What should I pay attention to when using electronic sc […]
What should I pay attention to when using electronic scales?
1. Avoid collisions during use of electronic scales
Although the anti-collision limit measures are taken in the structural design of the sensor and the electronic scale, an excessive collision will cause the sensor to be damaged before the limit measures take effect, causing its electrical parameters to change, and affect the accuracy of the electronic scale measurement. degree.
2. Choose an electronic scale with an appropriate range according to the weight of the weighing item
The accuracy of an electronic scale with a maximum weighing of 3 kg and a division value of 1 gram is 1/3000. If you use it to weigh 2 kg items, its measurement accuracy is 1/2000, if you use it to weigh 100 grams, its measurement accuracy is only 1/100.
3. The influence of ambient temperature on the accuracy of symmetry
The national standard requires that level III scales ensure accuracy within an ambient temperature of 0°C to 40°C. If the operating environment temperature exceeds this range, the weighing accuracy may be affected.
4. The influence of vibration and wind on the accuracy of symmetry
For an electronic scale with a maximum weighing of 15 kg and a division value of 5 grams, vibration and wind have little effect on the accuracy of the measurement. For an electronic scale with a maximum weighing of 200 grams and a division value of 0.1 grams, vibration and wind will cause the displayed number to jump.
5. The influence of environmental humidity and acid, alkali vapor or liquid on electronic scales
The national standard requires that the Ⅲ-level scale ensure the accuracy index when the environmental humidity is ≤90%, and it is required to avoid contact with acid, alkali vapor or fluid. For electronic scales without special treatment, >90% humidity and the attachment of acid, alkali vapor or fluid to the circuit will cause the circuit parameters to change and even destroy the circuit. For the above use environment, products with waterproof performance can be used.
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