicator: low battery indicator
Dimensions: 210x69x32mm
Weight (not including probe): 175g

                                     
Sound Level Meter SL-5818                  
Standard: IEC651 Type2, ANSIS1.4Type2
Function: SL LEQ
Measuring: A .40-125dB C. 40-125dB Line. 40-125dB
Filter
Detection characteristics: fast/slow
DC output: 10mv=1dB
Resolution:v0.1dB
Accuracy: 1dB
Display: LCD display
Power supply: 4x1.5V AA (UM-3) battery
Battery indicator: low battery indicator
Dimensions: 210x69x32mm
Weight (not including probe): 175g

                                     
Sound Level Meter SL-5816                  
Standard: IEC651 Type2, ANSIS1.4Type2
Function: SL
Measuring: A .40-130dB
Filter
Detection characteristics: fast/slow
DC output: 10mv=1dB
Resolution: 0.1dB
Accuracy: 1dB
Display: LCD display
Power supply: 4x1.5V AA (UM-3) battery
Battery indicator: low battery indicator
Dimensions: 210x69x32mm
Weight (not including probe): 175g

                                     
Sound Level Calibrator ND9A & ND9B                 
Standard: ANSI S1.40 CLASS2, IEC942
Measuring: 94dB & 114dB
Frequency: 1000Hz+2.4%
Accuracy: 0.5dB (For ND9A); 0.3dB (For ND9B)
Power supply: 9V 6F22 battery
Dimensions: 145X47X47mm