ENMET AM-5175 User Manual
Page 17
AM-5175
ENMET Corporation
15
5.3 Sensor Replacement
W
ARNING
:
Power must be removed from the
AM-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, be sure to have the
AM-5175
serial number
available when contacting your distributor or
ENMET
Corporation technical Support.
S
ENSOR
R
EPLACEMENT
P
ROCEDURE
:
1.
Obtain a new sensor. Make sure the sensor type is identical to your original sensor.
2.
Disconnect the instrument for power.
3.
Remove the 2 Sensor PC board retaining screws.
4.
Unplug the sensor from the PC Board. See Figure 8
5.
Plug the new sensor into the PC Board. See Figure 8
N
OTE
:
If a shorting clip is present, remove the clip before plugging in the new sensor.
6.
Replace the Sensor PC board and 2 retaining screws.
7.
Reconnect the instrument to power.
8.
Recalibrate the instrument (See Section 5.2).
Step 4. unplug sensor
Step 5.Remove clip if necessary
Plug in new sensor
Figure 8: AM-5175 Sensor Replacement
After the sensor has been installed, it is suggested to allow the sensor to stabilize for at least 3 – 4 hours, preferably over night.
5.3.1 A Factory calibration must be performed.
After entering the Maintenance menu, press and hold the
M
ENU
button for 2-4 seconds while viewing the Zero menu.
After 2-4 seconds, 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 PC Board
Retaining Screws
2 places
Sensor PC Board
Sensor
Shorting Clip
If present