Resistance temperature sensor 91 series

Pt100RTDinsertion

Standard head-type RTD assembly A variety of head types are available Factory Mutual and Canadian Standards approved explosion proof models available Transmitter available, fits standard heads Probe welded to fitting or spring loaded If used in conjunction with a thermowell, probe can be replaced in some models without possibility for leakage Process fitting 1/2" NPT standard, others available RTD PT100 Ω standard, others available 2, 3 or 4-wire circuit types Isolation to 500 Vdc emperature ranges - -50 °F to 400 °F (-50 °C to 200 °C) -50 °F to 750 °F (-50 °C to 400 °C) -330 °F to 1,100 °F (-200 °C to 600 °C) Sheath material - 316 stainless steel Finish (standard) - 32 micro-inches maximum Pressure rating - 500 psi (34.5 bar), tube only RTD element - PT100 Ω @ 32 °F (0 °C), α=0.00385 IEC 751 Lead wires - Stranded 22 AWG standard, PVC or PTFE insulation Self-heating - 50 mW / °C typical in moving water Insulation resistance - Single element probes: 100 mega Ω/min. at 500 Vdc, leads to case Dual element probes: 100 mega Ω/min. at 100 Vdc, between element and leads to case Environmental protection - A1/A2:NEMA 4 P1 & S1/S2:NEMA 4X Transition - Sheath to wire transition max. temperature 266 °F (130 °C)