Description
The RFA501 is a temperature assembly combining a spring-loaded Pt100 or Pt1000 RTD sensor with a fabricated flanged thermowell, designed for light to medium process conditions. Available in 2-, 3-, or 4-wire configurations (simplex, duplex, or triplex), it supports accuracy classes from 1/10 DIN to Class B. Connection heads are offered in aluminium, stainless steel, or plastic with M20 x 1.5 entry, and terminations include ceramic block, 4–20 mA transmitter, or tails, with optional loop or battery-powered indicators. The parallel stem thermowell with seal welded flange is available in stainless steel, Hastelloy®, Monel®, or Inconel®, with approvals for hazardous Zones 0–22.
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