METREL CS 2890, Инструкция по эксплуатации

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CS 2890 Power Simulator / Calibrator Maintenance
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Figure 67: Closing the battery compartment cover
4. Screw the cover on the instrument.
Warnings!

Hazardous voltages exist inside the instrument. Disconnect all test leads,
remove the power supply cable and turn off the instrument before
removing battery compartment cover.

Use only power supply adapter/charger delivered from manufacturer or
distributor of the equipment to avoid possible fire or electric shock.

Do not use standard batteries while power supply adapter/charger is
connected, otherwise they may explode!

Do not mix batteries of different types, brands, ages, or charge levels.

When charging batteries for the first time, make sure to charge batteries for
at least 24 hours before switching on the instrument.
Notes:

Rechargeable NiMH batteries, type HR 6 (size AA), are recommended. The
charging time and the operating hours are given for batteries with a nominal
capacity of 2500 mAh.

If the instrument is not going to be used for a long period of time remove all
batteries from the battery compartment. The enclosed batteries can supply the
instrument for approx. 30 minutes.
8.2 Batteries
Instrument contains rechargeable NiMH batteries. These batteries should only be
replaced with the same type as defined on the battery placement label or in this manual.
If it is necessary to replace batteries, all six have to be replaced. Ensure that the
batteries are inserted with the correct polarity; incorrect polarity can damage the
batteries and/or the instrument.