Doric Instruments 1000 Pro Series Digital Panel meters are suitable - Manual (Page 28)

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1000-XCTV High AC Current
Equipment Required:
1. Precision AC current source with a resolution of 0.1ma AC
and an accuracy of 0.1%.
2. Interconnecting copper wire from the AC voltage source to the
indicator.
3. Trimmer adjusting tool.
STEP 1. Disconnect power from the unit and remove the front
panel lens. Carefully remove the electronics from the housing by
lifting the display above and over the latch located at the bottom
front of the housing and slide the assembly out of the case.
STEP 2. Make note of the jumper settings on JP501. Carefully
remove them and replace jumpers on position 3 and position 10.
STEP 3. Connect the AC current source to terminals 5 and 6
located on the rear of the unit. Reconnect power and turn the unit
on. Allow for a 5-minute warm-up.
STEP 4. Input 0.0 amp from the AC current source and adjust
the ZERO pot for a display reading of 0 counts ±1 count.
STEP 5. Input 1 amp @ 60 Hz from the AC current source and
adjust the SPAN pot for a display reading of 1000 counts ±1 count.
STEP 6. Remove the jumper on positions 3 and 10 and replace
all of the jumpers to their original settings.