Chapter 3 Calibration Procedures
General Calibration/Adjustment Procedure
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16
Read the DVM and change the middle current value on the display to
match the computer current (DVM reading
¸ by shunt resistance).
For example, if the computered value is 3.499 A, adjust the current to 3.499 A
using the knob and arrow keys.
Notice that you should wait for the DVM reading to stabilize for accurate
calibration.
17
Pressing the "Calibrate'' key saves the change and selects the high
current calibration point.
If the entered number is within an acceptable range, an "ENTERED" message
appears for one second. If the entered number is not correct, an "MIN VALUE"
or "MAX VALUE" message appears for one second and the display shows the
midd l e cu rren t c ali bra t i on po i n t aga in. The disp l ay no w shows th e h igh cur r e nt
calibration point
18
Read the DVM and change the high current value on the display to
match the computed current (DVM reading
¸ by shunt resistance).
For example, if the computed value is 6.899 A, adjust the current to 6.899 A
using the knob and arrow keys.
Notice that you should wait for the DVM reading to stabilize for accurate
calibration.
i mi 3.499 a
i hi 6.900 a
i hi 6.899 a
Calibrate
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