Industrial RTDs

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900 Series Industrial RTD, Probe Type

  • General purpose RTD probe with PVC or PTFE lead wires
  • Adjustable and welded fittings are available
  • Ideal for OEM applications
  • PVC or PTFE jacketed lead wires are available
  • A variety of fitting sizes and probe diameters are available
  • RTD PT100 Ω standard, others available
  • 2, 3 or 4-wire circuit types
  • Isolation to 500 Vdc
  • Custom designs available

Note: Thermowells are recommended for pressure, corrosive fluids and high velocity applications.

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SERIES 900          
TEMPERATURE RANGES -50/400 -50 °F to 400 °F -330/1100 -330 °F to 1,100 °F    
-50/750 -50 °F to 750 °F        
ACCURACIES 1 ±0.12% (±0.3 °C) at 0 °C, Class B 3 ±0.04% (±0.1 °C) at 0 °C, Class AA    
2 ±0.06% (±0.15 °C) at 0 °C, Class A        
ELEMENT TYPES C PT100 Ω at 0 °C M PT1000 Ω at 0 °C    
CIRCUIT TYPES 1 Single, 2-wire 3 Single, 4-wire 5 Dual, 3-wire
2 Single, 3-wire 4 Dual, 2-wire 6 Dual, 4-wire
PROCESS CONNECTIONS 0 None 8 1/2" NPT Male    
1 1/8" NPT Male 48 1/2" NPT Male w/sliding compression fitting **
2 1/4" NPT Male 61 Spring loaded 1/2" NPT **, ***    
ELECTRICAL CONNECTIONS 6 1/2" NPT conduit with 36" cable 48 M12 x 1 (5-pin) *    
36 Integral cable 36" 49 3-pin RTD plug    
37 1/2" NPT conduit with 6" flying leads 50 M12 x 1 (8-pin)    
STEM LENGTHS 025 2.5" 090 9" 180 18"
040 4" 120 12" 240 24"
060 6" 150 15"    
STEM DIAMETERS 1 1/8" 3 3/8" 6 6 mm
  2 1/4" 4 1/2"    

* Single circuit types only
** Add 2" to stem length for this option. If installing with thermowells, Process Connection option 48 or 61 must be selected
*** Only available with Electrical Connection options 6 and 37

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SPECIFICATIONS
Temperature ranges -50 °F to 400 °F (-50 °C to 200 °C)
-50 °F to 750 °F (-50 °C to 400 °C)
-330 °F to 1,100 °F (-200 °C to 600 °C)
Sheath material 316 Stainless Steel
Finish (standard) 32 micro-inches maximum
Pressure rating 500 psi (34.5 bar), tube only
RTD element PT100 Ω @ 32 °F (0 °C), α=0.00385 IEC 751
Lead wires Stranded 22 AWG standard, PVC or PTFE insulation
Self-heating 50 mW / °C typical in moving water
Insulation resistance Single element probes: 100 mega Ω/min. at 500 Vdc, leads to case
Dual element probes: 100 mega Ω/min. at 100 Vdc, between element and leads to case
Transition Sheath to wire transition max. temperature 266 °F (130 °C)

Options & Accessories

Thermowells allow a temperature instrument to be removed and replaced without shutting down and draining the process, and reduce the possibility of damage to the temperature instrument.

View NOSHOK Thermowells


WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov