RdF Corporation
R-21 // INDUSTRIAL RTDs
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Overview of RdF Temperature Sensor Applications
The Entire RdF Product Catalog, Online, and with Printer-Friendly Versions of Each Data Sheet
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5 Year Warranty
 
Overview Performance Specs Ordering Specs  
  Performance Specifications
   
 

Features
Premium RTD Probe Assemblies with strain free wire-wound sensing elements or economical thin film sensing elements.

Operating Temperature Range
–196°C to 480°C (–320°F to 900°F)
(SS Sheath)
Maximum Leadwire exit temperature: 260°C (500°F);
For higher temps, consult factory.

Resistance (Ohms @ 0°C)
100.0 ± 0.1Ω (± 0.12Ω thin film)
200.0 ± 0.2Ω
500.0 ± 0.6Ω thin film
1000.0 ± 1.2W thin film

Temperature Coefficients
0.003924 Ω/Ω/°C (RdF Reference)
0.003850 Ω/Ω/°C (IEC/DIN grade)

Accuracy
0.25°C @ 0°C (32°F)
0.3°C @ 0°C (32°F) on IEC/DIN thin film

Stability
Less than 0.05°C shift per year
full span on wire elements,
–50°C to 300°C (–60°F to 575°F)
span on thin films

Time Constant without Thermowell
Less than 6 sec. in water flowing at 3 ft. per sec.

Vibration
Sinusoidal 20Hz to 2kHz
Wire Element:
25g Standard Construction
50g Heavy Duty Construction
Thin Film:
80g Standard Construction

Self-Heating
35 mW/°F in water @ 3 ft/sec.

Insulation Resistance
500 Megohms minimum @ 100VDC
@ 25°C (77°F)

Recommended Current
1mA maximum

Pressure Rating
3000 PSI

Lead Materials
22 AWG nickel-plated stranded copper,
TFE Teflon® insulated

Teflon® is a registered trademark
of the DuPont Corporation.

   
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SCHEMATIC DIAGRAM 
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products proudly manufactured in the USA Specialists in Temperature Measurement
 
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