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Medium Duty Temperature Probe (MD, MDS, MDF)

The MD series temperature probe is a general purpose temperature probe supplied with a thermowell / pocket and a temperature sensor insert. This configuration allows the sensor be removed or replaced without interrupting the process itself.

Available with either PT100 or thermocouple sensors, and with a range of process connection options (flange or screwed).

The MD is supplied in two parts: the thermowell/pocket and a removable spring loaded insert.

Product Features

  • Supplied as two pieces. Thermowell and Spring loaded insert
  • Sheath material in Grade 316L, 304, 321, 310 stainless steel. Inconel and Nicrobel also available.
  • Available in sheath diameters of 4.5mm to 1/2" NB (21.7mm OD) with inserts to suit.
  • Available with wetted parts Teflon coated
  • Insert with either 
    • PT100 RTD (Class B, A, AA as IEC 60751:2008, also 1/10 DIN)
    • Thermocouple formats as IEC 60584-1:2013.
  • Plain stem pocket/thermowell as standard or with welded mounting arrangements: Screwed (MDS) of Flanged (MDF)
  • Complete with a standard ceramic connection block (up to 8 pole) or a temperature transmitter providing a 4 to 20mA output signal.
  • Die-cast aluminium connection heads as standard, M20 cable entry and IP65 rating
  • Can also be supplied with a grade 316 stainless steel connection head.
  • Various other heads available, including stainless steel.


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