Charging a multimeter depends on whether it has rechargeable batteries. Here's how to charge a multimeter with rechargeable batteries, according to the provided reference:
To charge a multimeter, follow these steps:
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Remove the test leads from the multimeter.
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Turn the rotary switch to the charging position. NEVER rotate the rotary switch while the battery is being charged. Make sure to select the correct charging setting; consult your multimeter's manual for the exact symbol or setting to use for charging.
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Plug the DC adapter into a power outlet.
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Insert the red (+) and black (–) banana plugs (4 mm plugs) of the DC adapter into the appropriate charging ports on the multimeter. Ensure correct polarity. The red plug goes into the positive (+) terminal, and the black plug goes into the negative (–) terminal.
It is crucial to always consult the multimeter's user manual for specific charging instructions, as procedures may vary between models.