Emerson Rosemount 248 Reference Manual page 20

Section 2: Installation
March 2014
Rail mount transmitter with integral mount sensor
The least complicated assembly uses:
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Refer to the Metric Product Data Sheet (Document No. 00813-0101-2654) for complete sensor
and mounting accessory information.
To complete the assembly:
1.
2.
3.
4.
5.
6.
7.
12
an integral mount sensor with terminal block
an integral DIN style connection head
a standard extension
a threaded thermowell
Attach the transmitter to a suitable rail or panel.
Attach the thermowell to the pipe or process container wall. Install and tighten the
thermowell before applying pressure.
Attach the sensor to the connection head and mount the entire assembly to the
thermowell.
Attach sufficient lengths of sensor lead wire to the sensor terminal block.
Attach and tighten the connection head cover. Enclosure covers must be fully engaged
to meet explosion-proof requirements.
Run sensor lead wires from the sensor assembly to the transmitter.
Attach the sensor and power leads to the transmitter. Avoid contact with leads and
terminals.
Figure 2-3. Typical Rail Mount Transmitter Mounting Configuration using integral
Mount Sensor and Assembly
A
B
A. Rail mount transmitter
B. Sensor leads with cable gland
C. Integral mount sensor with terminal block
00809-0100-4825, Rev CB
C
D
E
F
D. Connection head
E. Standard extension
F. Threaded thermowell
Reference Manual
Installation