H&B SENSORS
RTD Sensor (Pt100, Pt1000) with Solid Drilled Stepped Flanged Thermowell
- Types/Config: Pt100, Pt1000; Simplex–Triplex; 2–4 wire
- Certs/Accuracy: DIN classes; ATEX/IECEx/UKEX
- Build: Alu/SS/Plastic heads; terminals/transmitters; indicators
- Design: Extensions, thermowell, stepped stem; flange sizes/ratings/types
- Specs: Welded/forged, NACE; SS & alloys; -196°C to +650°C
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Description
The RFA401 is a heavy-duty temperature assembly combining a spring-loaded Pt100 or Pt1000 RTD with a solid drilled stepped flanged thermowell, engineered for high-pressure, high-flow applications. 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 include aluminium, stainless steel, or plastic, with termination options of ceramic block, 4–20 mA transmitter, or tails, plus optional loop or battery-powered indicators. The stepped thermowell design improves response times and is available in stainless steel, Hastelloy®, Monel®, or Inconel®, with multiple flange styles and hazardous area approvals for Zones 0–22.
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