Recommended Wiring - Emerson Magtech LTM−350 Series Instruction And Operation Manual

August 2020
Transmitter B is a top mount with elbow, usually utilized
when there are temperature or head room issues. There is
also a bottom mount with elbow configuration which is not
depicted.
Transmitter C is a bottom mount transmitter with remote
electronics. This configuration is utilized in more extreme
temperatures or for accessibility. There is also top mount
with remote electronics which is not depicted.
3. Mounting the Transmitter. Align the 4/20 mA (or 0 and
100%) markings with the center of the top and bottom
process connection. Mount the transmitter along the level
gage and use a nut driver to tighten the clamps so the
sensor probe of the transmitter is held securely (will not slip
up and down). Keep the transmitter supported while the
clamps are being tightened (this can require more than one
person).
Do Not Over tighten the clamps because they will bend
and distort. (will go into fail mode).
A: Is the correct way to have clamps tightened. The clamps
do not have to meet.
B: Is incorrect because the clamp is flipped around and will
not grip the sensor probe.
C: Is incorrect because the clamp has been tightened too
much and the probe may be damaged/distorted.
Effects of high vibration can be minimized early on
by notifying the factory at time of order. The electronics
can be remote mounted and special insulators can be
installed. Please see the depiction below.
4. Remote Mount Electronics Option: Due to process
temperature, vibration
housing/electronics of the LTM transmitter can be remote
mounted as far as 25 ft. The housing/electronics are
supplied with a pipe- mount bracket that can be mounted
or accessibility the
most nearby posts or pipes with hose clamps. The drawing
below depicts a gage mounted transmitter in the top mount
remote electronics configuration.
A typical Remote Mount Electronics Option
In REMOTE MOUNT electronic options please support the
sensor probe at the elbow/condulet and then every 3 feet
(depending on length of cable). Support at every 2 feet
may be required if explosion proof conduit is utilized by the
end user

3.2 Recommended Wiring

Recommended Loop Wiring
9
Reference Manual
L231040 Rev AD