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Extech 407766 Sound Calibrator Level, 94/114 dB
Model # 407766Key Features
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Features
- 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 Inch or 1.0 Inch 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)
Technical Information
- Frequency1000 Hz
- Noise Level94dB/114dB
- Distortion% Total Harmonic Distortion (THD)
- Operating Temperature32 to 122°F (0 to 50°C)
- Power SupplyTwo Heavy duty, alkaline 9V Battery
- Power ConsumptionApprox. 10mA DC
- Dimensions2.2 diameter x 5.6in long (50 x 127mm)
- Weight0.75 lbs. (340g)
- Accuracy±5% ±0.5dB (94dB), ±1dB (114dB)
Items Included
- two 9V batteries
- carrying case
- screwdriver