VOLTCRAFT 1668324, Operating Instructions Manual

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b) Connect power supply (optional)
• The power supply must supply a stabilised voltage of 9 V/DC and a current of at least 300 mA.
• The DC barrel plug must have the following specifications:
- Outer diameter 5.5 mm
- Inner diameter 2.5 mm
- Polarity: Inside positive pole, outside negative pole.
• To connect the power supply, open the side cover (15). Use a small flat-
head screwdriver for this purpose, for example.
• Insert the DC barrel plug of the power supply into the “DC 9V” socket.
• Connect the mains adapter to a common household wall socket.
The socket must be nearby and easily accessible.
After completion of the measurement, disconnect the power supply from the meter and close
the cover.
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