RTD With Bar-Stock Thermowell

RTD PT-100 Sensor

Parameter	Specification
Type	PT-100
Make	Aavad
Model	APFD
Configuration	Duplex
No. of wire in simplex	3
Total no. of wires	3 + 3
Accuracy	Class A
Temperature range	-50 to 400℃
Material of construction	SS 316
Insulation	Compacted MgO insulation
Process connection	1/2'' Bsp (m) adjustable
Protection head	Die-cast aluminum flameproof head with threaded cap & chain
Head protection class	IP-67
Head cable entry connection	1/2 " Npt
No. of cable entry	Double
Terminal block	Nickel-plated ceramic terminal block
Od	6 mm
Length below head	400 mm
Connection	1/2" Npt (M) Nipple-Union-Nipple, 150 mm in SS316
Instrument connection	1/2" Npt (F)
Process connection	M33/2
Bore (id)	8 mm
Extension length	70 mm
Thermowell od (mm)	28 mm tapering from 24 mm for a tail portion of 150mm
Well (u) insertion length below process connection (mm)	150 mm
Well material	SS316L

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RTD sensors with thermowells are designed for processes where corrosion, pressure, abrasion or shear force may threaten the life of the element. Thermowells, machined from a solid bar stock or fabricated from a pipe, shield the RTD element from external aberrations. Fabricated thermowells offer a lower cost alternative and are used in applications where high pressure is not a consideration.

Provides strong protection against corrosion, pressure, and mechanical stress
Extends the service life of RTD sensors in harsh environments
Allows sensor removal and replacement without interrupting the process
Available in solid-bar and fabricated designs for different applications
Ensures stable and accurate temperature measurement under challenging conditions