Analog Sound Level Meter Check Noise Levels Economically with MAX HOLD front-panel select switch that locks highest reading on the display Features: • Tripod mount and 9V battery powered, ideal for field use • Analog output for connection to chart recorders, dataloggers, etc. • Selectable weighting (‘A’ or ‘C’) and response time (Fast or Slow) • Complete with 9V battery • Two-color, bright analog display with battery check • Measurement range from 54 to 126 dB in 7 ranges • Built-in 0.5" Electret Microphone Applications: • Identify noise ordinance violations • Traffic noise measurements • Community noise measurements • Theater acoustic studies • Stereo balancing Specifications Range Accuracy Weighting Response time Microphone Analog output Power Supply Dimensions Weight 54 to 126 dB ± 2dB @ 94dB, 1000Hz ‘A’ and ‘C’ (Selectable) FAST and SLOW (Selectable) 0.5" Electret Condenser type AC: 0.707Vrms 9V Battery 2.7 x 7.1 x 1.4" (68 x 180 x 36mm) 5.1 oz. (160g) Ordering Information: 407703A .............Analog Sound Level Meter 407703A-NIST ...Analog Sound Level Meter with NIST Certificate www.extech.com Specifications subject to change without notice. 9/26/08 - R1 Copyright © 2007-2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.