About

910 Series RTD Assembly 4-20 mA, Downscale Burnout, 1/2 NPT Process Conn, Explosion Proof Stainless Steel Cast Head with 1/2 NPT Conduit, 2.5 Stem 1/4 Diameter

Featured Specifications

Accuracy

±0.12% (±0.3 ºC) at 0 ºC, Class B

Operating Temperature [Min]

-50 ºF

Operating Temperature [Max]

400 ºF

Electrical Connection

Connection Head w/ 1/2" NPT Conduit

Stem Diameter

0.25 in

Stem Lengths

2.5 in

Product Specifications

Type
Probe with Connection Head
Series
910
Process Connection
1/2" NPT Male
Wetted Materials
316 Stainless Steel
Lead Wires
Stranded 22 AWG standard, Polyvinyl Chloride (PVC) or Polytetrafluoroethylene (PTFE) Insulation
Temperature Range [Min] ºF
-50 ºF
Temperature Range [Max] ºF
400 ºF
Accuracy
±0.12% (±0.3 ºC) at 0 ºC, Class B
Element Types
PT100 Ω at 0 ºC
Circuit Types
Single, 3-Wire
Electrical Connection
Connection Head w/ 1/2" NPT Conduit
Electrical Connection Materials
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)
Standard Finish [Max]
32 micro-inches maximum
Pressure Ratings for Tube
500 psi
Resistance Temperature Device (RTD) Element
PT100 Ω at 32 ºF (0 ºC), α=0.00385 International Electrotechnical Commission (IEC 751)
Self-Heating
50 mW / ºC Typical in Moving Water
Insulation Resistance
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
Sheath to Wire Transition Maximum Temperature 266 ºF (130 ºC)
Optional Transmitter/Output
4 to 20 mA, 2-Wire, Downscale Burnout
Environmental Protection
A1/A2:National Electrical Manufacturers Association (NEMA) 4
P1 & S1/S2:National Electrical Manufacturers Association (NEMA) 4X
Warranty
3 yr
Stem Diameters
0.25 in
Stem Lengths
2.5 in
Related Items
  • 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

Additional Information

Additional Information
  • 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
  • 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
  • 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
NOSHOK's Probe Type Industrial RTD is available with a variety of fitting sizes and probe diameters.
Thermowells
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.
Note
Thermowells are recommended for pressure, corrosive fluids and high velocity applications.

Applications

Application
  • Industrial boilers
  • Petrochemical
  • Exhaust gas monitoring
  • Food processing

Limitations Which Apply Are

Limitations Which Apply Are
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.

Prop 65 Warnings

Prop 65 Warnings
⚠️ 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