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MgO Filled Tube Type RTDs

Resistance Temperature Detector is a type of temperature sensor that measures temperature by correlating the resistance of the RTD element with temperature.


Pt-100, Pt-1000.

Element Type: Thin Film Type, Wire Wounded, Ceramic, Encapsulated.
Sheath Material:

SS-304, SS-316, Inconel-600.

Wire Configuration:  2,3,4 wires.

Simplex / Duplex.

Accuracy:  Class A & Class B.

For temperature measurement in the range, -200 ºC to +850 ºC Resistance
Temperature Detector (RTD) is preferred to Thermocouple and other sensors
because of its higher accuracy, reliability, compact size and faster response.
RTDs find use in almost all industries like plastic and rubber processing, food
industries, pharmaceuticals, chemical & petrochemical plants, power plants.
It is also used in diesel engines & RTDs are available with single or double
resistance elements and in 2, 3 or 4 wire circuits. Various types of protection
sheaths for protection of the element and screw-in threaded bushes either
fixed (welded) or adjustable by screws (for non-pressure application) or by
compression fitting (for pressure application) for mounting are available.
RTD normally consists of spring loaded insert, outer protecting sheath with
mounting connections and cast aluminum terminal head.
The insert assembly consists of Pt-100 element with silver/copper connection
leads, insulated by ceramic multi bore insulating tube/beads in a brass or
stainless steel sheath with ceramic terminal block and brass terminals
attached to a spring loaded arrangement.

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