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Low Range Current Calibration
Press or key from the Frequency display to select “A-LO". Connect a variable resistor
as load and a calibrated true RMS Ammeter on one of the output socket and press
key in order to activate the CPU to read a low range offset current and send a 100VAC output
voltage. The accurate RMS Ammeter will indicate an actual current value while the Current
display on the AC Power Source will indicate a necessary value needed to be calibrated. Adjust
the load or voltage to get the reading from the ammeter to be 1.000A. Using the current value
from the RMS Ammeter, press or key from the Current display to scroll the display
which indicates the current value, in order to set the current according to the RMS Ammeter.
After it is done, press key to save the data stored and the low range current calibration
is completed.
High Range Current Calibration
Press or key from the Frequency display to select “A-HI". Connect a variable resistor
as load and a calibrated true RMS Ammeter on one of the output socket and press
key in order to activate the CPU to read a high range offset current and send a 100VAC output
voltage. The accurate RMS Ammeter will indicate an actual current value while the Current
display on the AC Power Source will indicate a necessary value needed to be calibrated. Adjust
the load or voltage to get the reading from the ammeter to be suggestion value(500VA≦
4.50A、1KVA≦9.00A、2KVA≦18.00A). Using the current value from the RMS Ammeter, press
or key from the Current display to scroll the display which indicates the current value,
in order to set the current according to the RMS Ammeter. After it is done, press key
to save the data stored and the high range current calibration is completed.
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