ND9-A/ND9-B Sound Level Meter Calibrator

Specifications

1.ND9-A/ND9-B Sound Level Meter Calibrator
2.Accuracy: 0.5dB (ND9-A); 0.3dB(ND9-B);
3.Frequency: 1000Hz+2.4%

ND9-A/ND9-B Sound Level Meter Calibrator

 

Standard: GB/T15173, ANSI S1.40 Class2, IEC942
Output Sound Level: 94dB & 114dB
Accuracy: 0.5dB (ND9-A); 0.3dB(ND9-B);
Frequency: 1000Hz+2.4%
Design For: 1", 1/2"
Power Supply: 1X9V 6F22 Battery
Dimension: 142X47X47mm (5.6x1.85x1.85 inch)
Weight: 275g / 0.61lb (not including battery)