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5.
Probe can be stabilized by placing into a non-metallic cup or bracket at the bottom of
the probe. A TFE bottom spacer (7ML1930-1DJ) is optional for mounting into a
metallic cup or bracket.
Note:
Do not use sealing compound to TFE tape on probe connection to transmitter as
this connection is sealed with a Viton® O-ring.
Single Rod Probe Clearance Guidelines
Distance to Probe
(nominal)
< 150 mm (6")
>150 mm (6")
> 300 mm (12")
> 450 mm (18")
TFE weight
securing
device
Cable tension should not exceed 20 lbs.
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Continuous, smooth, parallel conductive surface. Probe must not
touch tank wall
<25 mm (1") diameter pipe and beams, ladder rungs
<75 mm (3") diameter pipes and beams, concrete walls
All remaining objects
13 mm (0.5") dia hole
316L Stainless Steel
set screws
required
cable length
SITRANS LG200 – INSTRUCTION MANUAL
Acceptable Objects
Single Flexible Rod Probe
1.Make sure the process connection is
at least 2" NPT or a flanged mounting.
2.Carefully place the probe into the
vessel. Align the gasket on flanged
installations.
3.Align the probe process connection
with the threaded or flanged mounting
on the vessel.
4.For threaded connections, tighten the
hex nut of the probe process
connection. For flanged connections,
tighten flange bolts.
5.Probe can be shortened in field:
a.Raise TFE weight exposing securing
device.
b.Loosen both #10–32 set screws using
2.5 mm (0.1") hex wrench and remove
securing device.
c.Cut and remove needed cable length.
d.Reattach securing device and tighten
screws.
e.Enter new probe length (inches or cm)
in length parameter.
Probe can be attached to the tank
bottom using the 13 mm (0.50") diameter
hole provided in the TFE weight.
7ML19985KA02
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