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  • GAL-CM140
  • GAL-CM140

Galaxy Audio CM140 Check Mate Pro Portable SPL Meter

Accurately measures sound levels

Brand New

Out of stock

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Product Description for the Galaxy Audio CM140 Check Mate Pro Portable SPL Meter

Today, there is a need to know just how loud your surroundings really are. The CHECK MATES are inexpensive tools everybody should own. The CM-140 and CM-150 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. We have expanded our line from one CHECK MATE SPL Meter to four products in the category. We have sold thousands of units to working musicians, DJs, police departments, sound contractors, racetracks, etc...

  • Mini Size
  • Low Cost High Performance
  • MAX/MIN Function
  • Level Range Display
  • AC Signal Output
  • Resolution 0.1dB
  • IEC 651 Type II, ANSI S1.4 Type II


  • Standard : IEC 651 Type 2, ANSI S1.4 Type 2
  • Microphone : 1/2" Electret Condenser
  • Accuracy (under reference conditions 94dB @1kHz) : ±1.5dB

Level Range :

  • Lo: 32 - 80dB
  • Med: 50 - 100dB
  • Hi: 80 - 130dB
  • Frequency Range : 31.5Hz to 8kHz
  • Frequency Weighting : A/C
  • Time Weighting : Fast, Slow
  • Auxiliary Outputs : AC Signal Output, 1 Vrms at FS (Full Scale) (FS: Means the upper limit of each level range.)
  • Dynamic Range : 50dB
  • Display : Liquid Crystal Display

Digital Display

  • Digits : 4
  • Resolution : 0.1dB
  • Update : 0.5 sec.
  • Alarm Function : Over, Under
  • Power Supplied By : One 9V battery (included), 006P or IEC 6F22 or NEDA 1604
  • Battery Life : Approximately 70 Hours (Alkaline)
  • Operation Temp. : 0°C to 40°C (32°F to 104°F) (<80% R.H.)
  • Storage Temp. : -10°C to 60°C (14°F to 140°F) (<70% R.H.)
  • Dimensions : 9.1" x 2.1" x 1.3" (232 x 54 x 34 mm) (HxWxD)
Brand Galaxy
Weight 0.5000
Dimensions (WxHxD) 13 x 6 x 2 in


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Galaxy Audio CM140 Check Mate Pro Portable SPL Meter


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