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Sound Calibrators - Extech 407744
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407744: 94dB Sound Calibrator
1kHz Professional Calibrator for 0.5'' or 1.0'' Microphones
This 1kHz, 94dB professional sound calibrator for 0.5'' or 1.0'' microphones calibrates and verifies sound level meter operation. Battery test position with battery status LED indicates if battery is good. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB to an accuracy of 5% (frequency) and ±0.5dB (94dB). Meets IEC standard 60942 1997-11. Complete with two 9V batteries, carrying case, and screwdriver.
Features
- Calibrates and verifies Sound Level Meter operation
- Battery test position with battery status LED indicates if battery is good
- For use on Sound Level Meters with 0.5'' or 1.0'' microphones
- Durable die-cast, aluminum housing
- 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.5dB