The Extech 407766 94dB/114dB Sound Calibrator calibrates and verifies sound level meter operation and meets IEC standard 60942 1997-11.
Features - Extech 407766 94dB/114dB Sound Calibrator
- 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.8dB
- For use on sound level meters with 0.5" or 1.0" microphones
- Total Harmonic Distortion (THD) is less than 2% at 94dB
- LED indicator lights up when power is on
- 3 position switch (OFF/94dB/114dB)
- Level position to select 94dB or 114dB
Technical Specifications
| Frequency | Range: 1000 Hz Accuracy: ±5% |
| Sound Pressure Level | Range: 94dB/114dB Accuracy: ±0.5dB (94dB), ±1dB (114dB) |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Power Supply | 2 heavy duty, alkaline 9V batteries |
| Dimensions | 2.2" diameter x 5.6" L |
| Weight | 0.75 lbs |
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Product Reviews for Extech 407766 Sound Calibrator 94/114dB
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