SANITARY RTDs

Standard sanitary assemblies include a proven thin film PT100 platinum RTD sensing element, packaged in an all welded 316L stainless steel probe. Configurations feature Tri-Clover® fittings and surface finishes that comply with 3A Standard Number 74-06 for food, dairy, beverage, pharmaceutical and chemical processing applications. Probe assemblies include threaded process connections and may be used with a separately purchased thermowell.


TO ORDER, CLICK ON THE LINKS TO PRODUCTS BELOW.

Configuration Termination, Terminal Block,
or Transmitter
Sanitary RTD Probe Assembly without Connection Head 1/2" NPT with leads, M-12 connection, or strain relief w/cable
Sanitary RTD Probe Assembly with Connection Head and no transmitter None, or with terminal block
Sanitary RTD Probe Assembly with Connection Head and programmable transmitter Universal or HART®
Sanitary RTD Probe Assembly with Connection Head and fixed range transmitter TT111A

Optional connection heads are available in either die cast aluminum, 316 stainless steel, or FDA approved polypropylene. The head can be supplied with a terminal block or with a transmitter with a standard 4 to 20 mA output. Other configurations and transmitters available — consult factory.


  • High accuracy, long term stability, consistent repeatability
  • Fast response time
  • All welded construction
  • Direct installation into process piping
  • Models configured with connection heads
  • Several connection heads available, including 316SS, White Polypropylene
  • High-gloss polished finish to 2μin. available
  • Kit available for user programmable temperature range scaling of compact transmitter
  • Additional software capabilities include data readout and tools for data storage, management, and analysis
  • Sensor: Thin film Pt 100 RTD, TCR .00385, Class A +/- .06% at 0°C, Conforms to IEC 751
  • Lead Wires: Teflon insulated, 3 lead wires
  • Termination: Options available, see catalog
  • Transmitter output: 4 to 20 mA, scaled to factory configured range or user programmable
  • Transmitter Power Supply: 10 to 35Vdc
  • Probe lengths: From 1.25" to 12"
  • Probe diameters: .187" or .250"
  • Transmitter: Head Mount transmitters available

Click here to view wiring and installation instructions, as well as examples of mounting locations for various pipe sizes and configurations. Minimum recommended insertion length = 1.

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