Galaxy Audio CM140 Check Mate SPL Measuring Device

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

Key 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

Technical Specifications

Microphone: ½" 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 110 hours (included)
Operation Temp.: 0°C~ 40°C (32 to 104ºF) (<80% R.H.)
Storage Temp.: -10°C~ 60°C(14 to 140ºF) (<70% R.H.)
Dimension: 9.1" ×2.1" ×1.3" (232mm×54mm×34mm)
Weight: Approx. 0.54lbs. (200g)