SPER Scientific Graphic Display Sound Meter

Features a large bar graph display, A & C decibel frequency weighting scales, min/max, peak, fast or slow response, AC or DC output, auto-power-off, low battery indicator. Covers 30 to 130 dB in the A & C scales with a resolution of 0.1 dB and an accuracy of ±1.4 dB (ref 94 dB@1KHz). Comes ready to use with a windscreen, 9V battery, instructions, and a foam lined hard shell carrying case. N.I.S.T. Traceable Certificate of Calibration available, or calibrate anytime using optional Acoustical Calibrator 850016.

• Slim, light, ergonomic design
• Covers 30 ~ 130 dB in the A & C scales
• Resolution of 0.1 dB
• Accuracy of ±1.4 dB (ref 94 dB@1KHz)

Dimensions: 10¼" × 2¼" × 1" (258 × 55 × 25 mm)
Weight: 6.5 oz (185 g).

This instrument features a tripod mount, and we recommend using a tripod for the most stable and accurate readings.