Electronic Balance What problems will occur once Sensors are damaged?
According to the sensor , the electronic balance can be divided into electromagnetic balance electronic balance , inductive electronic balance , resistance strain electronic balance , capacitive electronic balance and other types, and these types of one-thousandth balances will produce certain damage after the sensor is damaged. Performance. So what will happen to the electronic balance once the sensor is damaged? The following is a summary of the performance of the electronic balance sensor after damage:
1. Weighing is not allowed.
2. The display does not return to zero.
3. The displayed number jumps randomly, judge the +E, -E, +S, -S of the sensor.
(1) First use the resistance file to measure the resistance value between two pairs of 4 lines, and there are 6 groups in total. If it is 400-450 ohms, it is +E, -E; if it is 350 ohms, it is +S, -S; if it is 290 ohms, it is the R bridge arm.
(2) Connect the +_5V voltage to the +E and -E terminals, and the sensor applies a pressure correctly. If the output +_S increases, the red test pen is +S, otherwise -S.
The electronic balance is a kind of precision instrument, whether the balance is good or bad has a great influence on the accuracy of the weighing result, and users are expected to pay attention to it.
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