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EXTECH 407766 94/114dB Sound CalibratorLevel position to select 94dB or 114dB
# 407766
- Calibrates and verifies Sound Level Meter operation
- LED indicator lights up when power is on
- Level position to select 94dB or 114dB
- 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 | 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) |
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