Hot water meter with a thermal sensor: how to save on hot water

The quality of services provided by utilities does not always meet the stated standards. There are special control devices to pay for the real cost of the service. A hot water meter with a thermal sensor, according to manufacturers of such devices, saves money and quickly pays off during operation. In order not to be mistaken when choosing this device, you must understand the principle of its operation.

A hot water meter with a temperature sensor saves money and quickly pays off during operation

Purpose and principle of operation of a hot water meter with a temperature sensor for an apartment

A hot water supply system or hot water supply is a necessary engineering communication that provides the comfort of residents of apartment buildings. A DHW meter is a multi-tariff device that measures the flow of liquid in a particular dwelling. In addition to measuring the volume of water, this device measures and records its temperature.

In addition to measuring the volume of water, a meter with a thermal sensor measures and records its temperature

There is special documentation governing the installation rules for such devices (SNiP). It states that every consumer of utilities has the right to installation of a meter for hot water... Install this device only if the fluid temperature is at least 40 ° C. According to the standards, water with a lower temperature is included in the cold water supply network.

Note! The electronic water meter, equipped with a temperature sensor, operates on batteries.

This type of device controls the temperature of the water entering the apartment. The volume of the liquid is also recorded. Water meters equipped with thermal sensors are efficient and functional devices.

A DHW meter of this type begins to work when liquid is taken from the communication. There is a special turbine inside this device. Water passing through it activates this part, after which it begins to rotate. The fluid volume is determined by calculating the number of turbine rotations.The final calculation of the water consumption is carried out automatically in the electronic unit of the water meter, taking into account the information generated in the hydromechanical unit.

Electronic water meter with temperature sensor, battery operated

Design features of a water meter with a temperature sensor

Modern metering devices are made in such a way as to ensure maximum efficiency and accuracy during operation. A multi-tariff device equipped with a temperature sensor includes three main blocks that you need to pay attention to:

• hydromechanical unit;
• thermal sensor;
• the electronic unit.

The first block is a very important element in a meter with a temperature sensor, since it is he who is responsible for controlling the flow of liquid. Water passing through it turns the turbine. There is one more detail in this mechanism - the impeller.

The second block is a temperature sensor that detects and records the temperature of the liquid. This device cooperates with the converter during operation. These elements are connected to each other by means of a cable.

The electronic unit is the main mechanism in the design of the water meter. It performs the function of collecting and recording data received from other nodes. The electronic unit records information about the amount of consumed water, as well as its temperature.

The electronic unit is the main mechanism in the design of the water meter

During the operation of a water meter with a temperature sensor, a simple chain of actions occurs. When water enters the device, its temperature is read by a temperature sensor. Further, the received information is transmitted through the cable to the converter. The final destination of the signal is the electronic unit. This node includes 4 cells that differ from each other in the tariff plan. The signal sent by the transducer is stored in one of the cells (depending on the water temperature). Consider the coefficients for each cell:

• 1.0 - 50 ° C or more;
• 0.9 - 45-49 ° C;
• 0.7 - 40-45 ° C;
• 0 - below 40 ° C.

Further work of an electronic hot water meter with a temperature sensor is to collect various data (on temperature) and in their direction to a common cell. In this way, the actual flow rate is calculated.

Hot water meter with a thermal sensor: pros and cons

Before purchasing a water meter equipped with a thermal sensor, it is recommended to study all the advantages and some disadvantages of this device. This will allow you to assess the feasibility of purchasing it. Consider the advantages of this type of hot water meter.

The main advantage of a multi-tariff hot water meter of this type, of course, is that its use allows you to save money. Conventional measuring devices record the total water consumption, but they do not differentiate by heating temperature. As a result, all cubic meters of liquid have the same price as stated by the service provider, and this does not contribute to savings.

The main advantage of a hot water meter with a thermal sensor is that its use allows you to save

Helpful information! The installation of such metering devices is especially justified in the event that it is necessary to control the supply of hot water in an apartment located on the upper floors of the house. This is due to the fact that water rarely reaches the upper tiers with the standard parameters specified in the regulatory documentation.

Another advantage of a hot water meter with a temperature sensor is its reliability. The internal mechanism of this type of water meters is highly resistant to adverse factors affecting its parts during operation.

Meters equipped with thermal sensors are easy to maintain. In addition, it should be noted that the use of such a device provides the convenience of fixing readings.The display of the water meter can be placed in any convenient place, thereby providing free access to the information that is displayed on it.

