Electricity metering devices are installed at all vital facilities. Some are designed for placement in areas with maximum power loads, others are installed in residential buildings. The Cascade 11s1 electric meter is single-phase and is often installed in apartments, garages, and country houses. How to take readings from this meter, which allows you to simplify this procedure by accounting for several tariffs.
How to take readings from a three-phase cascade electricity meter
Taking readings from the Cascade electricity meter is much easier than it might seem at first. You just need to follow the instructions and not get confused in the night and day time indicators.
As you and I understand, we do not choose an electricity supplier and we have to use the services of one that is a monopolist in this area. In Moscow it is Mosenergosbyt. Honestly, we don’t have any power outages.
Local authorities in your region have the right to establish other time periods at current tariffs, but all users of multi-tariff electricity metering devices must be warned in advance about the change in time range. To calculate how much electricity was consumed over a period, usually 1 month, you need to subtract the readings for the previous period from the 4-digit readings taken.
Another model is the Cascade 1-MT counter. The device belongs to the category of single-phase multifunctional electricity metering devices.
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Has anyone managed to protest the tariff change? I personally need a daily tariff, which is what I had, they arbitrarily installed a meter for me with a double tariff and changed it. A complaint has been written to the PES and to Rospotrebnadzor, I’m waiting.
Multi-tariff electricity meters, in addition to time, date and current energy consumption, display information for each tariff zone. Zones are designated T1, T2, T3, etc. There can be from 2 to 16 such tariff zones, but in most cases there are no more than 4. To take readings from a multi-tariff meter, you need to wait for information on each tariff and write it down.
Cascade meters are among the best metering devices for consumed electricity. The use of a two-tariff meter is preferable where it is possible to pay for electricity taking into account day and night tariffs. The electricity meter is characterized by measurement accuracy. Depending on the model, indicators are displayed on a mechanical display or electronic screen.
Readings are taken in a certain order: first, data on daytime time is written out, then on night time, similar actions are performed at a larger number of tariffs. If it is not possible to compare the indicators with the previous receipt, you can view them in the counter itself by pressing the corresponding key. T2 night. They should be entered on the receipt accordingly. All numbers up to the point. T0 is the total amount that burned.
Provided that the electrical installation is in good condition and there is an electric meter with state verification seals that are no more than 12 months old for three-phase and 24 months for single-phase metering devices.
Varieties of this counter
Depending on the requirements of the management company or resource supplying organization, the information received must be submitted without changes or the difference between the current and previous values must be independently calculated.
The following varieties are distinguished:
- single tariff, the readings of which are not divided into zones;
- two-tariff – T1/T2;
- three-tariff – T1/T2/T3.
Three-tariff meter Cascade
The Cascade single-phase electricity meter provides the following information:
- Time and date.
- The amount of resource consumed according to tariffs, in total, at the beginning of the month, at the beginning of the day.
- Average power profile.
- The amount of energy received in a full hour and half an hour.
The display shows two characters before the dot and three characters after the dot. That is, the active power is displayed with an accuracy of thousandths of kW.
Operating and Maintenance Instructions
Wait for the required information to appear and record the readings. Numbers are written to the decimal point, tenths and hundredths are not taken into account. When filling out a payment receipt, you do not need to write zeros before the numbers.
Induction devices are gradually being replaced by electronic ones due to their undoubted advantages. Let's tell you what they are.
A few years ago they set it up for us... at first we submitted data for the day and night separately, we entered it separately, then we switched to automatic... very convenient... and better than listening to us all here, call or go to Petroelectrosbyt and ask what and how is going on in your home...
The information is included in the payment receipt. Once every six months, energy companies have the right to monitor the metering device, which obliges the consumer to provide access to it.
We got a replacement in mid-March. We were connected to the system only in May. I also didn’t understand anything about these running numbers, I went to the operator, she explained that I needed to take the indicators T 1 and T 2, there was no need to count them in total. The new meter is “not smart”; it does not transmit data itself. We have Cascade 11. The recalculation will be next month.
The Cascade 101-MT meter can measure active and reactive electricity at tariffs differentiated over time.
Purpose and design of the electric meter
Learning to take readings from a Cascade meter is easier than it might initially seem. To do this, you need to strictly follow the instructions and try not to get confused in the consumption data at different times of the day. This electricity meter has the following advantages:
- the ability to take readings for several periods of consumption;
- accuracy of the information provided;
- service life from 30 years;
- verification period is once every 16 years;
- providing data in a convenient form;
- reliable design;
- resistance to negative environmental influences.
