Models ISPAA3 and INPAA3 are cCSAus intrinsically safe certified.



Models ISPAA3 and INPAA3 are cCSAus intrinsically safe certified to Class I, Division 1, Groups A, B, C and D, when used with approved zener barrier systems. The assemblies include a thin-film PT100 platinum RTD sensing element packaged in an all-welded 316L stainless steel probe. Probes are available in 0.187 and 0.250" dia. with a choice of lengths up to 12". Standard probe assemblies include threaded process connections, and they may be used with a thermowell.

Tel-Tru Manufacturing Co., (800) 232-5335

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