Model 407732 Version 1.4 June 2004
3
Support line (781) 890-7440
Technical support: Extension 200; E-mail: support@extech.com
Repair & Returns: Extension 210; E-mail: repair@extech.com
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
Specifications
Display 4-digit (4000 count) backlit LCD
Display update rate 0.5 seconds
Microphone 0.5” Electret condensor
Measurement Bandwidth 31.5Hz to 8KHz
Dynamic range 65dB
Measurement Range 35 to 130dB (Low: 35 to 100; High: 65 to 130dB)
Frequency weighting ‘A’ and ‘C’ (selectable)
Accuracy / Resolution ± 1.5dB (under reference conditions) / 0.1dB
Standards Meets ANSI and IEC Type 2 SLM standards
Maximum Hold decay time <1dB / 3min
Response time Fast: 125 milliseconds / Slow: 1 second
Calibration source required 1KHz sine wave @ 94dB
Power 9V Battery
Battery life 50 hours (typical); low battery indicator alerts user
Automatic power off After approx. 15 minutes of inactivity
Operating temperature 32 to 104
o
F (0 to 40
o
C)
Operating humidity 10 to 90% RH
Storage temperature 14 to 140
o
F (-10 to 60
o
C)
Storage humidity 10 to 75% RH
Dimensions/weight 9.45 x 2.68 x 1” (240 x 68 x 25mm) / 6.75oz (210g)
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
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