Like any other device, such a water meter has its negative sides. Water meters with thermal sensors are quite expensive, which often stops buyers. Another disadvantage of such a device is the problem with its registration. Some management organizations refuse to seal this type of water meter. To resolve this issue, it is recommended to go to court, since every citizen has every right to install a water meter equipped with a thermal sensor.

The downside of a hot water meter with a thermal sensor is the problem with its registration

The main criteria for choosing a water meter: price and characteristics

Buying such a meter is an effective way to save money. After installing a water meter, the design of which includes a thermal sensor, the consumer will not have to overpay for a service that is not provided in full. To choose this device, you need to familiarize yourself with its main characteristics, as well as study the prices for different models.

When choosing a hot water meter with a temperature sensor, you should pay attention to its technical characteristics. Working pressure, temperature conditions, as well as measurement accuracy - all this is taken into account when selecting a device.

It is recommended to compare the data specified in the instrument's passport with the indicators that become available during the operation of the device. Thus, the water meter must comply with the characteristics declared in the documentation. An important selection criterion is the material for manufacturing a hot water meter with a temperature sensor. Reviews of different models allow you to choose the most efficient and reliable device.

Experts advise to give preference to models made of steel (stainless). Also, products made of brass material are durable.

When choosing a hot water meter with a temperature sensor, you should pay attention to its technical characteristics

Another indicator that you need to pay attention to when choosing a water meter with a temperature sensor is the calibration interval, which is usually 4 years.

The cost of such water meters is considered relatively high. For a device of domestic production, you will need to pay from 4 to 6 thousand rubles. The price of a hot water meter with a thermal sensor may be lower. However, it is not recommended to purchase budget models, since they often do not differ in their quality. Among other things, you need to consider the appearance of the product. It is necessary to carefully examine the outer surface of the water meter. It should not contain cracks, chips, or any other defects that indicate a poor-quality device.

Note! It is recommended to give preference to products that are sold in stores. Before purchasing a particular model, you should read the certificate confirming its quality.

Review of popular models of water meters: price and parameters

Currently, you can purchase a water meter equipped with a domestically produced temperature sensor. Some domestic models are not inferior to European counterparts, and their cost is lower, which is an absolute advantage. Consider several models of water meters, the price of which ranges from 4.5 to 6 thousand rubles.

Sayany T-RMD - the body is made of plastic, which has good strength, so it is resistant to wear and temperature fluctuations

The first device is the Sayany T-RMD. The body of such a water meter with a temperature sensor is made of plastic. However, in this case, the polymer material has good strength, so it is resistant to wear and tear, as well as temperature fluctuations.

The manufacturer allows you to select the required device depending on the type of installation. According to this indicator, the meters manufactured by this company are differentiated into horizontal and vertical. In this case, the nominal diameter can be 10, 15, and 20 mm. How much does a hot water meter of this type cost? The cost of this device is approximately 4.5 thousand rubles.

The Archimedes water meter is no less common. For the manufacture of the case of such a device, durable stainless steel is used. This material is resistant to corrosive effects, therefore it has a long service life. The price of a hot water meter with a thermal sensor of this type is on average 5.5 thousand rubles.

The model that is very popular among users is the LV-4T

The latest model, which is popular among users, is the LV-4T. The maximum temperature of the working environment in which such a device can be used reaches 90 ° C. Of the minuses, it can be noted that this model has only one nominal diameter (15 mm).

There are other options for domestic water measuring devices. When choosing such a device, in any case, it is necessary to pay attention to the key technical parameters.

Influence of equipment on the price of a hot water meter with a temperature sensor for an apartment

The cost of a water meter depends on the materials from which its body and internal mechanism are made, as well as the configuration affects the cost. A special adapting element can be purchased separately for such a measuring device. The purchase of such a device opens up new opportunities and allows you to meter the hot water consumption through a computer.

The cost of a water meter depends on the materials from which its body and internal mechanism are made

The electronic adapter included with the meter increases the total price of the meter. However, its use greatly simplifies the control and processing of information received by the water meter during operation.

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Among other things, for such a device you will need to additionally purchase some fixing elements and related parts. For example, the standard equipment consists of branch pipes (for connection to communication) and nuts. The price of a classic water meter is relatively low. However, this set is usually not enough. In addition to the metering device, the following devices are purchased:

• couplings;
• valves (ball valves);
• clamps.

In addition to the configuration, it is also worth considering the costs that will be spent on installing the device. Do-it-yourself installation of a smart water meter allows you to save money. However, such work requires special knowledge and skills, so experts do not recommend doing this on your own. The cost of the services of a qualified specialist is approximately 500-1000 rubles.

