The function of the weighing sensor manufacturer's detection circuit is to convert the resistance change of the resistance strain gauge into voltage output. Because wheatstone bridge has many advantages, such as the influence of temperature change can be suppressed, lateral force interference can be suppressed, it can be more convenient to solve the compensation problem of weighing sensor, etc., so Wheatstone bridge has been widely used in weighing sensor.

Weighing sensor manufacturers because the full-bridge isometric bridge has the highest sensitivity, the parameters of each arm are consistent, the influence of all kinds of interference is easy to offset each other, so the weighing sensor adopts the full-bridge isometric bridge.