Galaxy CM 140 Checkmate Pro Portable SPL MeterThe Galaxy CM-140 Check Mate is an inexpensive tool everybody should own.
Today, there is a need to know just how loud your surroundings really are and the CM-140 is an affordable way to know that. The CM-140 meets the same IEC 651 Type 2 standards of SPL meters that cost 5 times as much or more. Windscreen and battery are included.
The Galaxy 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. Galaxy has expanded their line from one Check Mate SPL Meter to four products in the category. They have sold thousands of units to working musicians, DJs, police departments, sound contractors, racetracks, etc...
Galaxy CM-140 Features
- 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
Galaxy CM-140 Specifications
- Microphone: 1/2-inch 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 Temperature: 0°C~ 40°C(<80% R.H.)
- Storage Temperature: -10°C~ 60°C(<70% R.H.)
- Dimensions: 9.1 ×2.1 ×1.3 inches (232 × 54 × 34 mm)
- Weight: Approximately 0.54lbs. (200g)