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If the AC voltage signal is not observed, check the installation status of the pressure transmitter; if the AC voltage signal can be observed, check the connection line of the pressure transmitter to the corresponding controller, which shows that the forklift angular velocity Accurate installation of the pressure transmitter has a great influence on the measurement result. It is necessary to adjust the air gap to an appropriate value, and then use the multimeter to test whether it is in good condition before it can be put into use. The air gap of the electromagnetic angular velocity pressure transmitter of the pressure transmitter is also an important parameter, generally 0.5 to 1.5 mm. Therefore, pressure transmitters are used on forklifts.
Application of pressure transmitter on forklift
When the pressure transmitter is used normally on the forklift, the AC voltage value increases as the gear speed increases. After confirming that the electromagnetic induction coil is good, a universal meter is also used to detect the AC voltage signal. The distance between the electromagnetic angular velocity pressure transmitter and the tooth tip of the gear has a crucial influence on the speed measurement. The peak voltage amplitude of the output signal of the pressure transmitter with small air gap is large, which is good for detection, but the manufacturing precision and assembly requirements of the tested parts will be improved, which will increase the manufacturing cost accordingly; the pressure change of the air gap is large. The manufacturing accuracy and assembly requirements of the device to be tested are low, but the peak value of the output signal peak voltage is small, which is not conducive to the detection. First, the pressure transmitter is screwed in using the wrench until the pressure transmitter section is in contact with the gear tooth tip; Secondly, the pressure transmitter is rotated half a turn to make the gap 0.5~1.5mm; finally tighten the lock nut to fix the pressure transmitter. When installing a pressure and pressure transmitter, the end face of the pressure transmitter should face the gear. After fixing, it is also necessary to measure the resistance value of the electromagnetic induction coil of the angular velocity pressure transmitter.