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9 calibrating the d/a in 0.6a range of w set – GW Instek PEL-300 User Manual

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4-8 Calibrating the D/A, A/D in 0.6A range of C.C. MODE

n Set voltage of POWER SUPPLY to 60V and current of it to 0.8A.
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, 0, 7, and

↵ .

q Adjust the POWER SUPPLY until t he DMM display reads 60.00V.
r When MEMORY indicates “01” and A indicates “CL07”, key in the current reading (no less than 6 digits

including decimal) of the DMM (in unit of “A”) and press

↵ .

s 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

↵ .

Note: Applied instruments -- POWER SUPPLY (60V, 6A); DMM (5 1/2 digits)

Applied situation --The readings of C.C. MODE in 0.6A range are not reliable.

4-9 Calibrating the D/A in 0.6A range of W SET

n Set voltage of POWER SUPPLY to 60V and current of it to 0.8A.
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, 0, 8, and

↵ .