Resistance (RTD) temperature assemblies

For standard applications as well as applications with high pressures and flow velocities or hygienic requirements

  • Temperature range: -200...+600°C / -327...+1112°F for RTD
  • From variants with DIN- and ASME-style thermowells to spring-loaded versions for surface measurement or hygienic designs
  • Flanged, threaded, plug-in, weld-in, strap-on and clamp variants

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36 products
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OPTITEMP TRA-H61

Resistance (RTD) temperature assembly for hygienic applications

  • G½ thread with VARIVENT®, DIN 11851, SMS 1145 and other hygienic adapters
  • Stainless steel thermowell with reduced tip (FDA, EC1935/2004 conform; optional IP69)
  • -50…+200°C / -58…+392°F
OPTITEMP TRA-H65

Resistance (RTD) temperature assembly for hygienic applications

  • Welded clamp connection
  • Stainless steel thermowell with reduced tip (3A certified, FDA, EC1935/2004 conform; optional IP69)
  • -50…+200°C / -58…+392°F
OPTITEMP TRA-F13

Resistance (RTD) temperature assembly for standard applications

  • Flange connection
  • DIN-style based on form 2F, welded multipart thermowell with straight tip
  • -200…+600°C / +1112°F
OPTITEMP TRA-F23

Resistance (RTD) temperature assembly for standard applications

  • Flange connection
  • DIN-style based on form 2F, welded multipart thermowell with reduced tip
  • -200…+600°C / +1112°F
OPTITEMP TRA-F42

Resistance (RTD) temperature assembly for standard applications

  • Flange connection
  • DIN-style based on form 3F, welded multipart thermowell with tapered tip
  • -200…+600°C / +1112°F
OPTITEMP TRA-G10

Resistance (RTD) temperature assembly for surface temperature measurement in industrial applications

  • Hose clamp connection
  • Spring-loaded block tip, neck tube and stainless steel sheath
  • -50…+200°C / -58…+392°F
OPTITEMP TRA-G20

Resistance (RTD) temperature assembly for surface temperature measurement on double-walled pipes or similar applications

  • Thread connection
  • Long spring-loaded straight tip, neck tube and stainless steel sheath
  • -50…+150°C / -58…+302°F
OPTITEMP TRA-H10

Resistance (RTD) temperature assembly for hygienic applications

  • Hygienic clamp or VARIVENT® connection
  • Non-replaceable measuring insert and stainless steel thermowell (FDA, EC1935/2004 conform)
  • -50…+200°C / -58…+392°F
OPTITEMP TRA-H20

Resistance (RTD) temperature assembly for hygienic applications

  • Hygienic clamp or VARIVENT® connection
  • Replaceable measuring insert and stainless steel thermowell (FDA, EC1935/2004 conform)
  • -200…+600°C / -330…+1100°F
OPTITEMP TRA-H30

Resistance (RTD) temperature assembly for hygienic applications

  • Hygienic clamp or VARIVENT® connection
  • Non-replaceable measuring insert and stainless steel sensor sheath (FDA, EC1935/2004 conform)
  • -40…+150°C / +302°F
OPTITEMP TRA-P10

Resistance (RTD) temperature assembly for standard applications

  • Compression fitting connection
  • DIN-style based on form 2, welded multipart thermowell with straight tip
  • -200…+600°C / +1112°F
OPTITEMP TRA-P14

Resistance (RTD) temperature assembly for standard applications or use in existing thermowells

  • Compression fitting connection
  • DIN-style, without thermowell
  • -200…+600°C / -327…+1112°F

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KROHNE is a leading system provider in the field of industrial process measurement instrumentation. Employing over 4,000 people worldwide, KROHNE provides complete solutions for flow, level, pressure and temperature measurement, as well as for process analysis. In addition to these measurement devices, KROHNE offers commissioning, calibration and maintenance services.
The name KROHNE stands for innovation, reliability and high-quality products.

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