ENMET SE-5175 - Manual (Page 16)

SE-5175 ENMET Corporation
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5.4 Sensor Replacement
W ARNING : Power must be removed from the SE-5175 before this or any internal procedure. Failure to do so may cause
damage to equipment, bodily injury or death.
Sensors should be replaced when they can no longer be calibrated. Replacement sensor part numbers are listed in Section 6.0
of this manual. If you do not know the proper part number for your sensor, have the
SE-5175 serial number available when
contacting your Distributor or ENMET Corporation Technical Support.
1. Remove, the set screw from SE-5175 sensor head, and remove sensor cap. See Figure 8
N OTE : Set screw must be loosened before attempting to rotate or remove the sensor housing cap.
Hex Key size is 0.050 inch (1.27mm).
2. Remove, the sensor assembly, see Figure 8.
Sensor assembly is made up of the sensor attached to the sensor PCB with spring loaded contact pins.
3. Insert, the new sensor assembly.
4. Replace, sensor cap and replace the set screw.
5. Re-supply power to the SE-5175
Figure 8: SE-5175 Sensor Replacement
After the new sensor assembly has been installed, it is suggested to allow the sensor to stabilize for 3 – 4 hours.
A Factory calibration must be performed.
When entering the Maintenance menu EXIT will be displayed. Press and hold the M ENU button for 2-4 seconds. Press the
M ENU switch to change display to Zero or Span.
An F will appear on the far right hand side of the display. The F indicates that the instrument is in Factory mode.
Perform the calibration Zero and Span procedures as outlined in Section 5.2. Be sure that the F is present when selecting the
Zero and Span functions.
The Factory calibration sets a calibration window for future standard instrument calibrations.
Sensor Assembly