Clarke CDM20 Instrucciones de operaciones descargar pdf (Pagina 12)

CDM-20 Page-11

3.2 MEASURING CURRENT

1. Connect the black test lead to the COM jack and the red test lead to the A jack for a maximum of

2A current For a maximum of 20A, move the red lead to the 10A jack.

2. Set the rotary switch at desired A or A range position and connect test leads in series with the load

under measurement

The polarity of the red lead connection will be indicated along with the current value when making

DC current measurement.

3. When only the figure “1” displayed, it indicates overrange situation and the higher range has to be

selected

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Clarke CDM20 Instrucciones de operaciones Pagina 12