1. Check if the weighing platform is stable and the foot is solid.
2. Check if the weighing platform is restrained or touched other places.
3. If there are any sundries on the scales, such as oil, water, etc. should be wiped clean; oil, water and chemicals should be avoided from penetrating into the instrument to avoid malfunction of the instrument.
4. Check whether there is electricity, the power supply can not be inserted wrong; for the instrument with the backup battery power supply, when the meter shows that the power is insufficient, it should be charged in time to avoid the battery being damaged by excessive power consumption.
5. Check if the screws and parts are loose. If it is loose, it should be fastened immediately.
6. When the scale moves, it should be lightly handled, not dragged, wrestling the scale to avoid damage to the sensor.
7. When starting up, it should be warmed up for 5 minutes to 30 minutes before use.
8. When operating, apply your finger when pressing the keyboard, and avoid using pens or other tools.
Nine. Do not touch or touch the edge of the electronic table scale by hand to avoid the sensor from being broken.
10. Test whether it is zero before use. If the power is not reset to zero, press the zero button to return to zero. If it is not zero, the scale cannot be used.
XI. Start overweight, the weight of the product is twice, the weight error should not exceed one scale, and the scale cannot be used when the error exceeds one scale.
12. The scale should be checked regularly. The verification method is as follows:
1. Return to zero: whether the boot is reset to zero, put the weight or weight once, and then pick up whether to return to zero.
2. Linearity: If a weight with a certain weight or a known accurate weight is placed, such as the weight value or its weight value, the displayed weight value error should be within plus or minus one scale. If the displayed value is incorrect, the scale should be recalibrated. .
3. Repeatability: Take a weight weight or weight for continuous weighting twice, whether the secondary weight value is the same, the error is positive and negative one scale, the allowable range, if the scale is exceeded, the scale cannot be used.
4. Four-corner weight: Take a weight test or heavy object test four-corner weight, the error is positive and negative one degree allowable range.
13. When the scale is not in use, immediately turn off the scale power supply to extend battery life.
14. Each scale should be used and maintained by a person.
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