407732 Datasheet, PDF (3/6 Pages) Extech Instruments Corporation. – Digital Sound Level Meter

Specifications
Display
Display update rate
Microphone
Measurement Bandwidth
Dynamic range
Measurement Range
Frequency weighting
Accuracy / Resolution
Standards
Maximum Hold decay time
Response time
Calibration source required
Power
Battery life
Automatic power off
Operating temperature
Operating humidity
Storage temperature
Storage humidity
Dimensions/weight
4-digit (4000 count) backlit LCD
0.5 seconds
0.5” Electret condensor
31.5Hz to 8KHz
65dB
35 to 130dB (Low: 35 to 100; High: 65 to 130dB)
‘A’ and ‘C’ (selectable)
± 1.5dB (under reference conditions) / 0.1dB
Meets ANSI and IEC Type 2 SLM standards
<1dB / 3min
Fast: 125 milliseconds / Slow: 1 second
1KHz sine wave @ 94dB
9V Battery
50 hours (typical); low battery indicator alerts user
After approx. 15 minutes of inactivity
32 to 104^oF (0 to 40^oC)
10 to 90% RH
14 to 140^oF (-10 to 60^oC)
10 to 75% RH
9.45 x 2.68 x 1” (240 x 68 x 25mm) / 6.75oz (210g)
Support line [phone]
Technical support: Extension 200; E-mail: [e-mail]
Repair & Returns: Extension 210; E-mail: [e-mail]
Product specifications subject to change without notice
For the latest version of this User’s Guide, Software updates, and other
up-to-the-minute product information, visit our website: www.extech.com
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Model 407732 Version 1.4 June 2004