0.250″ (6.35mm) sheath diameter platinum RTD designed for direct immersion where fast response is needed or in small diameter lines. Pressure rated to 3000 psi. Hazardous ratings are available.

A direct immersion style RTD that features a 1/2″ NPT process connection and 1/2″ NPT instrument connection. The 1/4″ diameter stem is standard with an optional 3/16″ diameter available. Pressure rated to 3000 psi. Available with ratings for use in hazardous atmospheres. Single element with 3 or 4 wire circuit or dual 3 wire sensing elements.

Series 200 Standard Spec Sheet


Sensor typeRTD (Pt100)
Temperature range-196 to 500 C (-320.8 to 932 F)
Sensor styleDirect Immersion
Sheath diameter0.25", 0.188"
Immersion depthFixed
Process connection 1/2" NPT
Head connectionNPT
Spring loaded for thermowellNo
Wire terminationHead
Hazardous ratingOptional
Configure Part Application Notes