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CM-130 Economical SPL Sound Pressure Level Meter



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The CHECK MATE 130 SPL Meter is an inexpensive tool everybody should own. CHECK MATE SPL Meters are inexpensive tools everybody should own. Windscreen and battery are included with the Galaxy Audio CHECK MATE CM-130 SPL Audio (DB) Decibel  Meter.

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 the 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 Function
  • Level Range Display
  • Resolution 0.5dB


Check Mate CM-130 and CM-140 windscreen


Standard tripod connector with single lock pan head. The tripod extends to 5 height positions from 11" to 3' 8". 

Tripod carrying case included.

CM-C200 Sound Pressure Level Meter Calibrator for 1 inch, ½ inch, & ¼ inch diameter mic capsules

Over time, all SPL meters lose their calibration. The Galaxy Audio CM-C200 is a sound pressure level (SPL) meter calibrator. The CM-C200 meets IEC 60942 2003 Class 2 and ANSI S1.40-1984 standards. The CM-C200 can calibrate 1", 1/2", and 1/4" diameter microphone capsules at 94dB and 114dB. 

The CM-C200 will work with any of the CheckMate SPL Meters and many other brands. The CM-C200 has a test tone at 1kHz at both 94dB and 114dB. The CM-C200 includes 2 adaptors a protective zipper pouch and manual.

  • Accurate and simple to use
  • Calibration levels of 94dB and 114dB at 1kHz
  • Fits 1", 1/2", and 1/4" diameter microphones
  • Conforms to IEC 60942 2003 Class 2 and ANSI S1.40-1984 
  • Weight: 0.41lbs (186.4g) (including battery)
Microphone 1/2" Electret Condenser
Accuracy (under reference conditions 94dB @1kHz) ±2dB
Level Range: 1: 40 - 70dB
2: 60 - 90dB
3: 80 - 110dB
4: 100 - 130dB
Frequency Range 125Hz to 8kHz
Frequency Weighting A/C
Time Weighting Fast, Slow
Dynamic Range 30dB
Display Liquid Crystal Display
Digital Display Digits: 4
Resolution: 0.5dB
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 110 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)
Weight (with batteries) 6 oz (170 g)
Manual ( PDF - 0.23 MB )
Cut Sheet ( PDF - 2.24 MB )
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