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Installation Instructions
WARNING: Do not disassemble probe when in service and under
pressure.
High Level or Overfill Applications:
• The Model 7ML1301-2, 7ML1301-4 or 7ML1301-6 overfill probes should be used for
Shutdown/Overfill applications.
• All other Guided Wave Radar probes should be installed so the maximum overfill
level is a minimum of 150 mm (6") below the process connection. A nozzle can raise
the probe to the appropriate level. Consult factory to ensure proper installation.
Recommended equipment and tools
•
Open-end wrenches or adjustable wrench to fit the process connection size and
type. Coaxial probe 1½" (38 mm), twin rod probe 1-7/8" (47 mm), transmitter 1½"
(38 mm). A torque wrench is preferred.
•
Flat-blade screwdriver
•
Digital multimeter or digital volt/ammeter
•
24 V DC power supply, 23 mA
General installation instructions
CAUTION: Do not place insulating material around any part of the SITRANS
LG200 transmitter including the probe flange as this may cause excessive
heat buildup.
Before installation, ensure that:
•
Probe Type, Process Connection Type and Length are known (examine nameplate
Probe specifications
and
•
Probe has adequate room for installation and has unobstructed entry to the bottom
of the vessel. The Model 7ML1301-2 (High Temp./High Pressure) probe, Model
7ML1301-3 (High Pressure) probe, Model 7ML1301-4 (Overfill) probe, Model
7ML1301-5 (Steam) probe and Model 7ML1301-6 (Interface) probe require added
clearance.
•
Process temperature, pressure, dielectric, and viscosity are within the probe
specifications for the installation.
•
Handle Model 7ML1301-2 (High Temperature/High Pressure) probes with extra care.
Note:
Do not use sealing compound or TFE tape on probe connection to transmitter as
this connection is sealed with a Viton® O-ring.
7ML19985KA02
on page 10 for information needed)
SITRANS LG200 – INSTRUCTION MANUAL
Page 29
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