Who needs to change the electric meters and why do it

Any owner of the apartment at least once faced with this problem: who needs to change the electric meters and, in General, - what to do if the meter is broken? Let's try in this article to provide answers to the most urgent questions.

The Replacement of electric meters may occur for different reasons. In fact, the meter is the device used for the calculation of the consumed energy. This means that he must have passed the state metrological certification. If the lifespan of your appliance came to an end, make sure its accuracy class 2.5. If so, you'll have to buy a new meter, as is now allowed only those devices accuracy class which is not below 2.0. But still you can find who needs to change the meters, even if you buy a new device. For example, "mercury" — the meter, is quite popular among urban residents.

In addition to those devices, accuracy class which 2.5, replaced the device with expired calibration, meters with broken seals or technically faulty instances.

You Need to figure out how to connect the meter, especially if it goes wrong. The grounds for replacing it are: the lack of rotation of the disk or uneven rotation, the problem of the counting mechanism, the violation of the integrity of the body, damage of the window on the front side of the device. The costs to replace a meter entirely borne by the owner of the property.

And yet who have to change meters? Because his replacement is fraught with danger to life, this work should be done by competent people with extensive experience with electrics. The replacement must be drawn from the act, which need to reflect the readings old meter and initial reading of the new device. You also need to ensure that the installation documentation and all requirements. Don't forget about the seal, without which the counter does not recognize the legitimate no verification. You should also remain passport device, which contains information about the initial state verification to the factory.

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So, we've dealt with those who have to change electricity meters, and now need to know exactly which counters to buy. As already mentioned, the class accuracy should be equal to 2.5. In addition, this device should be included in the state register of Metrology. Need to buy a meter with a nominal current up to 40 Amps. Otherwise, it may even fire the device. Earlier it was allowed to use and models are only designed for 10 Amps, but now, with the emergence of sophisticated technical devices, which became much more in every home, electric transports a much larger amount of current, and the measuring device must conform to this. All devices of the old model should be replaced to prevent an emergency situation. It will also help to better control the flow of electricity, to exclude the cases of theft of energy, to reduce the ratio of charges payment of electricity and boost the overall security in the entrance of a house.