First, the use of the environment:
1. The instrument should be placed on a firm and stable workbench. The power supply is stable and grounded. There is no strong vibration source at the place of installation. It should not be used on higher floors.
2, the room is kept clean, no corrosive gas, no strong electromagnetic field interference, no large airflow impact. High-precision balances can be fitted with a windshield on the workbench to avoid the effects of airflow.
3, room temperature 15 ~ 30 ° C, and remain stable. The humidity does not exceed 75%, and the color changing silica gel can be placed in the windshield as a desiccant.
Second, preparations:
1. Before using the balance, adjust the level and adjust the anchor bolt so that the horizontal bubble is in the center of the ring.
2. Warm up for at least 30 minutes.
3. After the preheating is completed, calibrate the balance with a standard weight.
Third, note:
1. The sports balance is an important process to ensure the good weighing of the balance: the weight or weight equivalent to the maximum weighing value of the balance is repeatedly loaded and unloaded on the balance for about 10 times, so that the balance gradually enters the working state from the dormant state.
2. The balance should be cleaned regularly to avoid the influence of the precision of the small foreign object.
3. The balance should be periodically verified and the verification period should not exceed one year.
4. During use, do not load objects with weights above the range on the balance. Never press the weighing pan by hand. When moving and transporting the balance for long distances, remove the weighing pan and tray and do the shockproof work.
5. When weighing volatile, hygroscopic and corrosive items, place them in a closed container to avoid corrosion and damage to the balance.
6. When weighing items with higher or lower temperature, the items should be weighed when they are isothermal with the environment.
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