Product category:
Monitoring and sensor equipment and systems
News Release from: Boiswood | Subject: Pressure transducer
Edited by the Manufacturingtalk Editorial
Team on 27 March 2007
Barometric pressure transducer ideal for
extremes
Boiswood introduced the Setra model 278 barometric pressure transducer for the accurate measurement of barometric pressures.
Boiswood has introduced the Setra model 278 barometric pressure transducer for the accurate measurement of barometric pressures The Model 278 transducer, which features a high level output signal, fast, dynamic response and proven stability and accuracy, is ideal for the environmental extremes typically found in Automated Weather Systems (AWS) applications
This article was originally published on Manufacturingtalk on 14 May 2002 at 8.00am (UK)
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The Model 278 is designed with patented electronic circuitry and Setra's SETRACERAM variable-capacitance sensor, which is a symmetrical ceramic capsule that deforms proportionally to applied pressure.
A standard element in many of Setra higher accuracy transducers, the SETRACERAM sensor provides excellent thermal expansion coefficient and low mechanical hysteresis, which contributes significantly to the long-term stability of the Model 278.
The environmentally rugged Model 278 is temperature compensated for changes in temperature from - 40deg to +60degC (-40deg to +140degF) with accuracies to within +/-0.5 hPa/Mb of the Full Scale pressure range.
Offered in absolute pressure ranges from 500 to 1100 hPa/mb, 600 to 1100 hPa/mb, and 800 to 1100hPa/mb, the Model 278 provides long term stability of 0.1 hPa/mb Full Scale per year.
Users can choose either a 2.5 VDC or 5 VDC output with 9.5 to 28 VDC excitation.
The model 278 consumes low levels of power, while its instant warm-up feature makes it ideal for environmental applications where pressure readings must be taken quickly.
The Model 278 offers a 1/8" barbed fitting for push on tubing and a 5 pin terminal strip for connection to a datalogger and signal connections.
In addition, the transducer's compact size (3.6" x 2.4" x 1.0") makes it easy to install and convenient to use.
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