Sound Level Calibrator ND9A ND9B

Applications:
For quick and easy calibration of sound level meters and sound measuring systems.

Details:
Model:A
Standards:GB/T15173, ANSI S1.40 CLASS2, IEC942
Sound Pressure Level:94dB/114dB
Accuracy:0.5dB
Frequency:1000Hz
Calibration Of Microphones:1", 1/2"
Power Supply:1x6F22 9V Battery
Dimensions:142 × 47 × 47 mm
Weight:275g (Including Batteries)

Model:B
Standards:GB/T15173, ANSI S1.40 CLASS2, IEC942
Sound Pressure Level:94dB/114dB
Accuracy:0.3dB
Frequency:1000Hz
Calibration Of Microphones:1", 1/2"
Power Supply:1x6F22 9V Battery
Dimensions:142 × 47 × 47 mm
Weight:275g (Including Batteries)

We are the MANUFACTURER of measuring instrument in CHINA.

Mob/Wechat:+86-13751744594

Email/Skype:lisali0428@outlook.com

For more details, please feel free to contact Lisa. Thank you!