Check the listing for details. Senva P6-1500-1LP Universal Pressure Sensor 15" WC Differential. Condition: New – Open box. Listed at 80.00 USD. Senva P6-1500-LP1 Pressure Sensor DRY DIFF. PRESS. 15" ENCLOSED UNIVERSAL W/ LCD, DUCT PROBE Reduce inventory and ordering errors,Selectable 4-20 mA loop-powered, 4-20 mA 3-wire, 0-5VDC, 0-10VDC for compatibility,10 field selectable pressure ranges to address a wide range of applications with high resolution,Field selectable Pa or WC display,Zero calibration push button and remote contact input,Models for duct or remote probe applications,Selectable fast/slow response rate (2s fast, 8s slow) Time and money saving installation,Non-position sensitive for easy placement,Conduit ready or use included water tight cable gland LED visual status indications of operation,LED: Power heartbeat, momentary rapid flash = autozero complete, continual rapid flash = 110% over pressure