Sensor Installation; Installation Notes - Mettler Toledo InPro 7200 Serie Instructions D'utilisation

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4

Sensor Installation

4.1

Installation Notes

Proper installation of the sensor is important for efficient and
accurate operation. For all applications and sensor configurati-
ons, mounting arrangements must be located so that:
– Sample at the sensing area is representative of the solution.
– Solution circulates actively and continuously past the sens-
– Position and orientation of the sensor does not trap air bub-
– Deposits of sediment or other foreign material do not accu-
If cable is installed in a conduit (recommended), either flexible
conduit should be used or some other provision made for remo-
val of sensor from the process.
Also lubricate all O-rings with a thin film of suitable grease.
Notes:
– There are two grooves on the thread diameter of the sensor.
– Ensure that the sensor received has the O-ring in the proper
– Ensure that future O-ring replacement is in the proper posi-
– There are two notches at the cable cap that line up with the
Not an O-ring
groove
Bore
InPro 7200 Series
52 001 408
ing area.
bles within sensing area.
mulate within the sensing area.
The groove closest to the cable is not an O-ring groove and
should remain unoccupied. The next groove, as shown in
Figure 2, is for the O-ring.
position.
tion.
Warning: Incorrect O-ring position as previously indicated
could result in process leakage, causing injury to personnel.
bore of the sensor doughnut. These notches are an aid in
positioning the sensor in a pipe or vessel.
Notch for sensor
bore orientation
Figure 2: Sensor overview
© 08/04 Mettler-Toledo GmbH, CH-8606 Greifensee
Sensor doughnut
InPro 7200 Series
Cable cap
O-ring for process seal
in flange and bushing
installations
Printed in Switzerland