NOSHOK, INC.
NOSHOK, INC.
1010 W. Bagley Road
Berea, OH 44017
Phone: 440.243.0888
Fax: 440.243.3472
Website: www.noshok.com
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  • Standard head-type RTD assembly
  • A variety of head types are available
  • Factory Mutual and Canadian Standards approved explosion proof models available
  • Transmitter available, fits standard heads
910/915 Series Industrial Resistance Temperature Device (RTD) Probes with Connection Head
Unit of Measure
Items 910/915 Series Industrial Resistance Temperature Device (RTD) Probes with Connection Head
910--50/400-1-C21D-8-23S2-025-2
910 Series Fixed RTD w/ Transmitter, -50ºF to 400ºF, Class B Accuracy, PT100, Single, 3-Wire, 4-20 mA, Downscale Burnout, 1/2" NPT Male, SS Cast, Explosion Proof Conn Head w/ 1/2" NPT Conduit, 2.5" Stem, 1/4" Stem Diameter 		910/915 Series Industrial Resistance Temperature Device (RTD) Probes with Connection Head
910--50/400-1-C21U-8-23A2-025-2
910 Series Fixed RTD w/ Transmitter, -50ºF to 400ºF, Class B Accuracy, PT100, Single, 3-Wire, 4-20 mA, Upscale Burnout, 1/2" NPT Male, Aluminum Cast Explosion-Proof Conn Head w/ 1/2" NPT Conduit, 2.5" Stem, 1/4" Stem Diameter 		910/915 Series Industrial Resistance Temperature Device (RTD) Probes with Connection Head
910--50/400-1-C2-8-23S2-060-4
910 Series Spring Loaded RTD, -50ºF to 400ºF, Class B Accuracy, PT100, Single, 3-Wire, 1/2" NPT Male, SS Cast, Explosion Proof Conn Head w/ 1/2" NPT Conduit, 6" Stem, 1/2" Stem Diameter 		910/915 Series Industrial Resistance Temperature Device (RTD) Probes with Connection Head
910--50/750-1-C21U-48-23A1-040-2
910 Series Fixed RTD w/ Transmitter, -50 to 750ºF, Class B Accuracy, PT100, Single, 3-Wire, 4-20 mA, Upscale Burnout, 1/2" NPT Male w/ Sliding Compression Fitting, Alum Cast Conn Head w/ 1/2" NPT Conduit, 4" Stem w/ 1/4" Dia 		910/915 Series Industrial Resistance Temperature Device (RTD) Probes with Connection Head
915--50/400-1-C5-8-23A2-025-2
915 Series Spring Loaded RTD, -50ºF to 400ºF, Class B Accuracy, PT100, Dual 3-Wire, 1/2" NPT Male, Aluminum Cast Explosion-Proof Conn Head w/ 1/2" NPT Conduit, 2.5" Stem, 1/4" Stem Diameter
Description N/A
  • Standard head-type RTD assembly
  • A variety of head types are available
  • Factory Mutual and Canadian Standards approved explosion proof models available
  • Transmitter available, fits standard heads
Type N/A Probe with Connection Head
Series N/A 910 N/A 910 N/A 910 N/A 910 N/A 915
Connection Type N/A Male National Pipe Thread (MNPT)
Wetted Materials N/A 316 Stainless Steel
Lead Wires N/A Stranded 22 AWG standard, Polyvinyl Chloride (PVC) or Polytetrafluoroethylene (PTFE) Insulation
Temperature Ranges [Min] N/A -50 ºF
Temperature Ranges [Max] N/A 400 ºF N/A 400 ºF N/A 400 ºF N/A 750 ºF N/A 400 ºF
Connection Size N/A 1/2 in
Accuracy N/A ±0.12% (±0.3 ºC) at 0 ºC, Class B
Element Types N/A PT100 Ω at 0 ºC
Circuit Types N/A Single, 3-Wire N/A Single, 3-Wire N/A Single, 3-Wire N/A Single, 3-Wire N/A Dual, 3-Wire
Electrical Connection N/A Connection Head with 1/2 " National Pipe Thread (NPT) Conduit
Electrical Connection Materials N/A Stainless Steel Cast, Explosion Proof (Factory Mutual and Canadian Standards Approved Explosion Proof Class I, Division I, Groups B, C and D; Class II, Division I, Groups E, F and G) N/A Aluminum Cast, Explosion Proof N/A Stainless Steel Cast, Explosion Proof (Factory Mutual and Canadian Standards Approved Explosion Proof Class I, Division I, Groups B, C and D; Class II, Division I, Groups E, F and G) N/A Aluminum Cast N/A Aluminum Cast, Explosion Proof
Standard Finish [Max] N/A 32 micro-inches maximum 32 µin
Pressure Ratings for Tube N/A 500 psi34.5 bar
Resistance Temperature Device (RTD) Element N/A PT100 Ω at 32 ºF (0 ºC), α=0.00385 International Electrotechnical Commission (IEC 751)
Self-Heating N/A 50 mW / ºC Typical in Moving Water
Insulation Resistance N/A Single Element Probes: 100 mega Ω/m" at 500 Vdc, Leads to Case
