Meets IEC651 and ANSI S1.4 specifications for a Type 1 sound meter. Covers the 30 - 130dB range in both the A and C decibel frequency weighting scales with 0.1dB resolution and an accuracy of ±1dB (125Hz ~ 4kHz). Features fast or slow time weightings, peak hold and AC output. A calibration adjustment allows the user to quickly calibrate the meter's internal electronics. Can also be acoustically calibrated in compliance with OSHA using Acoustical Calibrator 840031. Comes ready to use with a windscreen, calibration tool, instructions, and two 9V batteries, all contained in a hard shell carrying case. Weight: 1 lb (460gm). Dim: 10 1/2" x 3 1/2" x 1 1/2" (260 x 87 x 36 mm)
Also available with NIST traceable certificate of calibration