Sound Pressure Level meter
Sound Pressure Level meter

CM-140 Check Mate SPL Sound Pressure Level Meter – IEC 651 & ANSI S1.4

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5.0 (2 reviews)

Description

Today, there is a need to know just how loud your surroundings really are. The CHECK MATE CM-140 SPL decibel meter is an economical tool everybody should own. The Galaxy Audio CM-140 and Galaxy Audio CM-170 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 the Galaxy Audio CM-140 and all other 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 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/MIN Function
  • Level Range Display
  • AC Signal Output
  • Resolution 0.1dB
  • IEC 651 Type II, ANSI S1.4 Type II

Accessories

Accessories

WSCM130

Check Mate CM-130 and CM-140 windscreen
 

 

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)

Specifications

Specifications

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)
Weight (without batteries) 7.06 oz (200 g)

Downloads

Downloads

Manual ( PDF – 0.39 MB )
Cut Sheet ( PDF – 2.24 MB )

Reviews (2)

2 reviews for CM-140 Check Mate SPL Sound Pressure Level Meter – IEC 651 & ANSI S1.4

  1. Eugene W. Hairston –

    +
    I needed a sound pressure meter to measure the levels in my studio and the CM-140 did the job perfectly.
    I always shop at Sweetwater and it’s the only brand they carry, so I gave it a shot based on their description and it worked !
    The meter has a lot of features and is easy to use as well !

    (0) (0)

  2. Gavin Fearon –

    One of the venues I work at has one of these at the front of house and I was impressed with the quality for the price — I had to get one for my house gig. It’s super useful and easy to use — and I like that I can get a recalibrator for a reasonable price as well.

    (0) (0)

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