Digital display meters usually receive pulse signals. The main sensors that can be used with them are the following:< Br /> 1, proximity switch: optional if the accuracy is not high 2, meter wheel: the accuracy is higher than the proximity switch, mainly used for wires, cables, cloth, etc. 3. Rotary encoder: high precision, can be added and subtracted, mainly used to measure high-value products Other sensors such as photoelectric switches, Hall switches, etc. can be used with the meter, and you need to determine yourself before selecting the matching sensor. The actual needs, do not blindly pursue high precision.
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