The service mode is called up by pressing a button, the information is scrolled through by subsequent button presses. Exit from service mode to user mode occurs automatically after the timeout specified in the configuration has expired (1 minute by default). For the service mode, you can specify a set of output values different from the user one.
To take into account electricity consumption using such a device, you need to regularly take readings at certain intervals and calculate the payment amount, taking into account the tariffs of the day and night.
how to take readings from an electric meter cascade 11
In the figure above, the segments of the mechanical indicator that display an integer are marked in red, and tenths of kilowatt-hours are marked in blue. There are models without displaying the fractional part.
To take readings from a three-tariff meter, you need to: Press the “Enter” button on the device to alternately receive readings of tariffs T1, T2 and T3.
It is necessary to take into account the amount of electrical energy consumed to correctly pay for the resource. It is possible to obtain accurate indicators thanks to the single-phase multi-tariff meter Cascade. Due to the need to take readings and keep records at several tariffs simultaneously, using an electric meter is somewhat difficult for some users.
The Cascade meter is made in different mounting options and can give readings (if necessary) at four tariffs simultaneously:
- Total amount of kilowatts consumed.
- The number of kilowatts consumed for each tariff separately.
- The volume of kilowatts consumed at the beginning of the month in total and specifically for each tariff.
- The amount of electricity consumed at the beginning of the day.
- Power profile.
Then, at the beginning of the month, write down all the readings that are on the meter: T1, T2, T3 (if you have a three-tariff meter) and T1, T2 (if the apartment has a two-tariff meter).
In order to correctly read the meter, you need to know its type. A) APPEARANCE OF THE DISPLAY.
Description of the electric meter "Cascade-11S1"
All models of this brand are single-phase metering devices and are multifunctional. Using them you can keep track of the following indicators:
- The current date and time that is displayed on most electricity meters.
- Electricity costs on an accrual basis, regardless of the tariff.
- Energy consumed for each current tariff plan in total.
- Separate cost indicators for each tariff at the beginning of the month, or the beginning of the day.
- Power profile averaged over a half-hour interval.
- Volume of consumption for short time intervals – 30 or 60 minutes.
The device contains two tariff programs in its non-volatile memory - active and backup. If the cover and body of the device were opened, this is recorded in the event log, and such data is recorded even when the batteries are disconnected.
Additional equipment and auxiliary functions include: radio interface, optical port, load control, and optical seal. The type of housing provides the possibility of installing it only on the shield. The device provides cyclic indication:
- Amounts of electrical energy on an accrual basis, cumulatively and separately, at current tariffs.
- Time and date at the time of access to the device.
- Counter address.
In this case, the list of information displayed on the display is entered through the “Cascade-Soft” configurator program. The consumer himself simply rewrites the readings that appear on the screen.
Note! The device is easy to use due to the cyclical display of data on the display; you do not have to press any buttons to call up the data.
Advantages of new electronic metering devices
If the display does not show any information when there is power to the meter, then it may be configured to turn off after some time of inactivity to save power. You can also turn on the display by briefly pressing the function button. The display also automatically turns off at temperatures below -20 C for protection.
Due to the large assortment of electronic models, it is not possible to give a single algorithm of actions. Detailed instructions are given in the technical documentation that comes with each device. Later in the article we will describe in detail the process for the most common models, but for now we will talk about the general principle of calculations using a two-tariff system.
All electronic meters have a built-in clock, which allows you to record electricity consumption for different time zones. In two-tariff models there are two of them - T1 (day) and T2 (night), their validity periods were given in the table above. A separate count is kept for each period. At the same time, the device stores the readings of the previous reporting period in memory, which is quite convenient for calculations. The easiest way to explain the process is with an example.
Let’s say we need to take readings on October 20, for the current date they are as follows:
- For tariff T1 – 2052.95 kWh.
- T2 – 1024.16.
- Total – 3077.11.
The meter is popular due to its convenience, quality and low price. If a person has not previously used devices with separate tariffs, the user manual will help to cope with the difficulties that arise. Duration of operation of the device without additional maintenance guarantees continued functionality for the entire service life.
The answer to a frequently asked question about the position of the decimal point on the drum of the counting mechanism and the correctness of taking readings from...
