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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

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.