AMETEK ReFlex - Manual (Page 133)

AC Power Supplies ReFlex Power™
4-48 M380056-01 Rev K
4.6.5 C
AL
P
OT
C
ALIBRATION
V
OLTAGE
R
ANGE
H
IGH
This procedure calibrates cal-pot for the voltage range high. This calibration is
done with the AC current meter connected to the output lead of the AC power
supply.
1. Connect the AC current meter to the output lead of the power supply. Ensure that
no load is connected to the output.
2. Issue clear and reset commands:
*CLS
*RST
3. Set the voltage range of the power supply to high
SOUR:VOLT:RANGE 1
4. Start the internal calibration of the offset pot
CAL:CALPOTS:OFFSET:CALC
5. Start the calibration of the gain pot
CAL:CALPOTS:GAIN:START
6. Set the load box to approximately 3.25 Amps. Wait for the current to stabilize
then make the AC current measurement using the meter connected to the power
supplies output lead.
CAL:CALPOTS:GAIN:CURR
7. Finish the gain pot calibration
CAL:CALPOTS:GAIN:CALC
8. Send the system error query command to make sure calibration was successful.
SYST:ERR?
9. If there is no error returned at the system error query command then save the
calibration result with the following commands
CAL:UNLOCK “6867”
CAL:STORE
CAL:LOCK
10. Optional Commands:
To query the offset pot set value: CAL:CALPOTS:OFFSET?