Hydrogen Temperature Probe S50 RTD

  •  Industrial process applications
  • Hydrogen temperature probe designed for hazardous locations
  • Process temperature measurements for oil, gas and power generation systems
  • Process control, monitoring asset protection

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Hydrogen Temperature Probe S81 RTD

  • S50 RTD Mineral Insulated Probe Assemblies with or without Lag extensions designed with NPT fittings and connections.
  • Ashcroft S50 temperature sensor assemblies provide accurate temperature measurements.
  • Each temperature sensor assembly consists of a spring loaded temperature sensor, magnesium oxide, (MgO), insulated insert, connection head and lag extension.
  • The assembly may also include an optional terminal block and/or transmitters.
  • Thermocouple assemblies are manufactured to IEC 60584-2 or ANSI MC 96.1 and RTDs assemblies are manufactured to IEC 60751.

Key features

  • Designed for ISA-ds 49 style thermowells
  • Manufactured to IEC 60751
  • Custom lag extensions
  • Available with and without transmitters
  • Mineral insulated inset
  • Intrinsically safe designs available
  • Explosion proof designs available

Specifications

  • Stem Diameter:
    • 3 mm
    • 4.5 mm
    • 1/8'
    • 3/16'
    • 1/4'
    • 6 mm
    • 8 mm
  • Stem Length:
    • Minimum: 50 mm/2 in
    • Maximum: 3 m/120 in
  • Sensor Type & Measuring Range
    • Pt 100 –200 to +600°C
    • Pt 1000 –40 to +600°C
  • Wiring Configuration
    • 2 wire single or dual
    • 3 wire
    • 4 wire
  • Accuracy Class:
    • 1/2 Class B
    • 1/3 Class B
    • Class A
    • Class B
  • Head configuration : DIN B, BUZ, Ex d, SCCI and SCCA

Application areas

  • Hydrogen applications
  • Storage tanks
  • Power generation

Contact us

  • Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Interested? Please contact Ashcroft by filling in the contact request form or request for quote form.
Ashcroft

At Ashcroft, we know safety and compliance are critical for hydrogen applications. That’s why we deliver proven pressure and temperature instruments—backed by over 170 years of expertise—that keep your systems running reliably and your people protected. From sensors and gauges to switches, diaphragm seals and temperature probes, our hydrogen-ready solutions help you avoid downtime, meet regulatory demands, and operate with confidence. With Ashcroft, you have a trusted partner who listens, supports, and delivers when it matters most.

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