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Oxford Instruments 233 - Applications; Sample for Measurement; Unit Operation; Probe Tuning

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shown in the upper left of the display. “FE” shows in the lower left of the display
for Magnetic applications and “NON-FE” shows for Eddy Current applications.
APPLICATIONS
The Eddy Current and Magnetic applications thickness ranges for measurement
are given below.
Application
Thickness Range
Display
Probe
Eddy Current
0 to 40 mil/1016 um
“NON-FE”
ECP
Magnetic
0 to 50 mil/1270 um
“FE”
SMP-1
Magnetic
0 to 120 mil/3048
“FE”
SMP-2
SAMPLE FOR MEASUREMENT
The sample must be clean and free of surface defects for proper measurement.
UNIT OPERATION
PROBE TUNING
For each probe this procedure must be performed.
1. Connect the probe to the gage and turn it on.
2. Press the key sequence “٭
” “1” “1” “1” ENTER.
3. The word “tunE” will appear on the display for about 5 seconds, and the
unit will turn off.
4. The probe is now tuned and the gage can be turned on and used.
CALIBRATIONS
Universal Calibrations
The Universal Calibration feature allows the user to make one calibration that
then can be used by an assigned number of memory locations. This feature
saves time in the calibration process, and allows statistics to be stored in
separate memory locations.
How to Store Individual and Universal Calibrations
Individual calibrations can be stored in any active memory location. Universal
Calibrations can only be stored in memory locations 1 and 51 for Eddy Current
and Magnetic applications, respectively. The individual calibration will apply only
to that memory location. Calibrations are automatically stored in the memory
location where they are performed.
1. To make and store a Universal Calibration for a Magnetic application
select memory location 1 or for an Eddy Current application, select
memory location 51. To select a memory location, refer to Memory
Management: How to Select a Memory Location. Then calibrate the gage
as described in How to Make Calibrations.
2. To make and store an individual calibration choose any location from 1 to
51 for a Magnetic application and 51 to 99 for an Eddy Current application.
Then calibrate the gage as described in How to Make Calibrations.
Oxford Instruments Contact Measurement Page 6 of 24
233 USER GUIDE
The information in this document is private and confidential and must not be copied.
Oxford Instruments plc