Extech Instruments 407736 - Specifications

407736-en-GB_V2.5 8/17
5
Specifications
Display
3-1/2 digit (2000 count) LCD
Display update rate
0.5 seconds
Microphone 0.5” Electret condenser
Measurement Bandwidth
31.5Hz to 8KHz
Dynamic range
55dB
Measurement Range 35 to 130dB (Low: 35 to 90; High: 75 to 130dB)
Frequency weighting
‘A’ and ‘C’ (selectable)
Applicable standards
±1dB high accuracy meets Class 2 standards (IEC
61672-2013 and ANSI/ASA S1.4/Part 1
Accuracy / Resolution
± 1.0dB / 0.1dB
Maximum Hold decay time <1dB / 3min
Response time
Fast: 125 milliseconds / Slow: 1 second
Built-in calibration check
1KHz internal sine wave @ 94dB signal is electrical
and is injected after the microphone
AC Analog output
0.65VAC rms (full scale); 600Ω output impedance
DC Analog output
10mVDC / dB; 100
Ω
output impedance (approx).
Power 9V Battery
Battery life
50 hours (typical); Low battery indicator alerts user
Operating temperature
0 to 40
o
C (32 to 104
o
F)
Operating humidity 10 to 90% RH
Dimensions/weight
240 x 68 x 25mm (9.45 x 2.68 x 1”)/ 210g (6.75oz)
Copyright © 2014-2017 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
Certified ISO-9001
www.extech.com