Sound Level Calibrator

Special Features:
<br>
• <strong>Standard : </strong>Confirms to IEC 942 Class 1.<br>
• <strong>Output Sound Level :</strong> 94dB and 114dB under reference.<br>
•<strong> Accuracy :</strong> ±0.3dB (20°C, 760 mm Hg)<br>
• <strong>Frequency of 1000 ± 0.1% Hz allows calibration with
A / B / C or D weighting networks or linear.</strong><br>
• <strong>Low Battery Indicator (LED).</strong><br>
- <strong>Operating Temperature range :</strong> -10 ~ +50 C<br>
- <strong>Storage Temperature range :</strong> -40 ~ +65 C (with batteries removed).<br>
- <strong>Temperature Coefficient :</strong> 0 ~ 0.01 dB / C<br>
• <strong>Calibration of “1 and ½” ceramic microphones.</strong><br>
• <strong>Altitude Effects :</strong> Approx. 0.1 dB decrease for each 2000 feet increase in altitude from<br>
sea level to 12,000 feet elevation, or comparable atmospheric pressure change<br>
(approx. every 50 mm of Hg decrease).<br>
• <strong>Battery :</strong> Single 9V transistor Battery. (NEDA 1604)<br>
• <strong>Battery Life :</strong> Approx 100 hours.<br>
• <strong>Dimension :</strong> 48 x 48 x 138mm<br>
• <strong>Weight :</strong> Approx. 250g.<br>