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11 Maintenance
11.1 Changing the Batteries
You can see the status of the battery by looking at the battery symbol in the top right-hand corner of the
display.
The following statuses are possible:
When the batteries are almost empty, the warning “Low Battery” is displayed. After the second warning
“Battery Empty”, the instrument switches itself off.
If the batteries are flat, you can easily replace them.
When opening the battery compartment or exchanging batteries, sparks may be generated
which can cause an explosion or fire in hazardous areas. Serious injuries are possible.
• Never open the battery cover in hazardous areas.
• Only replace the batteries outside hazardous areas.
NOTICE
• Always observe the correct polarity when replacing the batteries
• Only use batteries of the same type and with the same level of battery charge.
1. Place the filling tube in a vessel which is suitable for sample disposal.
2. Empty the measuring cell by pressing the pump lever.
3. Open the pump lock and remove the pump.
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