21
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 10
Ω
(
n
select 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)