Siemens 7ML1301-1, Instruction Manual, Page: 35 / 99

7ML19985KA02 SITRANS LG200 – INSTRUCTION MANUAL Page 31
Inst
allat
ion
Twin Rod Probe (Flexible for liquids)
1.Make sure the process connection is
at least 2" NPT or a flanged mounting.
2.Make sure that there is at least 25 mm
(1") spacing between the active probe
rod and any part of the tank (walls, still-
well, pipes, support beams, mixer
blades, etc.). Minimum stillwell
diameter for Twin Rod probe is 76 mm
(3").
3.Carefully place the probe into the
vessel. Align the gasket on flanged
installations.
4.Align the probe process connection
with the threaded or flanged mounting
on the vessel.
5.For threaded connections, tighten the
hex nut of the probe process
connection. For flanged connections,
tighten flange bolts.
6.Probe can be shortened in the field:
a. Raise the weight to expose the two securing devices.
b. Loosen the two #10-32 set screws on both securing devices using a 3/32”
(2.5 mm) hex wrench and slide the securing devices off of the probe.
c. Slide the TFE weight off of the probe.
d. Cut and remove the required cable length.
e. Remove 89 mm (3½”) of the rib between the two cables.
f.
Strip 16 mm (5/8”) of coating from the two cables.
g. Slide the TFE weight back on to the probe.
h. Reattach securing device and tighten screws.
i.
Enter new probe length (inches or cm) in length parameter after transmitter is
connected.
Single Rigid 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.
TFE weight
13 mm (0.5") dia
securing
device
required
cable length
316L Stainless Steel
set screws