How to Choose the Right Water Meter for Your Project

Mar 24, 2026
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Accurate water measurement is essential for modern infrastructure, from municipal water supply systems to industrial and agricultural applications. Choosing the right water meter not only ensures billing accuracy but also improves system efficiency and reduces water loss.

As a professional industrial manufacturer, WEIZIDOM provides a full range of water meters designed for different operating conditions, including residential, commercial, industrial, and smart water management systems.

In this guide, we will introduce all major types of WEIZIDOM water meters, including their specifications, materials, features, and ideal applications—helping you select the best solution for your project.

Multi-jet Vane Wheel Dry-Dial Cold Water Meter

 

Size: 1/2”-3/4”

Type: LXSG – 15N, LXSG – 20N

Measuring the total volume of cold water passing through the pipeline.

 

Application

* Multi-jet, dry-dial; Magnetic drive;

* Vacuum sealed register ensures the dial keep free from fog and frost, keep the reading clear in a long term service;

* Anti-magnetic function;

* Plastic body, Out-adjust, small volume and light weight;

* Remote transmission device can be added upon request such as Reed Switch or Hall, Pulse Output:10 L/P.

 

Standards Compliance

ISO 4064, GB/T 778

 

Working Conditions

* Water Temperature: T30 T50

* Water Pressure Class: MAP16

* Pressure Loss Class: △P63

Multi-jet Vane Wheel Dry-Dial Cold Water Meter

Multi-jet Type Water Meter

 

Dry-dial Brass body water meters 

 

It is a multi-Jet dry type water meter for residential application in sizes 15mm-50mm for cold/hot water.

 

Features

* Magnetic Drive, Lower transmission resistance.

* Magnetic shield, for external magnetic field protection.

* Sealed dry register ensures long time clear reading.

* External regulating device.

Accessories: 2pcs coupling. 2pcs coupling nuts and 2pcs washers.

 

Standards Compliance

Technical data conform to international standard ISO 4064.

 

Optional Features

* Register sealed type: Dry type: Semi-dry type; Super-dry type.

* Accuracy: R=80; 100; 125; 160.

* Size: 15~50mm.

* Cold/hot Water.

* Non return valve.

* Reed switch option.

* Several lengths and connections available on request.

* Thread end type: BSP/NPT.

 

Working Conditions

* Water temperature: 0.1°C – 40°C for cold water meter.

* 0.1°C~90°C for hot Water meter.

* Water pressure: 1.6MPa (16 bar).

Dry-dial Brass body water meters

Dry-dial Plastic body water meters 

 

It is a multi-jet dry type water meter for residential application in sizes 15mm-50mm for cold water.

 

Features

* All the plastic raw material is 100% new material, not anysecond-hand material.

* High working pressure can afford PN16.

* Magnetic Drive, Lower transmission resistance.

* Magnetic shield, for external magnetic field protection.

* Sealed dry register ensures long time clear reading.

* External regulating device.

Accessories: 2pos coupling. 2pos coupling nuts and 2pos washers.

 

Standards Compliance

* Technical data conform to international standard ISO 4064.

 

Optional Features

* Register Sealed type: Dry type.

* Accuracy: R80, R100, R160.

* Size: 15~50mm.

* Non return valve.

* Reed switch option.

* Thread end type: BSP/NPT.

 

Working Conditions

* Water temperature: 0.1°C – 40°C for cold water meter.

* Water pressure: 1.6MPa (16 bar).

Dry-dial Plastic body water meters

Dry-dial Vertical Type Water Meters

 

It is a multi-jet dry type water meter for residential application in sizes 15mm-50mm for cold/hot water.

 

Features

* Magnetic Drive, Lower transmission resistance.

* Magnetic shield, for external magnetic field protection.

* Sealed dry register ensures long time clear reading.

* External regulating device.

Accessories: 2pcs coupling, 2pcs coupling nuts and 2pcs washers.

 

Standards Compliance

* Technical data conform to intemational standard ISO 4064.

 

Optional Features

* Register Sealed type: Dry type; Super-dry type.

* Accuracy: R=80.

* Size:15~50mm.

* Cold/hot water.

* Non return valve.

* Reed switch option.

* Several lengths and connections available on request.

* Thread end type: BSP/NPT.

 

Working Conditions

* Water temperature: 0.1°C ~ 40°C for cold water meter.

* 0.1°C-90°C for hot Water meter.

* Water pressure: 1.6MPa (16 bar).

The meter should be installed in vertical position with the direction of the flow as indicated by the arrow cast in the meter body with the register face upwards.

* Pipe must be flushed before installation.

* The meter should be constantly full of water during operation.

Dry-dial Vertical Type Water Meters

Single Jet Dry Type-5 Wheels

 

Single-jet,vane wheel,dry-dial water meter

 

This type of water meter can be used for a remote reading transmission system as equipped with a built -In sensor.

Application

Measuring the volume of cold potable water passing through the pipeline.

 

Features

* Single-jet, dry-dial, free rotating register, small in size and light in weight.

* Magnetic drive, Resistance to exterior magnet interference.

* Keep the reading clear in a long term service.

 

Working Conditions

* Water temperature: 0.1°C- 40°C (0.1°C – 90°C for hot water meter).

* Water pressure: 1.0MPa.

 

Optional Features

* Measuring accuracy conform to ISO 4064 class B standard.

* Available with different length on request.

* Body material: Brass/Plastic body.

* Register sealed: Dry-dial only.

* Size:15~ 25mm.

* Cold/hot water.

* Non-return valve.

* Reed switch option.

* Thread end type: BSP/NPT.

Single Jet Dry Type-8 Wheels

 

Single-jet, vane wheel, dry-dial water meter(minitype with eight number wheels)

 

Application

Measuring the volume of cold potable water passing through the pipeline.

 

Features

* Single-jet, dry-dial, free rotating register, small in size and light in weight.

* Magnetic drive, Resistance to exterior magnet interference.

* Keep the reading clear in a long term service.

 

Working Conditions

* Water temperature: 0.1°C-30°C

* Water pressure: 1.0MPa.

 

Optional Features

* Measuring accuracy conform to ISO 4064 class B standard.

* Available with different length on request.

* Body material: Brass/Plastic body.

* Register sealed: Dry-dial only.

* Size:15~ 25mm.

* Cold/hot water.

* Non-return valve.

* Reed switch option.

* Thread end type: BSP/NPT.

Multi-jet, vane wheel, dry-dial cold(hot) water meter

 

What are the different types of water meters?

The main types include mechanical, volumetric, Woltmann, ultrasonic, and smart water meters.

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Which water meter is best for industrial use?

Woltmann and ultrasonic water meters are ideal for industrial pipelines.

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What is the most accurate water meter?

Ultrasonic water meters offer the highest accuracy.

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What is the difference between mechanical and ultrasonic water meters?

Mechanical meters use moving parts, while ultrasonic meters use sound waves and have no mechanical wear.

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Can water meters be used for hot water?

Yes, but you must choose a meter designed for high temperatures.

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What is a smart water meter?

A smart water meter can transmit data remotely for real-time monitoring and billing.

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