The PR-21 series RTD sensor features an all welded 316L stainless steel housing, an integral 4-pin M12 connector, a fast response time, and a temperature range of -50ºC to +250ºC. Suitable for process control and test and measurement applications, the sensors can be used in any two-, three, or four-wire application by selecting one of the two available wiring arrangements and using only those wires needed for the connection. This allows the PR-21 sensor to be used for a wide variety of replacement applications. Price Starts at $66. For more details and a datasheet, go to http://www.omega.com/pptst/PR-21.html
Omega Engineering Inc.