RdF Corporation
SP-002 // General Capabilities
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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
Informative Articles with RdF Temperature Sensor Application Information
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All about RdF Corporation; History, Reps & Distributors, Location
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Overview Cryogenic RTD Sensors Platinum Surface Sensors
Thermocouple Probes Aircraft Sensors Special Applications Thermal Sensors
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Cryogenic RTD Sensors
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_ Cryogenic Hollow Annulus
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A. 1/8" Diameter LN2 RTD
B. Hollow Annulus Exposed LH2 RTD
C. Hollow Annulus LH2 RTD
D. Cryogenic Hollow Annulus RTD
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RdF’s exclusive hollow annulus elements combine fast response with
high pressure capability and ruggedness.
_ Specifications
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Temperature Range
–268 to +260°C
(–450 to 500°F)

Material
Stainless Steel
Inconel

Element
Platinum fine wire:
0.003923 Ω/Ω/°C, required for LH2
0.00385 Ω/Ω/°C, applicable for LN2

Platinum thin film:
0.00385 Ω/Ω/°C, applicable to LN2

    

Pressure Rating
Up to 20,000 psi

Vibration
>50g
20 to 2000 Hz

Resistance @ 0°C
100, 1000, 1380, 2500Ω

Response time
<0.5 sec.
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_ products proudly manufactured in the USA _ Specialists in Temperature Measurement
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