How to Choose the Best Smart Water Meter Manufacturers

Systems are only as good as the components that make them, and that is especially true for smart utility infrastructure. Whether you are deploying new sub-metering systems or upgrading existing ones, choosing the best smart water meter manufacturer will save you time and money in the long run.
But these choices aren’t cut-and-dry. While a list of suitable products can be compiled quickly, several factors should be considered when narrowing down options and making a final decision on a smart meter.
Drawing on VIP Meter Services' extensive experience in metering system installations, the following guide will help you select technology that remains accurate, integratabtle, and compliant well past its warranty.
In this article, you will learn:
- Key specs every modern meter must meet
- Connectivity features that future-proof utility data streams
- Red flags when vetting meter manufacturers
Let’s dive into the essential selection criteria.
Baseline Specs for Smart Water Meters
Benchmarking the best smart water meter manufacturers requires a starting line. These common denominators should be required features that quickly determine whether a brand or model makes it into your decision process.
Smart water meters go beyond “digital meters,” which include manual reading and automatic meter reading (AMR) units. For a meter to be “smart,” it must be a two-way communication endpoint.
Simply put, smart meters send and receive communications within a building network.
On the grid, this technology must be able to read and measure accurately, withstand harsh conditions such as those in mechanical rooms or in-ground pits, and communicate reliably with a control layer.
The checklist below outlines key specifications to consider when choosing a smart water meter.
| Spec | What to Look For | Why It Matters |
|---|---|---|
| Accuracy Class | AWWA has two accuracy classes: Type I – Residential and commercial applications where low flow accuracy is important Type II – Commercial applications where low flow is not the primary concern | "AWWA is the most popular standard, with 72% of meter manufacturers and 67% of utilities using it to ensure accuracy." Knowing the requirements for the intended application can guide purchase decisions by utilities. |
| Normal flow rate range | Water meters must register within a range of 98.5% to 101.5% at normal flow rates. This means that for 100 litres, the meter should register between 98.5 and 101.5 litres. | Crucial for fair and accurate billing. Eliminates non-revenue water. |
| Battery Life | 15–20 years | Matches or exceeds typical meter replacement cycles |
| Ingress & Environmental Rating | Minimum IP68 and operation from –4 °F to 140 °F (–20 °C to 60 °C) | Fully waterproof - suitable for most installation environments. |
| Third-Party Certifications | NSF/ANSI 61 for potable safety, AWWA C700/C707 compliance | Guarantees regulatory compliance |
| Tamper & Reverse-Flow Detection | Embedded sensors and alarms with data logging | Flag leaks, bursts, installation errors, and other issues |
| Onboard Data Storage | Daily, weekly, and monthly interval data are stored on the meter. | No missed reads during network or power outages |
Common Smart Water Meter Manufacturers
There are numerous smart water meters you’ll run across while researching products.
VIP has worked with 150+ models from the following smart water meter manufacturers and more on live projects, and has hands-on insights into how they are installed, integrated, and perform.
- LYNKED
- GWF
- Itron
- Kamstrup
- Neptune
- Next Century
- Mueller
Design & Deploy Smart Water Systems with VIP
With hands-on experience with over 150-meter models (electric, gas, water, thermal), VIP Meter Services based in Toronto, Ontario, can help you pinpoint, benchmark, and procure the best smart water meters for your system.
Choosing the Best Smart Water Meter Manufacturers
Making a shortlist of the best smart water meter manufacturers is usually a straightforward process: Ticking off boxes on costs, specs, and capabilities.
However, making the final call among your top competitors can be tricky.
How does the equipment support your long-term vision for smart integration, not just immediate operability? How does the meter fit your company’s goals and priorities?
Asking and answering these types of questions requires a keen eye to look past buzzwords, recognize what’s not being said on a product flier, and deciphering padded marketing language.
The following sections break down what smart water meter features deliver real value beyond a sticker price.
Mechanical vs. Ultrasonic Water Meters
A key factor in smart meter quality is how they sense and measure flow. Mechanical meters use gears, impellers, and other moving parts, while ultrasonic meters rely on sound waves and sensors.
These approaches create differences in accuracy, maintenance load, and total cost of ownership (TCO).
How Mechanical Meters Fall Behind
| Issue | Impact in the Field |
|---|---|
| Missed low-flow data | Internal friction means lower accuracy at low flow rates, so small leaks and waste go undetected. |
| Wear and drift | Moving parts erode over time, causing accuracy to drift and meter failure. This means under-registration or paying for an early replacement. |
| Vertical Installation Orientation | Mechanical water meters are less accurate and have a higher starting flow rate when installed vertically |
Advantages of Ultrasonic Reading
| Advantage | Real-World Benefit |
|---|---|
| No moving parts | Accuracy is not tied to moving parts, which means virtually zero maintenance throughout a device’s service life. A 2022 survey found that 41% of utilities reported that their ultrasonic water meters had lifespans of 16 to 20 years, while 13% reported that their mechanical water meters had lifespans of under 10 years. |
| Drop-level sensitivity | Sensors can record flow down to a trickle, enabling you to receive accurate alerts and know exactly where they are occurring. |
| Flexibility in installation | Suitable for any situation, in both retrofit and new installs |
Quick Tech-Selection Checklist
- AWWA Type-I accuracy, with a wide normal flow rate range
- Ultrasonic, solid-state sensing with certified life expectancy
- No moving parts that are prone to wear and tear
Prioritizing ultrasonic smart meters will be key for long-term accuracy, lower maintenance budgets, and less intrusive installs.
The next factor to consider is how smart meters fit within a network.
