Sound Level Meter Acoustical Calibrator 94dB & 114dB output levels for 1 inch and 1/2 inch mic
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Two output levels of 94dB and 114dB with Output frequency of 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear)</li>
<li>Fits ½ inch and 1 inch microphones (includes ½ inch adapter)</li>
<li>Easy One handed operation with low battery indicator</li>
<li>Battery life approx. 100 hours and Conforms to IEC942 Class 1</li>
<li>Altitude Effects: Approximately0.1dB decrease for each 2000ft increase in altitude from the sea level to 12,000ft elevation or comparable atmospheric pressure change (approx. every 50mm of Hg decrease)</li>
</ul>
</div>
</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='http://ecx.images-amazon.com/images/I/41Tyy1mqIEL.jpg' noproxy></br>
<img src='http://ecx.images-amazon.com/images/I/51W7dRpkRgL.jpg' noproxy></br>
<img src='http://ecx.images-amazon.com/images/I/41Q4ylSJW7L.jpg' noproxy></br>
<img src='http://ecx.images-amazon.com/images/I/519YZsIR%2BuL.jpg' noproxy></br>
<img src='http://ecx.images-amazon.com/images/I/5134Xko2DyL.jpg' noproxy></br>
<img src='http://ecx.images-amazon.com/images/I/41vzF%2BXF3AL.jpg' noproxy></br>
<img src='http://ecx.images-amazon.com/images/I/41%2By6KirJRL.jpg' noproxy></br>