Description
The three-tariff meter Cascade is designed to obtain information about consumed electricity. In addition to this device, there is a Cascade water meter of the same name, which has a completely different purpose.
The key features of the energy consumption meter are:
- A simple and convenient design that can easily be placed on any horizontal surface in a convenient place.
- A large information board on which the numbers are clearly visible.
- Powered by batteries, size AA.
The device belongs to the category of high reliability, the device can withstand powerful loads of a wide variety of nature, and provides objective data regarding the energy resource consumed. Meter models should be selected taking into account their characteristics and features.
Retrieving information and calculations for different models
Short instructions on how to take and transmit readings from zonal electricity meters. I apologize for...
F433/n — 433 MHz RF interface, where n is the modification number of the interface module (from 1 to 9) F868/n — 868 MHz RF interface, where n is the modification number of the interface module (from 1 to 9) F2400/n — RF interface 2400 MHz, where n is the modification no. interface module (from 1 to 9) PL/n - PLC modem, where n is a modification of the interface module.
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Petroelektrosbyt installed new meters in our house, day and night. Who knows how to take readings. Different numbers are constantly jumping around, you can’t understand anything. Or is the data transferred to PetroElectroSbyt automatically?
Electricity meters Cascade
The device has the following positive qualities:
- long period of work;
- high frequency of verification;
- simple and reliable design;
- impossibility of outside influence;
- high accuracy of recording indicators;
- affordable price;
- option to connect to a centralized system;
- economical self-consumption and the presence of a function for connecting an autonomous power source.
When starting to use Cascade equipment, you should carefully understand how to take readings from the meter. The procedure follows a certain order. Initially, information about daytime data is collected, after which night indicators are recorded. Even if different tariffs are charged, this data is collected without fail.
Such a system has a number of advantages. The main thing is that changes in readings are recorded daily and are always stored in memory, which makes it easy to resolve any controversial situation. You can use special programs to monitor energy consumption remotely, for example, while on vacation.
The key features of the energy consumption meter are:
- A simple and convenient design that can easily be placed on any horizontal surface in a convenient place.
- A large information board on which the numbers are clearly visible.
- Powered by batteries, size AA.
F433/n — 433 MHz RF interface, where n is the modification number of the interface module (from 1 to 9) F868/n — 868 MHz RF interface, where n is the modification number of the interface module (from 1 to 9) F2400/n — RF interface 2400 MHz, where n is the modification no. interface module (from 1 to 9) PL/n - PLC modem, where n is a modification of the interface module.
In user mode, selected information is displayed cyclically at a specified frequency (usually 5-10 s).
The information is included in the payment receipt. Once every six months, energy companies have the right to monitor the metering device, which obliges the consumer to provide access to it. In the figure above, the segments of the mechanical indicator that display an integer are marked in red, and tenths of kilowatt-hours are marked in blue. There are models without displaying the fractional part. The meter's rated current, voltage, and frequency parameters are shown below. By the rotation speed of the drum, you can visually assess the current load power.
T2 night. They should be entered on the receipt accordingly. All numbers up to the point. T0 is the total amount that burned.
This is how tariffs differentiated by daily time appeared. The daily consumption period is considered to be from seven o'clock in the morning to eleven in the evening. All other times are considered night rates.
Every consumer dreams of reducing the cost of paying receipts. There are several ways to do this: control electricity consumption by organizing rational, optimal use of electrical equipment, or deceive resource suppliers. The fraudulent method is attractive due to its simplicity, but is it really so?
One of the most popular is a strong magnet. But when deciding on such a fraud, be prepared that the imaginary savings will result in a breakdown of the device, the need to purchase a new meter, and large fines. A magnet for a Cascade counter can be purchased at any online store, but most likely, the user will encounter additional problems with the magnet. Today you can see devices with built-in memory, allowing hourly monitoring, as well as the ability to connect to a computer. All electric meters can be divided into single and three-phase with mechanical or electronic control. It is the latter that are considered more convenient, due to the automatic recording of readings.
If the LCD display of the meter fails, the information can be read via the existing interface, depending on the version, using service software.
The device releases electricity, prevents exceeding the limit, and keeps electricity records taking into account daytime and nighttime tariffs.
