Axle weight gauge, axle loader manufacturer, axle weight scale - correct operating guidelines

Axle weight gauge, axle loader manufacturer, axle weight scale - correct operating guidelines

Shanghai Jiujin Weighing Apparatus Factory——

First, the axle loader is preheated in advance. The axle loader usually needs to be preheated before use, and the preloading time of the portable axle loader of each balance is often different. Generally speaking, the higher the accuracy level of the balance, the longer the warming time required, according to the balance. Preheating is required in the instruction manual, and the warm-up time can be extended if necessary (usually the lower the ambient temperature, the longer the warm-up time). In fact, many users are ready to use when using the balance, which does not guarantee the metering performance of the balance. Therefore, the preloading of the axle loader is the focus of accuracy.

Second, the axle loader environmental conditions. Environmental conditions are also an important factor affecting the metrological performance of the axle load meter. If the special temperature limit is not specified in the operating instructions of the axle loader, the balance shall work normally at a temperature of -10 ° C to 40 ° C; if a special temperature limit is specified, the balance shall be operated under the specified temperature conditions; Electronic scales also have requirements for the humidity of the environment. For example, a level I balance requires a relative humidity of no more than 80%.

Use attention to small things:

== "(1) The axle loader senses the external gravity by the load cell and transmits the converted electrical signal to the electronic circuit. Do not use excessive force when weighing, especially for small weighing scales. The items mentioned should be handled gently to avoid damage to the sensor.

== "(2) It is necessary to charge the battery regularly, usually it can be charged for about 12 hours (time can not be too long), so that the electronic scale has a stable working voltage, so as to improve the accuracy of weighing.

== "(3) Use in a dry and ventilated environment (except for waterproof scales), because long-term operation of sensors and electronic components in a humid environment will shorten the service life and bring you economic losses.

The cause of the axle load failure is to find out the faulty circuit and replace the electrical components. Master the key test points of the circuit, remember the main technical data of the power supply and the integrated block, check the error code in the relevant manual, and when other checks are invalid, you should consider replacing the main board.

== "1, the solution when the weighing is not normal:

Check if there is any foreign matter stuck or colliding around the carrier, and whether the carrier activity is free.

==》2, the solution to the drift of the weighing instrument

When the instrument drift is found, first consider whether the power supply is normal, and whether the warm-up time is as required. After zeroing, observe whether there is drift. If there is any check on whether the junction box is damp, whether the insulation resistance of the sensor meets the requirements, if there is no effect, consider replacing the main amplifier circuit.

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