Extech HD755 Differential Pressure Manometer- 0.5PSI
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<b>[Product Information]</b><br>
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<li>USB port includes PC software</li>
<li>Large LCD display with backlighting</li>
<li>11 selectable units of measure</li>
<li>Max/min recording and relative time stamp</li>
<li>Data hold, auto power off and zero function</li>
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