RdF Corporation
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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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Overview Cryogenic RTD Sensors Platinum Surface Sensors
Thermocouple Probes Aircraft Sensors Special Applications Thermal Sensors
Flexible Heaters Foil Bridge Circuits
Thermal Sensors: Calorimeters, Radiometers & Heat Shield Plugs
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  Thermal Sensors, Calorimeters, Radiometers, Heat Shield Plugs
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A & C. Radiometers
B, D & E. Heat Shield Plugs


Calorimeters, Radiometers:

RdF exclusive foil, thin thermopile

Heat sink material
OFHC Copper,
Aluminum (water cooled)

0 – 40 ± 10 mV nominal,
typical flight channel

0-60 Btu/ft2 sec

Temperature Range
–185 to 260°C
(–300 to 500°F)

Time Constant
0.02 seconds, typical


Heat Shield Plugs:

Tungsten-Rhenium Thermocouples
with RdF proprietary thin insulation
to 2200°C (4000°F)
Chromel-Alumel insulated thermocouples

A variety of phenolics and other
ablative materials


  products proudly manufactured in the USA _ Specialists in Temperature Measurement
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