Dwyer 636D-8 Fixed Range Differential Pressure Transmitter

Dwyer 636D-8 is a fixed range differential pressure transmitter with a temperature range of -40 to 140°F (-40 to 60°C) for ambient operating, -40 to 212°F (-40 to 100°C) for process interface and storage. It offers an accuracy of ±0.5% F.S., a response time of 20 ms, and an enclosure rating of NEMA 4 (IP65). The transmitter requires 12-30 VDC for 4-20 mA outputs or 8-14 VDC for 1-5 VDC outputs. It has a 2 ft, 22 AWG cable for electrical connections and a 3/4" female NPT conduit. The output signal can be 4-20 mA DC or 1-5 VDC, and there are fixed zero and span adjustments. The transmitter is suitable for use with compatible gases, liquids, or vapors. It has a ±0.05 psi/90° rotation from horizontal mounting orientation and wetted material made of Types 316L SS. The pressure limit is 3 times full-scale differential pressure with a burst limit of 2500 psig. It has two 1/2" female NPT process connections, and it is approved for use in hazardous locations. The transmitter has a thermal effect of ±2% F.S./50°F and a stability of ±1.0% F.S./yr. The loop resistance is 900 ohms max. at 30 VDC for current outputs and has a minimum lead resistance of 50k ohms for voltage outputs. The current consumption is 4-20 mA for current output models and 3 mA for voltage output models.

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