Setra 546/547 High Performance Pressure Transducer

Setra’s Model 546/547 pressure transducers offer lab type pressure measurement in a rugged industrial housing complete with 5:1 range turndown, ideal for high overpressure applications to provide full-scale output from 25% to 125% of the full range.

Utilizing thin film technology, the 546/547 have a 4 – 20 mA output, 0.1% FS accuracy, high overpressure capability, choice of absolute, gauge or sealed gauge pressure measurement, and pressure ranges from 10 pSI up to 10,000 PSI.  The compensated temperature is from -10°C up to +75°C.  Designed for use with corrosive media, the 546/547 are offered with 17-4 PH stainless steel or Inconel (17-4 PH and 15-7 Mo for ranges ≤30 psi) wetted parts to provide years of maintenance free pressure measurement in demanding industrial applications. (Order Model 547 for pressure transducer with Inconel® wetted parts.)  Depending upon the electrical connection
selected, when coupled with the Model 546/547 enclosure, which is fabricated in 321 SS, 17- 4 PH SS, and Glass-Filled Polyester, this unit is rated for IP40, IP65, or IP68 operation.

Thin Film Strain Gauge Pressure Sensors
Using the well proven Wheatstone Bridge principle, molecular layers are sputtered onto a 17-4 PH stainless steel diaphragm, and the circuit is etched to provide excellent resistor definition and uniformity. Sputtered thin-film technology allows the design of simple, highly accurate, and compact strain gauges deposited onto the back of the sensing diaphragm, which is in direct contact with the media. Thin-Film Technology virtually eliminates drift while offering enhanced sensitivity.