13 calibrating the d/a in 1k ω range of c.r. mode – GW Instek PEL-300 User Manual
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s When MEMORY indicates “03”, key in the voltage reading of TP1 (no less than 7 digits including
decimal) of the DMM (in unit of “V”) and press
↵ .
Note: Applied instruments -- POWER SUPPLY (60V, 6A); DMM (5 1/2 digits)
Applied situation -- The readings of C.R. MODE are not reliable.
4-13 Calibrating the D/A in 1k
Ω range of C.R. MODE
n Set voltage of POWER SUPPLY to 60V and current of it to 1A.
o Connect the output terminal of POWER SUPPLY to a DMM in 2A range in series. Hook up the DMM
with the input terminal of the electronic load.
p Test the input terminal of the load by the 200V range of a DMM. Press SHIFT and C.V. MODE, then key
in 3,8,1,2,and
↵. Pursue a reading of 60.00V from DMM by adjusting the POWER SUPPLY.
q When MEMORY indicates “01” and A indicates “CL12”, 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 7 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 7 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 7 digits including decimal) of the
DMM (in unit of “A”) and press
↵ .
Note: Applied instruments -- POWER SUPPLY (60V, 6A); DMM (5 1/2 digits)
Applied situation -- The readings of C.R. MODE are not reliable.