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Mounting sensors on an insulated housing – Rockwell Automation 9000 Series Sensor User Manual

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Entek 9000 Series Sensor Installation Guide

Sensor Mounting

Follow the specific sensor’s guidelines for the dimensions of the hole, the type of set screw,
and the torque for attaching the sensor. The table below lists the data for the 9000 sensors.

Note: For 3/8 deep holes, make sure 1/4 inch of the stud engages the base of the sensor. If you

screw a 1/2 inch stud fully into a 3/8 inch deep hole, that leaves only 1/8 inch of stud to hold
the sensor, which is not sufficient.

The second method is to drill through the machine case or housing, and use a machine screw
to secure the sensor. Spot face the surface, then drill the hole in the machine case or bearing
housing where you want to install the sensor. Follow the sensor’s guidelines for the
dimensions of the hole, the type of machine screw, and the torque for attaching the sensor.

Mounting sensors on an insulated housing

In some cases, the sensor is mounted on an insulated housing that cannot or should not be
grounded. For this type of installation, we recommend that you use a sensor with a ground-
isolated case. Many of the 9000 Series sensors have ground-isolated cases. Note that the
9700 does not have isolated case. The 9700B and 9150HT are base isolated, not case
isolated. Contact Rockwell Automation Integration Condition Monitoring Technical
Support for more information on the Entek sensors.

Sensor

Screw Type

Hole Depth

Torque

9100 Series

1/4-28 stud

3/8 inch

26 inch-pounds

9200 Series

1/4-28 captive screw

3/8 inch

30 inch-pounds

9300 Series

1/4-28 stud

3/8 inch

26 inch-pounds

9400 Series

1/4-28 captive screw

3/8 inch

30 inch-pounds

9500 Series

1/4-28 stud

3/8 inch

26 inch-pounds

9600 Series

3/8-16 stud

1/2 inch

60 inch-pounds

9700A

5-40 stud

3/8 inch

12 inch-pounds

9700B

10-32 stud

3/8 inch

20 inch-pound