One of the devices for conducting one-rate metering of active energy in single-phase circuits is the "Energomera CE 101" meter. The connection of this device, regardless of the modification, is carried out according to the same scheme. This device is used to meter electricity both in industrial production and in apartments and private houses. It is believed that this is an inexpensive and reliable device manufactured by the Energomera concern.
Content
- Description of the device
- Counter modifications
- Installation of electrical apparatus
- Connection diagram
Description of the device
The electric meter "Energomera" belongs to the class of single-tariff devices for direct connection. He is a representative of induction devices, the current sensor is a shunt.
A shunt is a device in an electrical circuit that allows current to bypass parts of the circuit. The cases of all modifications of this device are made of plastic. The main elements of the counter are:
- printed circuit board on which the measuring module is located;
- transformers or shunts that are current sensors;
- clamps for connecting to the network;
- telemetric output.
The disadvantage of this design is that this apparatus cannot be installed outdoors without additional protection.
Under the influence of the external environment and precipitation, it simply will not work. Electric meters "Energomera" have excellent indication, which greatly facilitates their operation.
Counter modifications
The devices are available in several versions. Basically, they differ only in the method of fastening. There are the following varieties:
- CE 101 R-5 - this type of housing implies mounting on a DIN rail. The device has a liquid crystal display, which prevents the influence of a magnet. The mechanical reading device has a magnetic shield and a backstop. The shunt used as a meter is resistant to electromagnetic interference. And also the device is unpretentious to climatic and mechanical influences.
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CE 101 R-5.1 - this device can be installed either on a DIN rail or in a special shield. A light indicator of operation is built into the counter. The device has the first class of accuracy and has a power consumption of 0.8 W. The temperature range at which the unit can operate is from minus 30 ° C to plus 70 ° C. - CE 101 S-6 - the device case is designed for mounting on a flat surface. The warranty period is 5 years, and the total service life is 30 years. The rest of the characteristics are the same with the previous models.
In addition, each modification has several varieties, which differ in basic current indicators.
Installation of electrical apparatus
Before connecting, you must first determine the location of the "Energomer" meter, and then securely fix the device case. It will be absolutely easy for any person to do this if the appropriate tools are present.
It is advisable to leave this work to a specialist, since he will still have to be called for registration and sealing of the device. Before installation, you should read the instructions that come with the meter.
The new device must have a factory seal, which protects access to the electrical elements of the device. Then the following actions are carried out:
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the ends of the wires are cleaned to a length of 27-30 mm; - unscrew the terminal screws and insert the wires;
- the wires are clamped first with the upper and then with the lower screw;
- after a few minutes, the screws are repeated.
After the meter is installed, it should be checked for operability. After turning on the device, the indicator light will start blinking, and the counter readings will change. If all this happens, then the device is connected correctly.
The "Energomera" meter is very popular among consumers, as it is able to work for quite a long time and show accurate data. At the same time, it has a low cost and is very easy to install.
Its only drawback is lack of two-rate indication. And also counters very often break down at low temperatures, although the instructions allow operation at minus 40 ° C.
Connection diagram
The electricity meter is connected strictly according to the manufacturer's instructions. The connection principle looks like in the following way:
The meter has clamps numbered 1, 3, 4 and 5. The phase wire is connected to terminals 1 and 3, and the zero wire to 4 and 5. In no case should this scheme be changed, since the device will not work correctly in other cases.
The energy meter "Energomera" has one drawback, which is often used by the owners of this device. When connecting the neutral wire to the first terminal, it becomes possible to unwind the readings of the device, which is an illegal action.
Yes, and you cannot connect in this way, since specialists will notice this when sealing the meter. And also in the future it will be impossible to change the wires without removing the seals.
