EXTECH 407703A

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.