GW Instek PEL-300 - Manual (Page 24)

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q When MEMORY indicates “01” and A indicates “CL03”, key in the current reading (no less than 6 digits
including decimal) of the DMM (in unit of “A”) and press
↵ .
r When MEMORY indicates “02”, key in the current reading (no less than 5 digits including decimal) of the
DMM (in unit of “A”) and press
↵ .
s When MEMORY indicates “03”, key in the current reading (no less than 5 digits including decimal) of the
DMM (in unit of “A”) and press
↵ .
t When MEMORY indicates “04”, key in the current reading (no less than 5 digits including decimal) of the
DMM (in unit of “A”) and press
↵ .
Note: Applied instruments -- POWER SUPPLY (18V, 20A); DMM (5 1/2 digits)
Applied situation --The C.R. MODE in 10
Ω range is not reliable.
4-4 Calibrating the OFFSET of C.R. MODE
n Set voltage of POWER SUPPLY to 3V and current of it to 0.5A
o Connect the output terminal of POWER SUPPLY to a DMM in 2A range in series. Then hook up the DMM
with the input terminal of the electronic load.
p Test the input terminal of the load by the 20V range of a DMM. Adjust the POWER SUPPLY until the
DMM display reads 3.00V.
q Set C.R. MODE to 10Ω (nselect C.R. MODE; o press V.I.R. SET; p key in “1”, “0”; q press ↵ ) first,
then set the load to LOAD ON status.
r adjust the POWER SUPPLY until the DMM display reads 0.300A.
Note: Applied instruments -- POWER SUPPLY (60V, 6A); DMM (5 1/2 digits)