
INSTALLATION UM344-2
September 1995
Sensor Element
Extension Wires
1/2 NPT Nipple
(Screws into
Transmitter
Conduit Inlet)
Extension
Assembly
Sensor Probe
Sheath
Thermowell
Sensor
Probe
Probe Hex
Union
Extension
Nipple
1/2 NPT
Thread
Thermowell
Hex
RTD or
Thermocouple
Sensor
Element
Probe
Junction
See Notes
Sheath:
Stainless Steel
or Inconel
Exposed Junction
Ungrounded Junction Grounded Junction
Notes:
1. Three styles of thermocouple probe junctions are shown.
2. An RTD probe is a closed end
tube only. RTD sensors are not grounded.
X02828S0
FIGURE 4-8 Sensor Assembly
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