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Galaxy Audio CM-150 Check Mate 150 Level Meter |
 The CM150 is a sound pressure level meter with a built-in electret condenser microphone. This new higher-grade CheckMate 150 adds many additional features over the CM140, including an RS-232 interface, graph indicator, auto ranging (30-130 dB), AC/DC signal output and more. Main 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 Specifications: • Microphone: 1/2" 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 • Frequency Weighting: A , C • Time Weighting: Fast (125mS) , Slow (1 sec.) • Dynamic Range: 50 dB • Frequency Range: 31.5 Hz to 8 KHz • Digital LCD Display: 4 Digits, Resolution: 0.1dB, Display Update: 0.5 sec. • Analog Display: 50 segment bar graph, Resolution: 1dB, Display update: 50mS • Alarm Function: Over, Under • AC Output: 1 Vrms at FS (full scale), Output Impedance: Approx 100W, FS: means the upper limit of each level range • DC Output: 10mV/dB, Output impedance approx 1KW • AC Adaptor: Voltage 9 VDC (8-15VDC Max) • Battery Life: 9V Battery 50 hours (included) • Operation Temp.: 0°C~ 40°C (32 to 104ºF) • Dimension: 10.8" x 2.5" x 1.2" ( 275mm?64mm?30mm ) • Weight: Approx. 0.764lbs. (285g)(including battery) |
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