Cascade 11 c1 instructions on how to shoot
As you know, the load on the energy system is uneven. During the day, electricity consumption is several times higher than at night (to be precise, the peak occurs in the morning and evening). In order to motivate the population, multi-tariff systems have been introduced in many countries, including Russia, taking into account the characteristics of a particular city (settlement).
Structurally, the meters consist of a housing and a terminal block cover. The housing contains printed circuit boards, a terminal block, and measuring elements. When sealed, the terminal cover prevents access to the terminal block screws and power conductors.
The Mercury 200 series meter shows information automatically in the following order: time, date, tariffs from T1 to T4 depending on the model. Information is displayed alternately at intervals of 5-10 seconds. The interval can be set in the device settings. Single-phase multifunctional electric energy meters "CASCADE-11" (hereinafter referred to as meters) are designed for measuring active and reactive (or only active) electric energy in the forward and reverse (or only forward) directions at time-differentiated tariffs in single-phase industrial AC networks frequencies.
Counter Cascade 101-MT
There are different model ranges of electricity metering devices. Among them, the Cascade 101-MT counter is distinguished. The model belongs to the category of single-phase single-tariff devices designed for measuring active electricity in AC networks of industrial frequency. The frequency of verification of the device is sixteen years.
The Cascade device consists of a housing and a terminal block. The housing contains a measuring module and two sensors. The terminal block cover, thanks to its sealing, prevents unauthorized access to the device.
Readings of electronic electricity meters
GOST 31819.21-2012 Equipment for measuring alternating current electrical energy. Private requirements. Part 21.
The device releases electricity, prevents exceeding the limit, and keeps electricity records taking into account daytime and nighttime tariffs.
In case of errors due to incorrect installation or other reasons, in addition to the main screens, another screen with codes from 1 to 8 will also be displayed. Error codes are displayed in ascending order from left to right. Each error has its own fixed position. Multiple error codes may be displayed at the same time.
A remote information acquisition system can be configured to receive data from one or more devices. Information is transmitted via WiFi or GSM. Some models can be configured in such a way that data transmission to the energy supply company will be transmitted automatically without the participation of the owner.
The device belongs to the category of high reliability, the device can withstand powerful loads of a wide variety of nature, and provides objective data regarding the energy resource consumed. Meter models should be selected taking into account their characteristics and features.
As you can see, the difference in price between night and day rates is slightly less than twofold. Even if you only turn on the washing machine when the nightly tariff is in effect, you can save a lot.
Meters with automatic data transfer
The most common are two- and multi-tariff modifications. Readings from this meter are taken according to a scheme similar to the previous option.
The Cascade 1-MT meter is of high quality: the device body is made of durable, non-flammable material, is resistant to voltage surges, and remains in working order even after the voltage increases to four hundred watts.
For the first 5 years, the manufacturer guarantees trouble-free operation, subject to compliance with the installation, connection and operation rules.
The advantages of using the Cascade counter are obvious:
- Possibility of taking readings in several convenient ways.
- Long service life - more than thirty years.
- The inter-verification interval is sixteen years.
- Convenient and reliable design.
- Resistance to negative external influences.
The device must be connected by a representative of Energosbyt. At the time of connection, the electricity must be turned off.
In case of errors due to incorrect installation or other reasons, in addition to the main screens, another screen with codes from 1 to 8 will also be displayed. Error codes are displayed in ascending order from left to right. Each error has its own fixed position. Multiple error codes may be displayed at the same time.
When you plug in the Remote Display for the first time, it will display information like APP 5.4.04.
The display shows six characters before the dot and two characters after the dot. That is, the value is six accurate to hundredths of kWh.
The three-tariff meter Cascade is designed to obtain information about consumed electricity. In addition to this device, there is a Cascade water meter of the same name, which has a completely different purpose.
The key features of the energy consumption meter are:
- A simple and convenient design that can easily be placed on any horizontal surface in a convenient place.
- A large information board on which the numbers are clearly visible.
- Powered by batteries, size AA.
Hello neighbors. Petroelektrosbyt installed new meters in our house, day and night. Does anyone know how to take readings? Different numbers are constantly jumping around, you can’t understand anything. Or is the data transferred to PetroElectroSbyt automatically? Who knows, please tell me.
As numerous observations show, there are no complaints about the quality of operation of the Cascade device. Some difficulties are observed during installation and dismantling of devices, but this indicator does not affect the quality of the structure.
