UEI Test Equipment Dafm4 In-Duct Anemometer / Psychrometer
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<b>[Product Information]</b><br>
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<li>Display max/min value - hold function freezes current readings</li>
<li>Sleep and non-sleep selectable - powered by 9V batteries or 9V dc adaptor</li>
<li>Measures: air velocity, temperature, rh% - calculates: air volume, web bulb, dew point</li>
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