Hanna-instruments HI 901 Manuale Utente Pagina 10

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2-4
SETUP
2.2 Safety Measures
The following safety measures must be followed:
1. Always ensure that the power-supply cable is connected to a grounded main power plug.
2. Never connect or disconnect the pump assembly with the titrator turned on.
3. Verify that the burette and the attached tubing are as described in this manual (see 9.1
Burette Maintenance section for more details).
4. Always check that the titrant bottle and the titration beaker are firmly sitting on a flat
surface.
5. Always wipe up spills and splashes immediately.
6. Avoid the following environmental working conditions:
 Severe vibrations
 Direct sunlight
Atmospheric relative humidity above 95% non-condensing
Environment temperatures below 10°C and above 40°C and a normal humidity range
 Explosion hazards
7. Have the titrator serviced only by qualified service personnel.
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