Dual Element Probes: 100 mega Ω/m" at 100 Vdc, Between Element and Leads to Case
Transition N/A Sheath to Wire Transition Maximum Temperature 266 ºF (130 ºC)
Optional Transmitter/Output N/A 4 to 20 mA, 2-Wire, Downscale Burnout N/A 4 to 20 mA, 2-Wire, Upscale Burnout N/A 0 to 5 Vdc, 3-Wire N/A 4 to 20 mA, 2-Wire, Upscale Burnout N/A 0 Vdc to 10 Vdc, 3-Wire
Environmental Protection N/A A1/A2:National Electrical Manufacturers Association (NEMA) 4
P1 & S1/S2:National Electrical Manufacturers Association (NEMA) 4X
Warranty N/A 3 yr
Stem Diameters N/A 1/4 in N/A 1/4 in N/A 1/2 in N/A 1/4 in N/A 1/4 in
Stem Lengths N/A 2-1/2 in N/A 2-1/2 in N/A 6 in N/A 4 in N/A 2-1/2 in
Application N/A
  • Industrial boilers
  • Petrochemical
  • Exhaust gas monitoring
  • Food processing
Prop 65 Warnings N/A
WARNING: This product can expose you to chemicals including Lead and Nickel, which are 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
Limitations Which Apply Are N/A These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
Additional Information N/A
  • Probe welded to fitting or spring loaded
  • If used in conjunction with a thermowell, probe can be replaced in some models without possibility for leakage
  • Process fitting 1/2" NPT standard, others available
  • RTD PT100 Ω standard, others available
  • 2, 3 or 4-wire circuit types
  • Isolation to 500 Vdc
Resistance Temperature Device (RTD) Connection Head N/A
  • Screw cover
  • Meet NEMA requirements for indoor or outdoor use providing protection against dust, rain, splashing and hose-directed water
  • Easy access, one-turn caps
  • Accept standard and DIN terminal blocks and transmitters
  • Provide greater volume for ease of field wiring
Resistance Temperature Device (RTD) Terminal Block N/A
  • Provided with a steatite ceramic base, brass terminal pieces, and stainless steel screws
  • Not rated for high voltage use
  • Can be used in temperature sensor or low voltage Class 2 circuits
Resistance Temperature Device (RTD) Transmitter N/A NOSHOK's Probe Type Industrial RTD is available with a variety of fitting sizes and probe diameters.
Thermowells N/A 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.
Related Items N/A 50-025-304-SS, 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
50-025-316-SS, 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
75-025-304-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
75-025-316-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
 		N/A 50-025-304-SS, 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
50-025-316-SS, 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
75-025-304-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
75-025-316-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
 		N/A 50-060-304-SS, 1/2" National Pipe Thread (NPT) Stepped Shank, 6" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
50-060-316-SS, 1/2" National Pipe Thread (NPT) Stepped Shank, 6" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
75-060-304-SS, 3/4" National Pipe Thread (NPT) Stepped Shank, 6" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
75-060-316-SS, 3/4" National Pipe Thread (NPT) Stepped Shank, 6" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
 		N/A 50-040-304-SS, 1/2" National Pipe Thread (NPT) Straight Shank, 4" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
75-040-304-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 4" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
75-040-316-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 4" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
 		N/A 50-025-304-SS, 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
50-025-316-SS, 1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
75-025-304-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
75-025-316-SS, 3/4" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
Note N/A Thermowells are recommended for pressure, corrosive fluids and high velocity applications.
Stock N/A Yes N/A Yes N/A N/A Yes N/A Yes