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Extech 407744 Professional Sound Calibrator, 94 db
Model # 407744Key Features
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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 Inch or 1.0 Inch microphones
- Durable die-cast, aluminum housing
- 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.5dB
Technical Information
- Frequency1000 Hz
- Noise Level94dB
- Distortion2% 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)
Items Included
- two 9V batteries
- carrying case
- screwdriver