Endress Hauser AG

- Model S TR66 - Explosion-Proof Pt100 Thermometer

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Safe monitoring of process temperatures in challenging applications e. g. in the Oil & Gas industry. The robust thermometer is designed for use in demanding and safety relevant applications e.g. in the Chemical, Oil & Gas and Energy industry. Harsh environments, corrosive substances and highest pressures can be handled by the use of robust protection tubes and special materials. An optional head transmitter with all common communication protocols makes the device ready to use with enhanced measurement accuracy and reliability compared to directly wired sensors.

  • Types of protection for use in hazardous locations: Intrinsic safety (Ex i.a.), flameproof (Ex d), non-sparking (Ex nA)

  • High degree of insert compatibility and design as per DIN 43772

  • Extension neck to protect the head transmitter from overheating

  • Fast response time with reduced/tapered tip form

  • High degree of flexibility thanks to modular design with standard terminal heads as per DIN EN 50446 and customer-specific immersion lengths

  • Heavy duty applications

  • Oil & Gas processing industry

  • Measuring range: -200 to +600 °C (-328 to 1112 °F)

  • Static pressure range up to 100 bar (1450 psi)

  • Protection class: IP68

  • Measuring Principle: Resistance Temperature Detector
  • Characteristic / Application: US style metric modular temperature assembly for heavy duty applications suitable for hazardous areas suitable for high process pressures threaded process connection with neck incl. thermowell / protection tube (metal)
  • Terminal head:
    • TA21H – aluminium – screw cover w. chain
    • TA21H – stainless steel – screw cover w. chain
    • TA30H – aluminium – w. or w/o. display
    • TA30H – aluminium – one or two cable entries NPT1/2', NPT3/4', M20x1.5
  • Thermowell / protection tube: bar stock (drilled)
  • Insert / probe: mineral insulated (MI), flexible
  • Outer diameter protection tube:
    • 20 mm (0,79')
    • 24 mm (0,94')
    • 25 mm (0,98')
  • Max. immersion length on request: up to 5.000,00 mm (196,85'')
  • Material protection tube/ thermowell:
    • 1.4401 (316)
    • 1.4404 (316L)
    • 1.4571 (316Ti)
    • AlloyC276
    • Alloy600
  • Optional coating: Not defined
  • Process connection:
    • male thread:
    • NPT3/4'
    • NPT1'
    • flange:
    • ASME 1' 150 RF (B16.5)
    • ASME 1' 300 RF (B16.5)
    • ASME 1' 600 RF (B16.5)
    • ASME 1,5' 150 RF (B16.5)
    • ASME 1,5' 300 RF (B16.5)
    • ASME 1,5' 600 RF (B16.5)
    • ASME 2' 300 RF (B16.5)
    • ASME 2' 600 RF (B16.5)
  • Tip shape: tapered
  • Surface roughness Ra: 1,6 μm (63,0 μin.)
  • Operating temperature range:
    • PT100 TF StrongSens:
    • -50 °C ...500 °C (58 °F ...932 °F)
    • PT100 WW:
    • -200 °C ...600 °C (-328 °F ...1.112 °F)
    • PT100 TF:
    • -50 °C ...400 °C (58 °F ...752 °F)
  • Max. process pressure (static): at 20 °C: 500 bar (7.252 psi)
  • Accuracy:
    • class A acc. to IEC 60751
    • class AA acc. to IEC 60751
  • Response time: depending on configuration
  • Integration head transmitter: yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
  • Ex - approvals:
    • ATEX II
    • IECEx
    • NEPSI
    • EAC Ex
    • Explosion proof
  • Certification:
    • Gost Metrology
    • SIL (transmitter only)

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