Calibration
Calibrating for Readback Accuracy
80 Operating Manual for XHR Series Power Supply
Calibrating for Readback Accuracy
The factory calibrates the offset and range of the output voltage and current monitor
circuits to within 1% for the default 0-5 Vdc scales. Recalibration may be necessary
when you change SW1 switch settings to select the 0-10 Vdc scale or when you
switch back to the 0-5 Vdc scale after previously calibrating for 0-10 Vdc operation.
Make calibration adjustments using multi-turn potentiometers, accessible through
holes in the cover of the power supply. Refer to Figure 5.3 for the location of each of
the pots.
Figure 5.3 Voltage Current and Monitor Calibration Locations
WARNING
Use a non-conducting, straight-bladed screwdriver to adjust the trim pots.
TM-XROP-01XN.book Page 80 Monday, March 22, 2004 4:10 PM
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