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Extech Instruments 407766-NIST
Extech 407766 Sound Calibrator, 94/114dB, 1Hz, for 0.5" or 1.0" Microphones, 5% Accuracy, w/NIST
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Description
- LED indicator lights up when power is on
- Select 94 dB or 114 dB output
- Calibrates and verifies Sound Level Meter operation
- For use on Sound Level Meters with 0.5" or 1.0" microphones
- Durable die-cast, aluminum housing
- NIST Calibration