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Inrush, Using inrush current measurements – GW Instek GDS-3000 Series DS3-PWR Power analysis manual User Manual

Page 34

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GDS-3000 Power Analysis User Manual

34

Inrush

Using Inrush Current Measurements

Background

The GDS-3000 is able to quickly measure the in-
rush current generated when a power supply is
first turned on. The Inrush function can measure
the first and second peak.

WARNING

Ensure safe working practices are adhered to when
working with live voltages. Failure to do so could
lead to electric shock or loss of life.

Connection

Current probe: Line

Setup

1. With the power disconnected from the power

source, connect the current probe to Line wire.

2. Connect the current probe to an input channel.

3. Configure the channel with the current probe to

the following settings:

Probe

Current

Attenuation

As suitable (typically x10 )

Coupling

DC

Impedance

Matching the probe (typically
1MΩ)