Setra Systems Model 3100/3200 high-pressure transducers

Thursday, 14 June, 2012 | Supplied by: Pryde Measurement Pty Ltd

Setra Systems has introduced the Model 3100/3200 series, a family of compact, high-pressure transducers designed for high-volume OEM applications and space-constrained environments.

Available in standard (Model 3100) and heavy-duty (Model 3200) versions, the transducers’ design incorporates thin-film strain gauge sensing technology in a Wheatstone bridge configuration. Strain gauge molecular layers are sputtered onto a corrosion-resistant 17-4 PH stainless steel diaphragm.

Circuit etching further provides good resistor definition and uniformity. This configuration allows simple, accurate and compact strain gauges to be deposited directly onto the back of the pressure sensing diaphragm. It also ensures long-term measurement stability and transducer performance with no oil fill requirements, eliminating risks of thermal instability or leakage.

The series is available in standard duty ranges from 50 to 32,000 psi (4 to 2200 bar) with up to three times overpressure protection. The heavy-duty Model 3200 has a thicker diaphragm and optional restrictor or snubber, making it operational in environments where positive or negative pressure spikes may be of concern.

Both versions offer 0.25% full-scale measurement accuracy, with long-term stability of better than ±0.1% fs/yr, over the full operating temperature range of -40 to +105°C.

The series is available with mA, voltage or ratiometric output. Voltage output versions are available with dual temperature and pressure outputs for both series models. A small footprint diameter of less than 25 mm allows easy installation within space-constrained environments. Units are reverse-wire protected, UL listed, meet CE and EMC standards, and are fully RoHS compliant.

Phone: 03 9567 0700
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