Sound Level Calibrator - SC942
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Standard 94 dB 114 dB/1000 Hz sound calibrator
Frequency: 1000 Hz ± 2 %
Sound Pressure Level: 94 dB range, 94 dB ± 0.75 dB/ 114 dB range, 114 dB ± 0.9 dB
Suitable microphone type: 0.5 inch or 1 inch microphone
Total harmonic distortion: 94 dB range-± 2 %/114 dB range ± 5 %
Operating temperature: 0 to 50 C (32 to 122 F)
Power supply: 2x DC 9V battery, 006P, MN1604 ( PP3 ) or equivalent
Power consumption: Approx. DC 7 mA.
Built-in battery check indicator
Dimension: Round 50 mm dia. x 82 mm