Taking readings from meters from different manufacturers
Meters that have the index “Z” in their designation have an input for connecting an external backup power source to take meter readings in the absence of the main power supply.
The device helps you save money if you do some of the “energy-consuming” work in the evening, when the tariff is lower.
A standard mechanical apparatus has a dial with 5–7 digits, and as it works, the numbers change from 0 to 9. After one department has completed a full revolution, the next one begins.
Through the PSK application it is not yet possible to transmit the readings “The meter does not belong to the subscriber” to PetroElectroSbyt they said the information will be updated only by September.
How to take electric meter readings
Immediately after installing the meter, you were given a certificate in which the initial numbers are indicated. When you come to take readings from the light meter, take a piece of paper and copy down the current readings there (without taking into account the numbers separated by a comma). You can also not rewrite the zeros that appear at the beginning - up to the first digit (see photo).
To calculate the electricity on the meter yourself, subtract the one that was there before from the number you just wrote. You get the number of kilowatts consumed over the last period.
For example, consider the readings in the photo above. Let the previous ones be 4852, the current ones 5101 (we ignore the numbers after the decimal point). We calculate the electricity consumption: 5101 - 4852 = 249 kW. To find out how much you need to pay, you need to multiply the resulting number of kilowatts (in this case 249 kW) by the tariff. Get the amount you have to pay for the light.
If the counter stands for a long time, sooner or later it will “reset to zero” - zeros will appear in the first positions. How to calculate electricity consumption in this case? Everything is very simple. This time you will have to rewrite the readings with all zeros, and put a “1” in front of the first one. For example, you asked to take readings from the meter, but only the last digits are different from zero. Or, as in the photo below, it costs only one.
Electronic electricity meters do not have a mechanical display with “jumping” numbers, but an electronic one. It can display not only numbers showing how many kilowatts were spent, but also the date, operating time of the meter, and some other data. In most electronic light meters, these data replace each other after a few seconds. If the meter is multi-zone, readings for each zone are displayed sequentially (T1, T2, T3, T4).
To take readings from an electronic electricity meter, you can wait until the necessary information appears and write it off. The second option is to press the “enter” button. You may have to click more than once until the required information appears. It can be distinguished by the icons displayed on the screen. Usually this is T1, T2, T3, T4 or the word TOTAL.
For example, in the photo below, on the screen in the upper left corner we see the T1 icon and a little further on there are larger numbers - 72.69. If you look closely, there are units of measurement behind them - kWh. This is the consumed electricity in the first zone T1 (daily tariff).
In Mikron multi-tariff electronic electricity meters, there is only one button on the case, and you need to press it to display the required readings on the screen. Only in this case, you need to wait until “checkmarks” appear on the display above the letters “T1” and “R+” (see photo). This will be the reading for the first tariff.
Now in many regions they replace old induction meters with electronic ones free of charge and most often install devices from Saivan. These are very simple devices; they do not have buttons that can be used to forcefully “scroll through” the readings. You just have to wait until the required value is displayed. That is, in this case, take readings from the electricity meter - just wait until the required value (TOTAL) is displayed and write it down on the receipt (or transfer it to the appropriate service).
To make it easier to navigate, here is the order in which the data is displayed in this electric meter:
- date of;
- time;
- meter number;
- gear ratio (1600);
- TOTAL - readings of a single-tariff meter or are displayed sequentially T1, T2, TOTAL for day/night type meters (two-tariff).
Counter display. How to take readings
The complete set of meters is shown in Table 4.
Table 4 - Completeness
Name
Designation | Quantity | |
Single-phase multifunctional electric energy meter “CASCADE-11” (one of the modifications) | — | 1 |
Manual | KSNZH.411152.002 RE | 1 |
Form | KSNZH.411152.002 FO | 1 |
Verification method (supplied upon customer request) | KSNZH.411152.002 MP | 1 |
Package | — | 1 |
is carried out according to the document KSNZH.411152.002MP “Single-phase multifunctional electric energy meters “CASCADE-11”. Verification methodology”, approved by FSUE “VNIIMS” on April 26, 2019.
Basic means of verification:
automatic single-phase installation for testing electric energy meters MTE-E1-30.00 (registration number in the Federal Information Fund No. 17750-08);
stopwatch SOSpr-2b (registration number in the Federal Information Fund No. 11519-11).
