Sound Level Meters C-320 SOUND LEVEL METER 32-80/50-100/80-130 dB Level range Dynamic Range 50 dB 0.1dB resolution Frequency Range 31.5 Hz to 8 Khz Accuracy ± 1.5 dB (ref 94 dB@1kHz) 4-digit display AC and DC output MAX/MIN function IEC651 Type II Compatible with the Model CBS-6 Tripod Stand     C-322 SOUND LEVEL METER / DATA LOGGER   32-80/50-100/80-130 dB Level Range Autoranging (30-130 dB) Dynamic Range 50 dB 0.1dB resolution Frequency Range 31.5 Hz to 8 kHz Accuracy ±1.5 dB (ref 94 dB@1 kHz) 32,000 record data logger 4-digit backlit display Clock and bargraph displays Auto power off AC and DC output MAX/MIN function IEC651 Type II Includes battery, manual, carrying case, calibration screwdriver, windscreen, RS232 cable and Windows datalogging software Click to Download Manual Compatible with the Model CBS-6 Tripod Stand   C-325 MINI SOUND LEVEL METER   32-80/50-100/80-130 dB Level Range Dynamic Range 50 dB 0.1dB resolution Frequency Range 31.5 Hz to 8 kHz Accuracy ±1.5 dB (ref 94 dB@1 kHz) 4-digit display AC output MAX/MIN function IEC651 Type II Includes battery, manual, calibration screwdriver, windscreen Optional carrying case Click to Download Manual     LSC-942 SOUND LEVEL CALIBRATOR   Standard 94dB and 114dB/1000Hz sound calibrator Perfect for doing field calibrations of Martel sound level meters Simple to use Includes manual, 0.5" mic adaptor, adjustment screwdriver, carrying case, and batteries

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