ND9-A/ND9-B Sound Level Meter Calibrator
Specifications
1.ND9-A/ND9-B Sound Level Meter Calibrator2.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)
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