RdF

RdF

Surface, Insertion and Immersion Temperature and Heat Flux Sensors

  • Specialise in production and development of innovative RTD's, thermocouples and heat flux sensors
  • Optimal choice for demanding aerospace, military, nuclear, OEM and industrial applications
  • Various surface mountable, immersion and thread-in sensor options available
  • Customised temperature assemblies

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RdF 22810 Series

The 22810 polyimide insulated flexible RTD Stikon® surface sensor series from RdF is designed to provide a practical method for measuring surface temperature. The standard sensing element is platinum with a resistance of 100Ω at 0°C with a TCR of 0.0038 Ω/Ω/°C nominal and an operating temperature range -200°C to +232°C. The 22810 sensor series from RdF are small, flexible and their low mass has a minimal thermal effect on the material being measured. They are ideally suited for applications where the device can be permanently mounted using adhesives or other mechanical mounting methods.

  • Polyimide insulated flexible RTD Stikon® surface temperature sensor
  • Operating temperature range -200°C to +232°C with permissible exposure to 260°C for short periods clamped
  • Standard accuracy of ±0.5Ω 0.5% of temperature. (Optional accuracy of ±0.22Ω 0.25% of temperature)
  • Time response of 200ms lag on metal surfaces
  • Platinum sensing element with a resistance of 100Ω at 0°C
  • TCR of 0.00385 Ω/Ω/°C nominal (IEC751)
  • Stability of less than 0.2°C drift per year at a rated service temperature with proper mounting
  • The bare sensor will rise less than 1°C while dissipating an I²R power of 15mw on metal surfaces
  • Stranded nickel plated copper conductors with PFA Teflon® insulated 3 or 4 conductor ribbon cable

The insulation resistance between the outer sensor insulation clamped between 2 metal plates and the common lead wire is 50MΩ minimum with 50VDC applied to a dry sensor at room temperature.

Mounting will conform to surfaces with radii down to ⅜ inch transverse to the element winding and 1½ inch longitudinal to the winding

The below table gives the temperature resistance ratio characteristics of the RdF 22810 series:

temperature resistance ratio characteristics of the RdF 22810 series

Temperature coefficient 0.00385Ω/Ω/°C nominal (IEC751) between -200°C to +232°C for the 22810 series

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