The Digital Type 2 Sound Meter is perfect for testing for OSHA requirements. This unit meets ANSI S1.4 Type 2, IEC 651 type 2, DIN 45633 and JIS 1502. It offers a wide variety of measuring options including A and C decibel frequency weighting scales, fast or slow response, AC or DC output and peak function. The large display has a resolution of 0.1 dB and also indicates low battery and over or under load. Covers 30-130 dB in the A scale and 35-130 dB in the C scale, with an accuracy of +/- 1.5 dB. Can be easily calibrated using the internal oscillation system. This unit has a fold out tripod stand. Includes a case, calibration tool, windscreen and 9V battery. 8 1/2" x 3 1/8" x 1 3/8". 10 ounces