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Power Supply: Output Voltage Adjustment

FAQ No. FAQ01880

Primary Contents

Question

I measured the output voltage with a tester and it is lower than the rated voltage. Can the output voltage be adjusted?

Answer

Although there are +/- output models that cannot be adjusted, the output from most Power Supplies can be adjusted by turning the voltage output adjuster (V.ADJ).

The voltage will increase when the adjuster is turned clockwise.
The voltage will decrease when the adjuster is turned counterclockwise.

The ranges in which the voltage can be adjusted are as follows:

Voltage Adjustment Ranges (Typical Examples)

Power SuppliesVoltage adjustment range
S82J Series±10%
S82K Series
(except S82K-03012/-03024/-05024)
±10%
S82K-03012/-03024/-05024-10% to +15%