Ring RTD
Brand: PyromationThe ring type assembly pictured below has the RTD element embedded into a brass ring.
Various ring sizes are available to measure the surface temperature of nozzles, extruder barrels, die heads, molds, and many other applicable surfaces. 
This assembly is supplied standard using a 100 Ω platinum element with a temperature coefficient of 0.003 85 °C-1 (IEC Class B).
Specifications
Brand
Material of Construction
- Ring: Brass
 - Element: Platinum
 
Element Connection
- 2-Wire
 - 3-Wire
 
Ring Size (ID x W x L)
- 0.20" x 3/8" x 5/8"
 - 0.33" x 5/8" x 7/8"
 - 0.44" x 5/8" x 7/8"
 
Leadwire Insulationn
- Fiberglass
 - Fluoropolymer
 - Polyimide