This unique sound meter enables remote sound level readings using a detachable probe. It features both RS232 computer interface and AC output. The meter also has A and C decibel frequency weighting scales, fast or slow time weighting, hold peak hold and min-max functions. It meets IEC651 and ANSI S1.4 specifications for a Type 2 sound meter. This meter covers a range of 30 - 130 dB in both manual and auto ranging scales with a 0.1 dB resolution and an accuracy of +/- 1.5 dB. It can be calibrated in compliance with OSHA using the Acoustical Calibrator # 840031 or equivalent. Included are a fold out easel back and tripod screw. Each unit comes ready to use with a windscreen, calibration tool, instructions and 9V battery in a hard shell foam lined carrying case. Weight 8 ounces, Dimensions 8" x 2 1/2" x 1".