It is allowed to use similar verification tools that ensure the determination of the metrological characteristics of the meters being verified with the required accuracy.
The verification mark is applied to the hinged seal using sealing pressure. The verification mark in the form of an imprint is applied to the meter passport and/or to the verification certificate.
GOST 31818.11-2012 Equipment for measuring alternating current electrical energy. General requirements. Tests and test conditions. Part 11. Electricity meters
GOST 31819.21-2012 Equipment for measuring alternating current electrical energy. Private requirements. Part 21. Static active energy meters of accuracy classes 1 and 2
GOST 31819.23-2012 Equipment for measuring alternating current electrical energy. Private requirements. Part 23. Static reactive energy meters
KSNZH.411152.002TU Single-phase multifunctional electric energy meters “CASCADE-11”. Specifications
Remote display CIU7
The LCD screen of the CIU7 Remote Display generally looks like this:
The remote display is programmed from the Center and can display the following parameters:
- Active energy export and at tariffs (1…6) (kWh);
- Active energy import and at tariffs (1…6) (kWh);
- Reactive energy by quadrant and by tariff (kVAr*h);
- Current, instantaneous (A);
- Voltage, instantaneous (V);
Attention! Please note that the set of screens displayed on the user display is determined by the type and configuration of the meter.
When the display is turned on to the network, the display's operating program is launched, as evidenced by the initialization of all screen segments. After this, the current software version number of the type APP XX.XX is displayed on the screen.
Next, the display goes into operating mode, and the data previously received from the meter is displayed on the screen.
- time in the format XX:XX:XX (hh:mm:cc);
- date in the format XX-XX-XX (dd-mm-ss);
- readings (depending on the configuration on the meter);
- counter number.
When initially turned on, when data from the meter has not yet been received, the following symbols will be displayed on the screen
How to pay for electricity by meter: taking and calculating readings
There are two types of three-phase electricity meters - the old type, which requires transformers, and electronic direct connection (without transformers). If an electronic one is installed, the electricity meter readings must be taken in the same way as described above. Simply write down the values, wait until the necessary information is displayed on the screen, or “scroll” the data to the required page.
Typically, the induction meter display has 5, 6 or 7 digits. In most cases, the last digit, less often two, are separated by a comma, color, or differ in size. We do not take into account all numbers after the decimal point when taking readings . They show tenths and hundredths of a kilowatt and should not be taken into account. That is, we do not take into account all the numbers after the decimal point.
Immediately after installing the meter, you were given a certificate in which the initial numbers are indicated. When you come to take readings from the light meter, take a piece of paper and copy down the current readings there (without taking into account the numbers separated by a comma). You can also not rewrite the zeros that appear at the beginning - up to the first digit (see photo).
To calculate the electricity on the meter yourself, subtract the one that was there before from the number you just wrote. You get the number of kilowatts consumed over the last period.
For example, consider the readings in the photo above. Let the previous ones be 4852, the current ones 5101 (we ignore the numbers after the decimal point). We calculate the electricity consumption: 5101 - 4852 = 249 kW. To find out how much you need to pay, you need to multiply the resulting number of kilowatts (in this case 249 kW) by the tariff. Get the amount you have to pay for the light.
If the counter stands for a long time, sooner or later it will “reset to zero” - zeros will appear in the first positions. How to calculate electricity consumption in this case? Everything is very simple. This time you will have to rewrite the readings with all zeros, and put a “1” in front of the first one. For example, you asked to take readings from the meter, but only the last digits are different from zero. Or, as in the photo below, it costs only one.
Electronic electricity meters do not have a mechanical display with “jumping” numbers, but an electronic one. It can display not only numbers showing how many kilowatts were spent, but also the date, operating time of the meter, and some other data. In most electronic light meters, these data replace each other after a few seconds. If the meter is multi-zone, readings for each zone are displayed sequentially (T1, T2, T3, T4).
To take readings from an electronic electricity meter, you can wait until the necessary information appears and write it off. The second option is to press the “enter” button. You may have to click more than once until the required information appears. It can be distinguished by the icons displayed on the screen. Usually this is T1, T2, T3, T4 or the word TOTAL.
For example, in the photo below, on the screen in the upper left corner we see the T1 icon and a little further on there are larger numbers - 72.69. If you look closely, there are units of measurement behind them - kWh. This is the consumed electricity in the first zone T1 (daily tariff).