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Resistance Temperature Detectors

Brand: Thermo-Kinetics

Resistance Temperature Detectors (RTDs) are used for industrial temperature measurements where high accuracy and long-term stability are required. 

The 100 ohm platinum element is the most common for industrial applications. 

The 3-wire lead configuration is used for industrial temperature measurements and provides adequate compensation for leadwire resistance. 

The 4-wire arrangement fully eliminates all leadwire effects and is used in applications where high accuracy is required.
Features
  • Rugged Construction 
  • Accurate and Stable Probes
  • General Purpose, Tip Sensitive, High Temperature and High Vibration Probes and Assemblies
  • 2, 3 and 4 Wire Configurations
  • General Purpose or Spring Loaded Mounting, with or without Thermowells
  • Nipple, Nipple-Union-Nipple or Bushing Extension Hardware
  • CSA Approved Assemblies for Hazardous Locations Averaging RTDs
  • Custom Configurations
  • Head Mounted Transmitter Options

Specifications

Element Material

  • Platinum, DIN/IEC 60751

Element Resistance

  • 0, 100, 500, 1000 Ω

Tolerance

  • ± 0.12 % of resistance at 0º C(Class B) ± 0.06 % of resistance at 0º C(Class A)

Stability

  • 0.05 % of resistance/year at 0º C

Temperature Coefficient

  • .00385 Ω/Ω/oC

Temperature Range

  • -50º Cto 250º C(R1,R2) -200º Cto 500º C(R3,R5) -200º Cto 550º C(R4)

Lead Configuration

  • 2,3 or 4-Wire

Lead Material

  • Stranded copper for 260º C Stranded ni-clad copper for 500º C Solid nickel for 550º C

Lead Insulation

  • Teflon for 260° C probes Fiberglass for 500° C probes MgO for 550° C probes

Probe Material

  • 316 stainless steel

Probe Tip

  • Stainless Steel Copper alloy for tip sensitive probe

Probe Size

  • 0.25” O.D.

Vibration

  • 20 gover 10 to 1 kHz

Response Time

  • 30 sec nominal for SS tip 15 sec nominal for copper tip

Self-heating

  • 20 mW/oC for SS tip 40 mW/oC for Copper tip

Pressure Rating

  • 500 psig over temperature range

Insulation Resistance

  • 1000 MΩ at 500 Vdc
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