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This model covers 30-130dB in the A scale and 35-130dB in the C scale with a resolution of 0.1 dB and an accuracy of ±1.5dB. It also meets ANSI S1.4 Type 2 and IEC651 Type 2 and includes A and C decibel frequency weighting scales, fast or slow response, AC or DC output, low battery indicator, peak function and can be calibrated in compliance with OSHA using Acoustical Calibrator 840031.

In addition, this new model contains many advanced features including:

  • A larger LCD display with an analog bar graph
  • Auto-ranging, max-min, RS232 Computer interface
  • Accurate measurement in the presence of high background noise
Comes ready to use with a windscreen, 9V battery, instructions, and a hard shell carrying case. The Graphic Display Sound Meter 840028 works with the Data LAB Graphical Software 840053. Dim: 11" x 3" x 1 1/2" (256 x 80 x 38 mm)
Also available with NIST traceable certificate of calibration

840031 Acoustic Calibrator
840027 AC Adaptor
840092 Bench-Top Tripod
840093 Field Tripod; height 6 1/2"
840054 RS232 Cable
840053 Data Lab Graphical Software, v1.03
840090 Water Resistant Pouch

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