GW Instek PSM-Series User Manual - Manual (Page 29)

PSM-SERIES PROGRAMMABLE POWER SUPPLY
USER MANUAL
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51
Note: The DMM selected for the measurement must have the resolution of
4 digits after the decimal point at least, and take three digits after the
decimal point to be the effective value and run off the rest.
Now, switch to SAVE by using the knob and press [ENTER] to leave the
mode with storing. Also can press [SHIFT][ .] to leave the mode without
storing.
【Step 4】
Set to [O.V.P.] by using the knob and press [ENTER] getting into Over
Voltage Protection auto-calibration procedure. Now, the output is in CV
mode (output terminal open).
Switch to SAVE by using the knob and press [ENTER] to leave the mode
with storing. Also can press [SHIFT][ .] to leave the mode without
storing.
[Step 5] Current Calibration Steps
Set to [CURRENT] by using the knob and press [ENTER] getting into
Current calibration procedure.
PSM-SERIES PROGRAMMABLE POWER SUPPLY
USER MANUAL
⎯ ⎯
52
[Step 5.1]
Firstly, proceed the calibration procedure of LO calibrated point, input
DMM measurement value, then press [ENTER].
Note: The current measurement method, please refer to 6-3. Measurement
technique. Now, the DMM selected for the measurement must have
the resolution of 3 digits after the decimal point at least.
[Step 5.2]
Next, proceed the calibration procedure of MI calibrated point, input
DMM measurement value, then press [ENTER].
[Step 5.3]
Finally, proceed the calibration procedure of HI calibrated point, input
DMM measurement value, then press [ENTER].