GB
4
General safety information
The operator must read the operating instructions before starting the flow meter and follow these instructions
during operation.
1. Note the temperature and pressure limits. The pressure surges produced when closing shutoff valves
(valves, slides, etc.) must not exceed the maximum operating pressure.
2. Disconnect the mains power supply and batteries before assembling and dismantling the various modules
and the data line.
3. Ensure that all connections and fittings are tight and free from tension.
4. Only alkaline-manganese batteries may be used.
5. Repairs may only be carried out by the manufacturer.
The national accident prevention regulations must be observed without fail!
When metering flammable liquids according to Directive 67/548/EEC the following must be additionally
observed:
1. Only use explosion proof flow meter modules.
2. Before operation, ensure equipotential bonding of the delivery system.
3. Use conductive hoses or pipes.
4. Only use explosion proof relay modules.
5. In explosion hazard areas only use explosion proof plugs.
6. Electrostatic danger due to friction - to be wiped with wet cloth only. Do not use solvents for cleaning.
7. Change of battery only outside of hazardous location with appropriate tools. Only use approved battery
types.
The national explosion protection regulations must be observed without fail.
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