New Differential Pressure Transmitter

摘要

The new Model 220 now provides a simple, low cost Loop Powered 828 VDC two wire 4-2OmA Transmitter option using the same CSA, UL & ATEX rated sensor and explosion-proof housing used on our popular Model 220 with switches. The transmitter with an industrial type terminal strip is housed in heavy-duty, cast aluminum housing. Wiring access is through a 1/2" NPT port. Accuracy is ±2% from 20% to 100% of full scale. Indicator accuracy is ±2% and is independent of the transmitter. The new Model 220 piston operated unit has pressure containing elements of aluminum or 316 S.S. with 316 S.S. and ceramic terminals. Safe working pressure is 4000 PSIG (275 bar) The new Model 220 has full over-range protection up to full rated working pressures. Differential ranges are available from 0-5 PSID to 0-100 PSID (0.3 bar to 7 bar).