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    Galaxy Audio Checkmate CM140 Pro Portable SPL Meter

    IEC 651 Type II, ANSI S1.4 Type II.

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    Galaxy Audio CM140 Check Mate Pro Portable SPL Meter Product Description

    Today, there is a need to know just how loud your surroundings really are. The Checkmates are inexpensive tools everybody should own. The CM140 and CM150 meet the same IEC 651 Type 2 standards of SPL meters that cost 5 times as much or more. Windscreen and battery are included with each of the Check Mate models.

    The Check Mate series SPL (Sound Pressure Level) meters, first introduced in early 2003, allow musicians, sound contractors, and others to measure SPL in decibels (dB). A decibel is defined as the unit for measuring relative loudness of a sound.


    Mini Size

    Low Cost High Performance

    MAX/MIN Function

    Level Range Display

    AC Signal Output

    Resolution 0.1 dB

    IEC 651 Type II, ANSI S1.4 Type II

    Same Day Music is an authorized dealer of Galaxy Audio products.

    Galaxy Audio CM140 Technical Description

    Microphone: 1/2 in. Electret condenser microphone

    Accuracy: +/- 1.5 dB (ref 94dB @1KHz)

    Level Range:
    - Lo = 32 ~ 80 dB
    - Med = 50 ~ 100 dB
    - Hi = 80 ~ 130 dB

    Auxiliary Outputs: AC Signal Output

    Frequency Weighting: A,C

    Time Weighting: Fast, Slow

    Dynamic Range: 50 dB

    Frequency Range: 31.5Hz to 8KHz

    Battery Life: 9V Battery 70 hours (included)

    Operation Temp.: 0 degrees C~ 40 degrees C(<80% R.H.)

    Storage Temp.: -10 degrees C~ 60 degrees C(<70% R.H.)

    Dimension: 9.1 x 2.1 x 1.3 in. (232mm x 54mm x 34mm)

    Weight: Approx. 0.54lbs. (200g)

    Included Accessories: Operation Manual, 9V Battery, Windscreen

    Same Day Music is an authorized dealer of Galaxy Audio products.

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