Flow meter calibration – a prerequisite for their operation

An increasing number of apartments and private houses are equipped with water meters. The installation recently became mandatory. The owners of apartments in new buildings with luck, they move into the apartment with existing devices. But to all those who have long lived in his living space, we have to do it yourself. In both cases, sealing of water meters – a required action that must take place before the beginning of their operation. Otherwise, their testimony will not be considered valid.

Finally, the metering of water consumption installed, the happy owner of the apartment pays for water is substantially less, but do not forget that, like any technical device, the meter requires attention. First of all it concerns checking its health.

The Calibration of meters – a procedure that is carried out to determine the correctness of the measurement carried out through a limited period of time. Last, the definition of Metrology, defined as miproperty intervals. For devices measuring the consumption of cold water, they are 6 years old, hot – depend on the model and may vary in the range of 4-6 years (with a total lifetime 10-12 years).

Calibration of meters – how does it happen?

This event can be done in two ways:

• The device is dismantled and transported to testing laboratory, in its place put another temporary, if “native” the device is accepted, it is set to its usual position;
• Testing of water meters on the house is done in place without removing it.

A couple of years ago, most of the companies working in sphere of service of metering devices, offered only the first option. In this case, the procedure takes a lot of time, and efficiency – the question is moot, since the dismantling of the meter are not free. Most likely, this was due to the fact that for verification, the company must undergo a certification procedure, which confirms that its staff includes professionals accredited to carry out these works and provide necessary technical means. And removed the device can take the test at any certified lab.

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Today the situation has changed, the mass distribution of metering devices have led to the fact that an increasing number of organizations get the necessary licenses and the verification conducted on site. It will not take more than an hour, even if the apartment is not one, but two water distribution site.

Verification or replacement?

Sometimes when reading the owner himself notices something amiss: while maintaining the same level of consumption, the device captures its significant increase. Such cases are rare, but do happen. Only in this case you should think about early replacement of the device.

Some companies, engaged in installation of meters often offer to install a new meter instead of believe available. Motivation is very simple – as water pipes leaves much to be desired, despite the long life claimed by the manufacturer, few devices fulfill it completely. In fact, the meter manufacturers determine the period of health, given their operating conditions, and there is no need for such a change.

According to statistics, less than 2% of devices are not calibrated, so do not think about the new device if the old one worked for a total of 4-6 years.