Note! The first sealing of the meter is free of charge. This rule also applies to a hot water meter with a temperature sensor. The price of the second installation of seals may vary depending on the tariffs set by the utility.

An electronic adapter included with the meter increases the total price of the meter

The benefits of installing such a device are determined on an individual basis. This takes into account such indicators as the location of the apartment in the house, the temperature of the liquid in the communication, etc.

How to get permission to insert a water meter

When planning to install such a device, it is necessary to take into account all possible problems that may arise in the process.The main reason for the difficulties lies in the fact that the installation of such water meters is unprofitable for utilities, because they enable the consumer to pay less for the services provided.

Employees of a utility company may find many reasons not to install a hot water meter with a thermal sensor. The most common ones are:

• lack of free specialists;
• unsuitability of communication for the installation of such equipment;
• lack of thermal insulation of the pipeline.

However, it should be understood that such a procedure does not contradict the law. Anyone can install a water meter of this type. A competent approach will avoid many problems when obtaining permission to install a device with a temperature sensor. When purchasing an appliance, it is recommended to ask the seller for a certificate of conformity, the absence of which can also cause a failure of the utility.

A competent approach will avoid many problems when obtaining permission to install a device with a temperature sensor

In order to install a hot water meter with a temperature sensor in an apartment, while avoiding various difficulties, it is recommended to take a list of approved devices from the communal organization. This is a very important point, since the user can purchase equipment, the installation of which is prohibited.

Today, consumers have the legal right to install any metering devices that meet a single measurement system. The presence of a certificate, as well as the serviceability of the device, are mandatory factors on the basis of which a decision is made on the possibility of installing a water meter.

How to register a water meter: instructions

In order to register a water meter equipped with a temperature sensor, it is necessary to collect a certain set of documents. Let's consider what kind of documentation is required in this case.

The passport water meter - this document is the main one. It comes complete with the meter itself. Before purchasing a device, it is recommended to check the numbers indicated in the passport with the numbers on the equipment itself. Answer the question on how to register water meter, videos with helpful recommendations that can be easily found on the Internet will also help.

In order to register a water meter equipped with a temperature sensor, it is necessary to collect a certain set of documents

Helpful information! The passport of the meter contains important information, for example, the date of purchase of the equipment, as well as the initial readings. The date of installation of the device is also noted in the corresponding column.

Instrument commissioning certificate. Such a document is issued to the user in three copies. It contains information about the numbers of the seals that were used during the installation of the device. To obtain an act on the commissioning of a smart hot water meter with a thermal sensor, you must contact a company that has a license for this (for example, a management organization).

Act on the installation of a water meter. This document must be filled out by the master who made the insert. It must also contain the signature of the owner confirming the acceptance of the job. This document is issued in two copies.

Agreement with a service company. It is important to remember that the management organization (or any other company) must be licensed to install and maintain this type of equipment.

Before purchasing a device, it is recommended to check the numbers indicated in the passport with the numbers on the equipment itself

Where is the registration of the water measuring device carried out? The easiest option is to contact the management company. To register, you must provide all the necessary documentation.

What should be the temperature of hot water in the tap according to SNiP 2018

Many users are interested in the question of what should be the temperature of hot water in communication. In order to answer this question, two factors must be taken into account:

• current standards established by the management company;
• time of temperature measurement in the system.

The price of a smart hot water meter with a temperature sensor is a disadvantage of such devices. However, their use fully pays off over time. The time during which the device will justify itself is calculated individually.

Managers tend to provide the service with some deviation from the norm. Let's consider what temperature regime is acceptable according to the regulatory documents of 2018 in the Russian Federation. The minimum temperature of the liquid in the hot water supply system is 65 ° C. As for the maximum indicator, it is 75 ° C.

The minimum indicator of the temperature of the liquid in the hot water supply is 65 ° C

Note! All permissible temperature deviations are indicated in the norms approved by the state authorities of the Russian Federation. They differ depending on the time of day. For example, the maximum allowed deviation during daytime is 3 ° C. At night, the discrepancy can reach 5 ° C.

To register the exact temperature, a device belonging to the multi-tariff category is required. It can be a device with a temperature sensor or a hot water meter with a pulse output.

The amount that the consumer pays for the provided service depends on these standards. If the hot water temperature is below the permissible standards (taking into account deviations), then it is necessary to recalculate the cost of the service according to the indicators that were registered by the meter.

A water meter, in the design of which there is a temperature sensor, is selected taking into account many factors. Before purchasing a specific model of the device, it is recommended to study the reviews about it. Installation and registration of a hot water meter with a temperature sensor is carried out in accordance with the current rules and regulations approved by state bodies.