Turbine-mechanical.
Electronic.
Most experts recommend turbine water meters for installation, since they are not so expensive at the same time work efficiently and do not require replacement for a long time. In turn, electronic, although more convenient, their cost is higher than mechanical, and they break quite often. When purchasing water meters, it is best to give preference to ordinary models. Do not look for any innovations. Be sure to ask the seller a certificate for the goods. In the event that it is absent better to refuse to buy. Make sure that the counter is fully equipped. To do this, read the product passport, it indicates the availability of additional details. In addition to all this, the passport must have seals confirming the quality and availability of such a manufacturer. After you purchased a water meter, you can proceed to its installation. To do this, first check the air temperature in the room where the device will be located. It should be at least five degrees Celsius. After that, you can start mounting all the meter elements. Further, you must contact the water utility to check the installation and sealing of the device. Without a seal, your counter will not be considered valid, and payment will occur according to the old standards.