Implementing and maintaining the scale.1. to install the scale in areas where there is no vibration in the plane, for example, install it on the table, marble, etc.2. adjust the water in a given position.3. to place the chemical must be placed in the position of the center of the pan.4. do not weigh directly on the weighing plate chemicals because chemical weighing plate damaged. Want a different container, for example, chemical weighing bottles weighing substances or teacher-label. Best in metal-corrosive substance that can scale, weighing in weighing bottle filler with lid.5. prohibited chemical scale while hot. Have to wait for the cool down to room temperature first.6. do not over weight, weighing a substance's ability to scale.7. while weighing if there are six chemical cleaner must be in a hurry to drop immediately.8. maintain the cleanliness of the scale, there is always a clean and closed with cover to protect against dust into the scale.9. There must be a standard calibration of the scale always using appropriate standards for mass with the weight of the substance, for example, that want to scale. And do not use the door handle using standard mass khip pliers. In order to prevent the weight that changed from fat stick on mass standards.Errors that occur from the weighing occurs has always been consequently need to be careful to get the correct weight is based on reality.-Due to changes in humidity, because some substances can absorb moisture from the air while weighing.-The evaporation of substances, while weighing in because it is the substance that evaporates easily. Therefore, the whole system must be documented in close.-Weighing the substance while hot will cause the air around them. The hot pan and Pan Dan, drifting to weigh the substance was less than the reality.
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