Digital Sound Meter

A. Introduction This equipment is designed to meet the measurement requirements of Safety Engineers, Health and Safety offices, and Sound Quality Control in various environments, including factory offices, traffic, and audio systems.  Features: Standards: Conforms to IEC651 TYPE2 & ANSI S1.4 TYPE2.Accuracy: \(\pm \) 1.5 dB.Range: 30-130 dB.Weighting: A or C selection.Time Characteristic: Fast & Slow modes.Output: AC and DC output for frequency analyzers, level recorders, FFT analyzers, and graphic recorders.Power: Auto power off. B. Safety Notice Operating Altitude: Below 2000 meters.Operating Humidity: 10-85% RH.Operating Temperature: 0~40°C.Maintenance: Use a dry cloth to clean the unit; never use solvents. C. Calibration Procedures Please use a Standard Acoustic Calibrator (commonly 94dB @ 1kHz). Settings:Frequency Weighting: A Time Weighting: Fast Level Range: 60 to 110 dB (or set to 100dB/130dB range depending on specific model)Measurement Mode: MAX function disableProcedure:Insert the microphone carefully into the insertion hole of the calibrator.Turn on the calibrator.Adjust the CAL potentiometer on the device until the display reads 94.0 dB.