Rel-Tek Corporation (USA) WetBoss, monitors relative humidity over 5-95% range, 2-wire hookup, 12-24VDC excitation, 4-20ma, signal powered. The interchangeable sensing element avoids the need for tedious field calibration. It includes a ½†NPT conduit fitting for easy installation. Filters protect WetBoss’ capacitive sensing element and it installs quickly in a plenum or junction box. This 8â€L x 2â€D unit is MSHA approved for hazardous methane areas.
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