Product Description
Extech 407766 94/114dB Sound Calibrator
This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver.
Features Extech 407766 94/114dB Sound Calibrator
- Calibrates and verifies Sound Level Meter operation
- LED indicator lights up when power is on.
- Level position to select 94dB or 114dB.
- For use on Sound Level Meters with 0.5″ or 1.0″ microphones.
- Durable die-cast, aluminum housing.
- 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and and ±0.5dB (94dB)/±1.0dB (114dB)
Specifications Extech 407766 94/114dB Sound Calibrator
| Specifications | Range | Accuracy |
|---|---|---|
| Frequency | 1000 Hz | ±5% |
| Sound Pressure Level | 94dB/114dB | ±0.5dB (94dB), ±1dB (114dB) |
| Distortion | <2% Total Harmonic Distortion (THD) | |
| Operating Temperature | 32 to 122°F (0 to 50°C) | |
| Power Supply | Two Heavy duty, alkaline 9V Battery | |
| Power consumption | Approx. 10mA DC | |
| Dimensions | 2.2″ diameter x 5.6″ long (50 x 127mm) | |
| Weight | 0.75 lbs. (340g) |
Extech 407766 – Manual
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