Tester of simulating weighing sensor weighing precision
A technology of weighing sensor and weighing accuracy, applied in the direction of weighing equipment testing/calibration, etc., can solve the problems of prolonged operation time, inconvenient operation, affecting the fairness of trade measurement, etc., and achieve the effect of improving adaptability
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[0021] Depend on Figure 1-2 It can be seen from the illustrated embodiment that the output voltage adjustment circuit is included, and the output voltage adjustment circuit is divided into a voltage fine adjustment circuit and a voltage coarse adjustment circuit. The structure of the circuit is the same as that of the voltage coarse adjustment circuit: the resistance box and the potentiometer are connected in parallel; the resistance value ratio of each resistance box in the voltage fine adjustment circuit and the voltage coarse adjustment circuit is 1:5~20; the center tap of the two potentiometers is Voltage signal output terminal.
[0022] The resistance ratio of the resistance box SA2 in the voltage fine adjustment circuit and the resistance box SA1 in the voltage coarse adjustment circuit is 1:10; the nominal resistance of the potentiometer R21 in the voltage fine adjustment circuit and the potentiometer R11 in the voltage coarse adjustment circuit are the same .
[002...
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