Open-Protocol Communications
Smart meters are only as useful as the data they can transmit. Not just within a property’s current technology stack, but 10 to 15 years from now.
Every model you consider should be able to communicate over multiple open protocols. It will be important to confirm upfront whether these capabilities require any add-on boards or fees.
Why Comms Matter
- Scalability – A property’s network stack can change. Open protocols prevent rip-and-replace costs and keep your systems adjustable.
- Interoperability – Meters need to package data the way you need it. If systems are planned to integrate with broader building automation systems (BAS) or management platforms, ensure that the hardware will support this integration.
- Security – Smart meters should encrypt every packet (TLS / DTLS with AES-128 or stronger).
Types of Protocols
| Protocol | Best Use | Key Benefit |
|---|---|---|
| LoRaWAN | Urban areas and high-rise buildings | Long-range, low-power links on a single gateway |
| NB-IoT / LTE-M | Urban or remote sites | Carrier-grade reliability with no on-site gateway |
| M-Bus / Modbus RTU | Legacy BMS wiring | Simple, proven, widely supported |
| RS-485 | Mechanical-room daisy chains | Robust against electrical noise |
| Pulse Output | Utility hand-off or backup | Universal backup signal any logger can read |
Quick Checklist
- Does hardware support needed protocols?
- Integratabtle to an existing or planned BAS/BMS?
- Capable of remote firmware updates?
- TLS/DTLS encryption and signed firmware?
Meters offering this list won’t lock you into a single platform, and they’ll keep data flowing securely as a building and its systems evolve.
Unsure Which Comms Stack Fits Your Site?
VIP has engineered metering networks for every property type, including high-rise offices, retail campuses, commercial retail, and heavy-industrial plants. We can make sure you outfit your system and network right the first time.
Built-In Alerting Firmware
A key feature of smart water systems is alert notifications. But how those events are triggered and where they originate make a huge difference.
A common approach to alert notifications is to detect anomalies using a cloud-side algorithm after data has been successfully received. While it is impressive technology, this alerting sequence can still leave properties vulnerable. Because cloud-based event detection relies on successful data transfers, if there are gaps or errors in transmissions, cloud systems are susceptible to missing incidents.
For the most comprehensive protection and system visibility, look for smart water manufacturers that support built-in alerting firmware, such as LYNKED.
When detection occurs directly at the device level, leak and burst events are flagged as they appear, recorded within the device itself, and then transmitted to the cloud.
If connectivity is ever interrupted, the alert is queued and transmitted immediately once the connection is restored.
System-Side vs. Meter-Side Alerts
| System-Side (Cloud-Based) | Meter-Side (Device Firmware) |
|---|---|
| Relies on connectivity | Relies on meter firmware and will generate and store alerts when connections are down. |
| Decisions based on sparse data snapshots | Analyses full, real-time flow signatures |
| Alerts can be delayed or lost | Alerts are logged instantly and forwarded later |
| False-positive rates | Physics-level accuracy minimizes and even eliminates phantom” leaks |
| Increases power consumption and shortens battery life | Less frequent data transmission, lowering power consumption and preserving battery life |
What to Look For
- Built-In Algorithms – Leak, burst, reverse-flow, and tamper detection are detected on the device, not just the cloud.
- Local event memory – At least 24 months of storage, so no alert is lost during outages.
- Remote tuning – Thresholds and firmware can be updated over the same open protocols you already use.
- Standard payloads – Alerts export in MQTT, Modbus, or REST JSON so a BAS or asset management system can ingest them without custom code.
Choose the Best Smart Water Meter Manufacturer for Your Project
VIP evaluates and works with every major brand, from LYNKED, GWF, Itron, Kamstrup, Neptune, Next Century and Mueller. We know how to make sure your systems have the right meter technology to support your business goals and keep services competitive for property owners.
Frequently Asked Questions
Which supplier has the best smart meter?
No single brand tops every scenario. The best smart water supplier is the one whose meter meets your flow range, battery life, and protocol needs. VIP has worked with 150+ models and can offer an in-depth comparison to match the ideal device to your site and budget.
Who makes the best water meter?
The best water meters are made by top companies such as LYNKED, GWF, Itron, Kamstrup, Neptune, Next Century and Mueller and use ultrasonic sensors for precision accuracy to reduce non-revenue water losses. The best water meters should also support a range of communications protocols, security measures and battery lifespans.
Which company manufactures smart meters?
Major smart-water manufacturers include LYNKED, GWF, Itron, Kamstrup, Neptune, Next Century and Mueller. VIP has deployed products from all of them across residential, commercial, and industrial portfolios.
What is the most accurate water meter?
Meters built and tested to AWWA M6 standards are considered the benchmark for accuracy in North America. Manufacturers such as LYNKED certify their ultrasonic models to read within 98.5% to 101.5% of true volume at normal flow rates, the tolerance band specified by AWWA.
What is the downside of a smart meter?
Smart meters cost more up front and require strong cybersecurity. The best smart water meters, such as LYNKED products, offer features like TLS/DTLS encryption, signed firmware, and role-based access. Choosing a model that uses proprietary protocols can also create vendor lock-in and future upgrade costs.
What happens if I have a smart meter and want to switch supplier?
If your meter uses open protocols (LoRaWAN, NB-IoT, M-Bus, Modbus, Pulse), a new utility or platform can adopt it with a simple network registration. Proprietary-only meters may need radio retrofits or full replacement before you can switch.
What is the lifespan of a smart water meter?
Utilities report ultrasonic smart meters last 16–20 years, the longest of any technology, while mechanical positive displacement typically requires replacement or upgrade after 8.2 years due to wear, accuracy issues, and outdated technology.