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  • EXTECH 407744 94dB Sound Calibrator

    # 407744

    • 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″ or 1.0″ microphones
    • 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″ or 1.0″ microphones
    • Durable die-cast, aluminum housing
    • 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.5dB
    SpecificationsRangeAccuracy
    Frequency1000 Hz±5%
    Sound Pressure Level94dB±0.5dB
    Distortion<2% 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 5.6″ long (50 x 127mm)
    Weight0.75 lbs. (340g)
    • 9V batteries
    • Carrying case
    • Screwdriver

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