The electronic precision balance is an electronic balance with high precision in the electronic balance. It has a high-precision load cell , so its accuracy and sensitivity have been improved. It is widely used in quantitative analysis of laboratories, research institutes and other places. We all know that electronic precision balances use the principle of electromagnetic force balance to achieve weighing. Although the measurement accuracy and sensitivity exceed the traditional mechanical precision balance, because this balance is susceptible to external temperature and electromagnetic environment, we are using it. It is time to pay attention to some details so that we can improve its weighing accuracy.
Precise notes for improving the accuracy of precision balances:
1. Full preheating before use, generally should be more than 30 minutes. The higher the accuracy of the balance, the longer the preheating time should be.
2. Before use, use the standard weight to correct the weight of the corresponding grade selected by the balance of different accuracy.
3. Keep away from heat sources and high-energy electromagnetic fields.
4. The temperature in the working room should be constant, preferably around 20 °C.
5. The relative humidity in the working room should be between 45% and 75%.
6. The time reading should be fixed after loading, such as reading with the indication value of 5 seconds after loading or reading the value when the unit is displayed.
7. Take multiple measurements and take the average value (3~5 times).
8, the room should avoid direct sunlight, choose a shady room or use shading.
9. The precision balance should be away from the source, such as railways, highways, vibration machines and other vibration machinery. When it is unavoidable, anti-seismic measures should be taken.
10. The workroom should be clean and clean to avoid the influence of airflow.
11. Adjust the level bubble to the middle position before use.
A precision electronic balance is a cost-effective weighing instrument. If it can't achieve high accuracy, its effect will not be fully realized. Therefore, we also need the cooperation of our customers and friends, pay attention to the operation items in daily work to ensure the precision and accuracy of the electronic balance !
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