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QUEST M-27 Noise Logging Dosimeter The Quest M-27 Noise Logging Dosimeter is a microcomputer-based sound analyzing instrument for accumulating, displaying, and sending data to serial or parallel printers or computers. The M-27 functions as a personal noise dosimeter, an area monitor or as a survey events monitor. * Direct LCD readout, centronix printer output, and computer interface * Measures Lavg, DOSE, TWA, Leq, SEL, sound level, true peak, Lmax, run/pause time * Ranges: 35-126dB and 50-146dB * Simultaneously measures 80 and 90dB thresholds * Selectable thresholds: 70, 75, 80, 85dB * Stores up to 16 events (measuring periods) Includes: dosimeter, microphone bracket, 9 Volt battery and manual Function Tested by a Certified Industrial Hygienist Calibrated @114 dB against a Quest QC-10 Calibrator (not included) Well used, No major flaws (some scratches on casing), Works Perfectly |