Advice 1: How to choose a water meter

Annually the fee for utilities increased by more than 10%. If earlier the difference in paying for water according to the standards, depending on the quantity prescribed in the house of people and in fact was material, now it can be more than a thousand rubles a month. The need to install metersthat control the flow of hot and cold water, have realized even people who have never considered the money. Their selection is quite varied, so the question arises – how to choose the right counter water?
Instruction
1
Before you purchase the counter on the hot or cold water, check in your misinformation, find out which counters are permitted for installation in a residential facility in your area. Talk with experts who are familiar with the features of water supply system in your home, they will advise you what the necessary specifications must have counter pressure and operating temperature of water, the limit value of the adder, the limit of sensitivity, the permissible head loss in the installation environment and application field.
2
Remember that the type of construction of the counters for water are the turbine and the wing which are virtually indistinguishable from each other. Regardless of the type of construction, their purpose – proper flow measurement of water, so the main requirement for the device is that it needs to be made without violation of the established technology.
3
Today it is more popular to meters based on mechanical principle of action, they differ in versatility, but are characterized by greater reliability and performance. Proper metering of water – their main operational characteristics.
4
In addition to mechanical, there are automatic counters that can independently give their testimony in dispatch centers. Their cost is very high, and the technology is still imperfect, so give preference to a mechanical counter.
5
What is the counter to choose imported or domestic, is not essential, because in Russia these devices are manufactured on imported equipment with the use of foreign technologies.

Advice 2: How to choose a water meter

Why the need for the installation of water meters? If you consume less water than laid down in the standard, the installation of meters will allow you to save money. How to choose a water meter? What to look for when buying?
At first glance, the choice of water meter — is simple enough. Most people know that water meters are divided into two varieties. One for cold and another for hot water.

Indeed, the supply pipe hot water not install a water meter designed for cold water. Such devices are designed to work with water whose temperature does not exceed 40oC.

But the temperature is not the only difference. There are several types of metering water consumption. They can be divided into two major groups — mechanical and electronic.

Mechanical water meters



Mechanical metering devices are significantly cheaper than electronic. They need no power source and is fully Autonomous. Find the water meters of this type are available in most plumbing stores.

The basic principle of the mechanical operation counter is pretty simple. The water passing through it, rotate the impeller or turbine, the number of revolutions which is recorded by the counting mechanism.

In the simplest counters use the so-called "wet" mechanism of accounting. It is not protected from water. If the pipes flowing relatively clean water, this should not affect the service life of the meter. But if the water contains impurities and dirt, the counting mechanism may prematurely fail, and his testimony will be distorted. When you install these devices you need to give a mud filter.

More robust and hardy to the quality of water are "dry" counters. The mechanism accounting for such instruments is not in contact with flood water due to a special partition. But keep in mind that these water meters are more complicated, so they are more expensive than "wet".

The counters can be single jet and multi-jet. In the second case the water flow is divided into several parts. This reduces the effect of turbulence and to increase the accuracy of the water meter, but makes the device more expensive. Single jet meters are often fitted with "wet" mechanism, and "dry" installed in multi-jet devices.

Electromagnetic water meters



If you want to achieve high accuracy of water accounting, it is possible to opt for the electromagnetic metering devices. On the accuracy of their testimony is not affected by the presence of impurities and the temperature of the water. Conveniently, for verification there is no need to remove the pipe the whole body of the device.

But such wines are not without drawbacks. The main disadvantage — the high price, much higher than the cost of mechanical meters. Such devices are difficult to find in stores plumbing. If you want to install such a meter, you will need to contact a specialized firm.

What you need to pay attention to when buying



Buying the counter, pay attention to the company that manufactured the device. It is better to choose products of famous manufacturers. Avoid nameless counters, shop in shops plumbing, and not on the market. So you will have more chances to protect yourself from buying inferior or fake products. Make sure that your chosen shop provides a warranty on the meters.

Before you go shopping, call upon the house of specialist and consult with him. You need to know the mounting dimensions of the instrument. In case of error will have to return it to the store or to redo the piping that would increase the cost of the installation.

Need to talk to a representative of your management company and to clarify the list of equipment permitted to be installed. There is a State Registry of measuring instruments, which contains a list of equipment that can be set. If you put the counter that isn't in the registry, you will not be allowed its operation.
Note
The wizard installs the device must have the appropriate license for these works.
Useful advice
You should not purchase the devices at construction natural markets, because there is a risk of acquiring a device that does not conform to the Standards. Buying a device in this market, make sure the packaging is intact, check the documentation and matches the serial number of the device that it listed. Please note the warranty period.
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