What determines the service life of an electric meter in an apartment and when do you need to change metering devices?
The electric meter is designed to calculate the amount of electricity consumed. Like any measuring device, it has a certain service life, after which it may not work correctly. Today there are many models available, and each device has its own features and characteristics. The manufacturer of this product is required to indicate the service life of the electric meter in the instructions. This is necessary in order to prevent problems from occurring and to calibrate or replace the flow meter in a timely manner.
What types of counters are there?
The operating life of an electric meter, like the service life of gas, water and other types of measuring devices, depends on the type of device, correct installation and connection, as well as compliance with operating conditions.
Based on the design principle, electricity meters are divided into two groups:
- Mechanical. The operation of these devices is based on the law of electromagnetic induction. An electric current flows through a magnetized coil, resulting in a magnetic field. Under the influence of the field, a disk rotates, specially connected to the dial. The greater the flow, the higher the speed of the disk.
- Electronic. The operation of digital models is based on completely different principles. Here, current sensors send signals to an electronic converter.Next, the code is sent to the microcontroller, decrypted and transmitted as a series of numbers to the liquid crystal display. This is a more accurate and durable equipment option.
Each device has a certain service life, which is specified by the manufacturer in the technical data sheet. It is believed that during this period the device absolutely accurately calculates the amount of energy consumed - of course, if all necessary recommendations are followed during installation.
During the first inspection, which is carried out at the manufacturer, a corresponding mark is made in the technical passport. The service life is calculated from this.
Typically, in accordance with the technical data sheet of the electricity meter, this device is capable of operating for 30 years, after which it must be disposed of and replaced. In fact, this does not always work out that way. If, after the next verification, inaccuracies in measurements or other problems are discovered, the device will have to be replaced without waiting for the expiration date.
The frequency of verification depends on the accuracy of the device. Thus, meters of accuracy class 1.0 and 2.0 are checked after 15–16 years. The service life of such devices is at least 32 years.
How long will the Mercury brand meter last?
The Mercury electricity meter from the well-known manufacturer Incotex is very often found in apartments, offices, and private homes. The body of the device is minimalistic, so the device fits perfectly into any modern design. It is impossible to open the monolithic body, so the device is absolutely safe and completely protected from moisture.
The Mercury product range covers the needs of both the domestic and industrial sectors and today includes more than 120 modifications of meters: from the simplest single-phase to multifunctional devices. There are models that have a built-in PLC module, which eliminates the possibility of electricity theft, and a remote control.
The service life of the Mercury meter used in houses and apartments is 30 years, and a scheduled check must be carried out every 15 years. If the meter is stored, the verification interval is 1 year.
How long will the SEB 2a 07.212 meter last?
This device is designed to count consumed electrical energy with a frequency of 50 Hz. With its help, you can carry out metering at three tariffs, separately at night and during the day, and also depending on the power level and quality of energy consumed.
The calibration interval of the SEB 2a 07.212 meter is 10 years. The average service life before major repairs is 24 years, while the warranty period is 3 years.
Flowmeters of this class have a special interface through which communication is carried out (RS-485). Thanks to this, such devices are successfully used as part of any automated information-measuring systems.
SEB 2a 07 electricity meters have many varieties, which differ in appearance, temperature range suitable for operation of the device, accuracy class, and form of displaying readings.
Characteristics of the CO 505 meter
The SO-505 electric meter, produced by MZEP OJSC, is a single-phase, single-tariff device, the operation of which is based on the principle of magnetic induction. The meter is easy to use; in terms of operation, there are usually no problems with it. To display readings, a mechanical dial is used, from which readings are taken.
The casing of the CO 505 device is made of durable plastic, which reliably protects against shock when dropped. A locking ring is provided to prevent reverse rotation. Despite the moving parts in the device, the meter has proven itself to be a reliable device that can be purchased for little money.
The service life of the electric meter is 32 years, although the manufacturer provides a guarantee for this flow meter only for 24 months.
Features of the PUMA 103.1 counter
The operation of this meter is guaranteed in the temperature range from -40 to +55 degrees, but it is not waterproof and is intended for indoor installation only. Designed for a maximum power consumption of 11 kilowatts (current 50 amperes), which should be enough for a modern apartment.
There are two types of fastening:
- on a standard DIN rail, if it is supposed to be mounted in a panel;
- on the bracket (attached) - in the case when the fastening will be carried out to the wall.
The manufacturer guarantees the service life of the PUMA 103.1 meter for 30 years. Interverification interval is 16 years. Warranty period - 1 year.
Thus, the service life of the electric meter depends on the features of the model, correct installation and compliance with operating conditions. On average, this figure is 30 years. When choosing a device, you must carefully study its features and characteristics. It is better to give preference to products from a well-known manufacturer, for example, Taipit, Energomera, Incotex.