Galaxy CM150 Checkmate Pro Portable SPL Meter    Item #: GAA CM150 

The Galaxy Audio CM150 SPL Meters are inexpensive tools everybody should own.
The ability to accurately measure the lever of sound in high volume situations can make a huge difference in the percieved audio quality of a mix. The CM150 meets the same IEC 651 Type 2 standards of SPL meters that cost 5 times as much or more.

Included Accessories

• Carrying Case
• Calibration Screwdriver
• Operation Manual
• 9V Battery
• Windscreen

CM150 Features

• Back light
• RS-232 Interface
• Graph Indication
• MAX/MIN Function
• Auto Ranging (30 ~ 130dB)
• Level Range Display
• AC/DC Signal Output
• Resolution 0.1 dB
• Auto Power Off
• IEC 651 Type II, ANSI S1.4 Type II

CM150 Specifications

• Microphone: 1/2 Inch Electret condenser microphone
• Accuracy: ±1.5 dB ( under reference conditions 94dB @1KHz )
• Level Range:
  • Lo = 30 ~ 80 dB
  • Med = 50 ~ 100 dB
  • Hi = 80 ~ 130 dB
  • Auto = 30 ~ 130 dB
• Auxiliary Outputs: AC Signal Output
• Frequency Weighting: A , C
• Time Weighting: Fast (125mS) , Slow (1 sec.)
• Dynamic Range: 50 dB
• Frequency Range: 31.5Hz to 8KHz
• Alarm Function: Over, Under
• Battery Life: 9V Battery 50 hours (included)
• Storage Temp.: -10°C~ 60°C(<70% R.H.)
• Dimension: 10.8 ×2.5 ×1.2 Inches ( 275mm×64mm×30mm )
• Weight: Approx. 0.764lbs. (285g)(including battery)