Now Sensor-Technik offers a version of the STW A08 pressure transmitter specifically for applications involving high-temperature media. Although the standard version of the A08 pressure transmitter is eminently suitable for applications up to 125C, the new A08-XHT version is capable of operation with media at temperatures up to 200C.
Like the standard version, the XHT transmitter is made entirely of stainless steel and features a thin-film measuring element with no oil filling. Devices are available with gauge pressure ranges from 0-20bar to 0-1000bar, and special pressure ranges can be supplied at no extra cost. Regardless of the pressure range specified, linearity is better than 0.5% full-scale, and full-scale pressure hysteresis and repeatability is specified as better than 0.1%.
Key to the high-temperature performance of the A08-XHT is a two-piece construction, with all electronics protected in a remote sealed housing, separated from the sensor body by a 147mm-long cable. The unit is still compact and simple to mount, with both housings 17mm in diameter. The sensor housing is 63mm in overall length and the electronics housing is just 78mm long.
Interfacing is similarly simple. The A08-XHT offers a choice of two- and three-wire measurement with 4-20mA and 0-10V outputs as standard.
Like the standard A08, the A08-XHT is ideal for all types of hydraulic systems, extending the appeal of this sensor family to high-temperature applications, particularly in chemical and process engineering sectors.
