Extech 407766 94/114dB Sound Calibrator for 0.5" and 1" Microphones
by Extech Instruments
Product Details
Manufacturer: Extech InstrumentsModel: 407766
Product features:
- Calibrates and verifies Sound Level Meter operation
- For use on Sound Level Meters with 0.5" or 1.0" microphones
- Total Harmonic Distortion (THD) <2% at 94dB
- Meets IEC standard 60942 1997-11
- 3 position switch (OFF/94dB/114dB)
Description of Extech 407766 94/114dB Sound Calibrator for 0.5" and 1" Microphones
1 kHz sine wave at 94 dB and 114 dB (model 407766) is generated to an accuracy of 5% (frequency) and ±0.8 dB. Total Harmonic Distortion (THD) <2 % at 94 dB.Tools & Testers
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