Amprobe ACF3000-AK AC Current Probe - Manual (Page 12)

Maintainance
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4.3 OPERATION
Select the AC VOLTS range on the DMM (or other device).
To activate unit, move switch from the “off” position to the required
measuring range. If the value of current being measured is unknown, first
select the 3000A range and then reduce accordingly.
4.4 BATTERY STATUS
Battery status is indicated by an LED on the front of the probe. This LED
will flash one time when the unit is activated. The length of time the LED is
lit will increase as battery life decreases. Momentary lighting of LED
indicates batteries are good. Continuous lighting of LED indicates low
battery, replace batteries soon. No lighting of LED indicates batteries are
dead, replace immediately.
5 MAINTENANCE
Do not use the Amprobe ACF3000 AK if damaged.
Always inspect the electronics unit, connecting cable, and flexible
measuring head for damage before use.
To avoid electric shock, keep the Amprobe ACF3000 AK clean and free of
surface contamination. Use Isopropyl Alcohol to clean the electronics unit
and measuring head.
Make sure the flexible measuring head, connecting cable, and electronics
enclosure are dry before further use.