Water Meter
Your Professional Water Meter Supplier
Zhejiang Kaou Instrument Co., Ltd. is a modern manufacturing enterprise specializing in the research, development, production, and sales of smart meters, traditional mechanical meters, and power metering equipment. With an annual production capacity of one million units, the company exports its products worldwide and is recognized as one of the major exporters in China’s meter industry.
Advanced Production and Calibration
We operate three smart meter production lines and multiple high-precision calibration stations, ensuring stable large-batch output. Our annual capacity of 1 million single-phase meters and 500,000 three-phase meters supports reliable and timely supply for global projects.
Strict Quality Control and Global Certifications
Every order is backed by a full inspection process—raw material checks, hourly in-line sampling, and 12 final tests including aging and temperature shock tests. We comply with IEC, STS, CE, RoHS, ISO9001, and ISO14001 standards to guarantee consistent, safe, and compliant products.
Strong Customization Capabilities
We offer flexible customization based on local grid needs, including voltage options (110V/220V), communication protocols (RS485/LoRa), and design requirements. This ensures each meter fits the technical specifications and installation conditions of the target market.
Reliable Service and On-Time Delivery
Our team provides full pre-sales, order-tracking, logistics, and after-sales support, including multilingual documents, customs clearance assistance, and technical guidance. Standard orders ship within 30 days, helping customers reduce supply risks and maintain stable project timelines.
Parameter
|
Nominal caliber |
DN15 |
DN20 |
DN25 |
|
Range Ratio |
R100 |
||
|
Q4(m³/h) |
3.125 |
5 |
7.875 |
|
Q3(m³/h) |
2.5 |
4 |
6.3 |
|
Q2(m³/h) |
0.04 |
0.064 |
0.1008 |
|
Q1(m³/h) |
0.025 |
0.04 |
0.063 |
|
Temperature Class |
T30/T50/T90 |
||
Advantages of Water Meter
Water conservation incentive
Using a water meter and keeping close track of your consumption can help you detect areas of improvement and inspire you to develop efficient methods of conserving as much water as possible within your commercial or residential property. Monitoring your water usage is the first step toward conserving water.
01
Leak detection
Another essential benefit of using a water meter and monitoring your water consumption is that it can help you detect a hidden leak in your property. If you haven’t changed your habits and you notice spikes in your consumption of water, this might be a clear indication that there’s a leak hidden somewhere.
02
Water wastage detection
Water meters can also help you detect water wastage, and not just through hidden leaks. Leaking faucets and other small leaks can accumulate over time, and carefully monitoring your usage with a meter can help you indicate the existence of even the smallest leaks.
03
Higher energy efficiency
The better you monitor your water usage and the more you do to eliminate wastage, the more energy efficient your property will be. Even though you’re wasting a small amount of energy alongside wasting water, every little bit counts toward greater environmental friendliness and reduced energy bills.
04
Cost monitoring
Finally, regularly checking your water consumption allows you to carefully monitor the costs of your usage and identify methods for saving money by reducing use. Couple this with wastage elimination, and you’re in for significant cost reductions.
05

Residential Applications
Water meters are installed in households to track water consumption, facilitate fair billing, and encourage conservation. Smart meters are increasingly used to provide real-time usage data to homeowners.
Commercial Applications
Businesses such as hotels, restaurants, and office buildings rely on water meters to monitor usage, manage costs, and detect leaks that could lead to significant expenses.
Industrial Applications
Industries require precise measurement of water usage for process control, regulatory compliance, and cost management. High-capacity meters such as turbine and electromagnetic meters are commonly used.
Municipal Water Supply
Municipalities use water meters to measure water distribution to different sectors, ensuring equitable supply and identifying potential areas of water loss due to leaks or unauthorized usage.
Irrigation Systems
Water meters are vital in agriculture to monitor irrigation water usage, optimize watering schedules, and comply with regulatory requirements on water usage.
Shut off the water supply: Ensure no water is running and drain the pipes to prevent leaks.
Locate the installation point: Choose a spot that allows easy access for maintenance and reading.
Install gaskets and fittings: Attach the necessary components to connect the meter securely.
Align to water flow direction: Position the meter so the arrow matches the direction of flow.
Confirm correct orientation:
Some meters require horizontal or vertical positioning.
Prevent air pockets:
Install the meter at a point that ensures the pipe remains full of water during operation.
Secure the meter:
Tighten all connections to create a watertight seal.
Precautions for Storing Water Meters
Dry environment
Smart water meters should be stored in a dry environment, away from moisture and water sources. Humidity can cause damage or corrosion to electronic components, so it is critical to keep the environment around the water meter dry.
Avoid temperature extremes
Smart water meters should be kept away from overheated or extremely cold environments. Extremely high or low temperatures can adversely affect the meter's electronics and battery life. Therefore, it is best to store the smart water meter in a place with moderate temperature.
Physical protection
Ensure that the smart water meter is placed in a safe and stable location to avoid impact or other physical damage. Especially delicate parts such as displays, sensors and connecting wires on water meters require extra care to prevent damage.
Avoid electromagnetic interference
Smart water meters should be kept away from sources of electromagnetic interference, such as strong magnetic fields, radio equipment or other electronic equipment. Electromagnetic interference may interfere with the normal operation or data accuracy of the water meter, so these sources of interference need to be avoided.
Customizable Options
|
Body Material |
Brass, lead-free brass, stainless steel, composite plastic |
|
Data Output |
Pulse output, digital interface, or custom data format |
|
Display Type |
Mechanical dial, LCD display, or dual-display (mechanical + LCD) |
|
Display Language |
English, Spanish, French, Arabic, Portuguese, or customer request |
Packaging and Shipping
|
Packaging |
Protective foam + cardboard box |
|
Shipping |
Shipping by sea, by air, by express are acceptable. According to your requirements. |
Our Factory
Zhejiang Kaou Instrument Co., Ltd., established in 1994 and occupying 1,600 square meters.

FAQ
We're well-known as one of the leading water meter manufacturers and suppliers in China. Please rest assured to buy high quality water meter made in China here from our factory. For more cheap products, contact us now.
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