Dynamometer fault repair method, many users of the dynamometer in the process of using the dynamometer will inevitably encounter some minor faults, but can not find the root cause of the dynamometer failure, but also find To repair dynamometers. Today, Heng Gang's dynamometer Xiaobian has summarized the data of a dynamometer fault repair method for the majority of users.
A. Maintenance dynamometer, method one:
1, first check your dynamometer sensor's connection cable is connected, is there a sensor signal line
2, short circuit or open circuit, as well as welding whether there is a phenomenon of welding.
B. Maintenance dynamometer, method two:
1, then check whether your instrument is fully charged, if it is not enough charge, it is also easy to cause, can not normally use the boot, the value is not stable, on-line beat. When using logic pens and oscilloscopes to detect signals, be careful not to make the probe contact two at the same time
2. Measure the pin, because the essence of this situation is to form a short circuit under power.
C. Maintenance dynamometer, method three:
1. When using the multimeter's ohmic block, remember not to measure with electricity. When detecting the filter capacitance in the dynamometer power supply, the electrolytic power should be first
2. The positive and negative electrodes of the container should be short-circuited, and do not use the lead line instead of the lead to discharge the capacitor, because it is easy to blow the core wire. A 220-volt, 50-watt light bulb with a cap lead can be taken and connected at both ends of the capacitor. At the moment of discharge, the bulb will flash.
D. Maintenance dynamometer, method four:
1. When measuring the parameters of each point, you can use ordinary hand-sewing needles to weld the pen on the multimeter so that the points can be directly measured by piercing the paint layer without peeling off the paint layer in a large area. This will cause oxidation of the copper foil.
E. Maintenance dynamometer, method five:
1. It is necessary for the circuit board's circuit multimeter to measure whether each point is smooth when the maintenance of the wet environment is faulty.
2. Because the main fault in this case is the corrosion of copper foil. For circuit boards that are corrosive, we can use 95% industrial alcohol to clean and wipe, so as not to cause corrosion of the larger mask.
3. When the internal circuit of the dynamometer is tested, if the contacts and circuit board of the mounting component are coated with insulating varnish
Dynamometer pictures
Dynamometer pictures
Dynamometer pictures
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