Dry water meter because of its counting mechanism and the measured water isolated, it is not affected by the impact of suspended impurities in the water to ensure that the normal work of the counting mechanism and the reading of the clear, but also not like a wet water meter, due to internal and external temperature difference caused by glass below Fog or condensation of water droplets and other effects of water meter read the phenomenon.
Rotor multi-flow dry water meter error adjustment device is generally outside the type, its external dimensions and internal structure and the same specifications of the wet water meter is basically similar to many parts can also be common to each other.
Dry water meter and wet water meter is the biggest difference between the measurement mechanism. The impeller is separated from the sun gear, and the upper end of the impeller is coupled with the magnetic element (magnetic or cylindrical magnet) at the lower end of the sun gear. When the water flow impeller rotates, the magnetic element at the upper end of the impeller is sucked or repelled with the magnetic element at the lower end of the sun gear, and the central gear is rotated synchronously and the water flow through the water meter is recorded by the center drive counter.
1, dry water meter magnetic components
Dry water meter magnetic materials commonly used ferrite and NdFeB, magnetic components of the general shape of the ring-shaped magnet, columnar magnet and ring magnet and "door" shaped silicon steel.
2, dry water meter gear box
Dry gauge meter is dependent on the gear box and the measured water isolated, so the bottom of the gear box and around to be able to withstand the pressure test 2MPa without deformation. To this end, in the design of dry water meter, in addition to the gear box, the bottom of the bottom of the addition of more than ten stiffeners, often in the gear box on the bottom and lining the metal lining of the lining, to prevent its compression deformation The
Gear box on the bottom of the bottom of the center of a shaft hole, respectively, and the sun gear shaft and impeller shaft match. In order to minimize the friction of the moving parts, improve the initial flow value, usually in the bottom of the shaft hole inlaid with a concave (or plane) gemstone bearings. Dry water meter counting mechanism, in addition to the gear box around the bottom and the bottom of the water to be measured, it is best in the upper part of the gear box also take good sealing measures to prevent surface effluent into the erosion counting mechanism.
Dry water meter and wet water meter is the biggest difference between the measurement mechanism. The impeller is separated from the sun gear, and the upper end of the impeller is coupled with the magnetic element (magnetic or cylindrical magnet) at the lower end of the sun gear. When the water flow impeller rotates, the magnetic element at the upper end of the impeller is sucked or repelled with the magnetic element at the lower end of the sun gear, and the central gear is rotated synchronously and the water flow through the water meter is recorded by the center drive counter.
1, dry water meter magnetic components
Dry water meter magnetic materials commonly used ferrite and NdFeB, magnetic components of the general shape of the ring-shaped magnet, columnar magnet and ring magnet and "door" shaped silicon steel.
2, dry water meter gear box
Dry gauge meter is dependent on the gear box and the measured water isolated, so the bottom of the gear box and around to be able to withstand the pressure test 2MPa without deformation. To this end, in the design of dry water meter, in addition to the gear box, the bottom of the bottom of the addition of more than ten stiffeners, often in the gear box on the bottom and lining the metal lining of the lining, to prevent its compression deformation The
Gear box on the bottom of the bottom of the center of a shaft hole, respectively, and the sun gear shaft and impeller shaft match. In order to minimize the friction of the moving parts, improve the initial flow value, usually in the bottom of the shaft hole inlaid with a concave (or plane) gemstone bearings. Dry water meter counting mechanism, in addition to the gear box around the bottom and the bottom of the water to be measured, it is best in the upper part of the gear box also take good sealing measures to prevent surface effluent into the erosion counting mechanism.
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