1, place balance on a stable work surface to avoid vibration, wind and sunlight.

　　2, before use, adjust the level bubble to the middle position.

　　3 Preheat, electronic balance should be carried out according to the manufacturer'sinstructions.

　　4, when weighing the volatile and corrosive materials, to be put in a closed container to prevent corrosion and damage electronic balance.

　　5, electronic balances are constantly from school or from other universities on a regular basis, to ensure it is in the best condition.

　　6, if the balance fails to make a timely overhaul, not "sick".

　　7, operating balance is no overload available so as not to damage the balance.

　　8, if no electronic balance should be a temporary collection as well.