1. Observe whether the appearance of the sensor is deformed and cracked. If this happens, contact the sensor manufacturer to replace the sensor.
2. Find the sensor connection terminal of the weighing controller (weigher) and measure the sensor connection circuit.
Typically, the excitation voltage (between EXC+ and EXC-) is 5-10V. When the device is unloaded, the voltage (between SIG+ and SIG-) is close to 0, which is below the upper output limit of the sensor. (Upper output of the sensor = excitation voltage x sensor sensitivity, most heavy sorter sensors have a sensitivity of 2mV/M). If the sensor exceeds this size, contact your service provider and request a replacement.
3. Measure the resistance of the sensor, and judge the quality of the sensor through the resistance.
1): Input resistance R output resistance > bridge resistance.
2) :- In general, the bridge resistance is.
Note: The input resistor is between EXC+ and EXC-, the output resistor is between SIG+ and SIG-, and the bridge resistor is between EXC+ and SIG+, and between EXC+ and SIG-
Please pay attention to the quality of the load cell in the weighing equipment, the load cell will not be so easily damaged in normal use. Due to improper load cell overload.
When using, disassembling and maintaining the scale, try to avoid impact and collision on the scale, and operate in strict accordance with the weighing scale of the instrument.
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