407722 EXTECH | Alldatasheet
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Specifications subject to change without notice. Copyright © 2008-2014 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.www.extech.com 1/27/14 - R1 Combination 94dB/114dB, 1kHz Professional Calibrator for 0.5" or 1.0" Microphones With durable double-molded housing Sound Level Calibrator Ordering Information: Features:
- Calibrates and verifies Sound Level Meter operation
- For use on Sound Level Meters with 0.5" or 1.0" microphones
- Total Harmonic Distortion (THD) <2% at 94dB
- 1kHz sine wave at 94dB/114dB is generated to an accuracy of 4% (frequency)
- 3 position switch (OFF/94dB/114dB)
- Meets IEC 9042 Class 2
- Complete with 9V battery Specifications Range Accuracy Frequency 1000 Hz ±4% Sound Pressure Level 94dB/114dB ±0.5dB (94dB), ±1dB (114dB) Distortion <2% Total Harmonic Distortion (THD) Operating Temperature 32 to 122°F (0 to 50°C) Power Supply One alkaline 9V battery Power consumption Approx. 10mA DC Dimensions 4.7 x 2 x 1.7” (120 x 51 x 43mm) Weight 4.5oz (130g)