RdF Corporation
MET-CAP// RTD CAPSULES
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Overview of RdF Temperature Sensor Applications
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Overview Performance Specs Ordering Specs
_ Performance Specifications
   

Operating Temperature Range
–270°C to +260°C (–452°F to +500°F)
Continuous as mounted (300°C short term)

Sensing Element
The standard sensing element is platinum wire with a resistance of 100 ohms at 0°C with a temperature coefficient of 0.00385Ω/Ω/°C nominal (IEC751) or 0.00391Ω/Ω/°C reference grade

Accuracy
Standard (-1, -3) ± 0.50 ohms or 0.50% of temperature, whichever is greater
Optional (-2, -4) ± 0.22 ohms or 0.25% of temperature, whichever is greater

Time Response
<200 milliseconds lag on metal surfaces

Stability
The sensor will have less than 0.02°C drift per year at rated service temperature with proper mounting

   

Self-Heating
The bare sensor will rise less than 1°C while dissipating power of 25mW
(ASTM-E-644)

Insulation Resistance
The insulation resistance between outer sensor insulation clamped between two metal plates and the common lead wire is 50 megohms minimum with 50 VDC applied to a dry sensor at room temperature (ASTM-E-644)

Mounting
Will conform to 2 inch minimum diameter (see ordering data)

Body Material
Stainless steel and flexible polyimide fiber insulation

Lead Wire
#26 AWG stranded nickel-plated copper conductors, PFA Teflon® insulated 3 or 4 conductor ribbon cable

Teflon® is a registered trademark of the DuPont Corporation.

   
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products proudly manufactured in the USA _ Specialists in Temperature Measurement
 
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