Main technical index and function:

1. Microphone:

1/2 inch(12.7mm)

Polarized voltage: 0V

Sensitivity: 25mV/Pa

Frequency: 20Hz12.5kHz  

2. Measuring range of sound level meter: 40130dB(A)

3. Frequency weighting and range: A weighting f: 20Hz8kHz

4. Referred sound level and calibrated frequency: 94dB 1000Hz

5. Class setup:

L: 40dB100dB, >100dB overload display

H: 70dB130dB, <70dB oweload display, >130dB overload display

6. Time weighting and hold setup

  Fast(F): 125ms

  Hold: to hold the max sound value of the test result

7. Digital display: automatic display and circulation time of LCD is 1s, and the resolution is 0.1 dB.

8. Class of meter: accords with the requirements of IEC61627 <Sound Level Meter> standard to Model 2 sound level.

9. Sound calibration: HS6020 (94dB, 1000Hz) sound level regulator n.

10. Power: 1 laminated cell of 9V, with input hole of outer power supply

11. Dimension: 246mm×70mm×30mm

12. Weight: 160g (with battery)

13. Working environment:

   Temperature: -10-50, humidity: 25-90%, air pressure: 65kPa-108kPa