Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of ic card prepaid water meter dn15~25 for residential in China. If you're going to wholesale high quality ic card prepaid water meter dn15~25 for residential, welcome to get pricelist and quotation from our factory.
IC Card Prepaid Water Meter Description
For water utilities and property managers in emerging economies, the challenge is no longer just about metering water-it's about securing revenue and reducing non-revenue water (NRW) without costly infrastructure overhauls.
The IC Card Prepaid Water Meter DN15~25 For Residential represents a field-validated intervention for residential communities. Unlike traditional post-paid systems that bleed revenue through manual billing errors, estimated readings, and collection inefficiencies, this prepaid model introduces operational predictability at the consumer level. It shifts the risk of arrears from the supplier to the payment system, effectively creating a self-liquidating billing cycle.
For procurement officers, the key consideration isn't just the meter's accuracy, but its proven ability to perform in diverse field conditions-from the high humidity of coastal cities to the temperature extremes of inland regions. This is why our IC Card Prepaid Water Meter DN15~25 For Residential is engineered with a full-sealed IP68 housing and a battery rated for six years, ensuring reliable operation in standard outdoor pit installations without frequent maintenance interventions. By choosing this IC Card Prepaid Water Meter DN15~25 For Residential, utilities gain a durable, low-maintenance solution that delivers consistent performance and measurable revenue protection across thousands of households.
IC Card Prepaid Water Meter Technical Specifications
Product Profile
Product at a Glance
| Parameter | Specification |
| Nominal Diameter | DN15 / DN20 / DN25 |
| Accuracy Class | Class 2 |
| Turndown Ratio (Q3/Q1) | R100 |
| Ingress Protection | IP68 (Fully waterproof) |
| Battery Life | ≥ 6 years |
| Installation Orientation | Horizontal (H) |
| Temperature Class | T30 / T50 / T90 |
| Pressure Class | PN10 / PN16 |
| Certifications | MID (BSI Class B), OIML R49, STS, CE, ISO 4064, ISO 9001 |
Model Comparison
| Item | DN15 | DN20 | DN25 |
|---|---|---|---|
| Overload Flow (Q4) | 3.125 m³/h | 5.0 m³/h | 7.875 m³/h |
| Permanent Flow (Q3) | 2.5 m³/h | 4.0 m³/h | 6.3 m³/h |
| Transitional Flow (Q2) | 0.04 m³/h | 0.064 m³/h | 0.10 m³/h |
| Minimum Flow (Q1) | 0.025 m³/h | 0.04 m³/h | 0.063 m³/h |
| Turndown Ratio (Q3/Q1) | R100 | R100 | R100 |
| Accuracy Class | Class 2 | Class 2 | Class 2 |
Performance Evidence (Field Data from 2022-2025 Deployments)
| Metric | Data Source / Verification Method | Result |
| Collection Rate | Independent audit of 3 pilot cities | 98.6% – 100% over 24 months |
| Billing Disputes | Utility customer service logs | Reduced by an average of 82% within 6 months |
| Water Theft & Tampering | On-site inspection reports | Detected and eliminated in 97% of attempted cases 97% |
| Customer Adoption | Post-installation surveys | 91% user acceptance rate across 5,000+ households |
| Meter Accuracy Deviation | Third-party calibration lab tests | ≤ ±2% from Q1 to Q4 (verified per ISO 4064) |
Advantages of IC Card Prepaid Water Meter
The IC Card Prepaid Water Meter operates on a "pay first, use later" model-a fundamental shift from traditional post-paid approaches. As it has been used for 5 years in several countries as a prepaid metering system, its 100% collection rate has shown no overdue payments, and utilities have had tremendous cash flow improvements because they do not have the expense of collecting late payments or managing arrears.
The water use is electronically captured where it is used and then linked unchangeably to each home's IC card. This provides an accurate trail of data regarding how much water was used from the meter to billing. Because of this, there are no human errors, estimations, or missed meter readings, which are usually what cause disputes in billing between consumers and utility companies. As a result, the utility company will have a more reliable, equitable, and transparent bill for its consumers, thereby creating trust and decreasing administrative complaints.
All of the payment transactions for the smart prepaid water meter will be collected at designated service offices or self-service payment terminals by synchronizing the payment transaction data with each water meter in real time. This eliminates the need to read meters manually, generate paper bills, and make collections through door-to-door services. Each resident will have the ability to charge their prepaid water meter as it is most convenient for them, thus streamlining the process for all parties involved and providing an efficient, hassle-free solution.
Via the meter, real-time information regarding the remaining gallons, usage, etc., allows users to measure and adjust their daily consumption habits. Their case studies also show that visibility into water usage creates a better understanding of how their families use water, ultimately resulting in the continued awareness of water-saving practices for the family without having to implement punitive measures while achieving measurable results of lower consumption.
Success Stories
Project Case 1: Nairobi, Kenya – Curbing Illegal Water Connections
Background: Nairobi's informal settlements faced severe water losses, with non-revenue water exceeding 45% due to widespread illegal connections, tampered meters, and vandalized infrastructure.
Solution: S.H.Meters provided its IC card prepaid water meters in high-risk areas, adopting a "pay first, use later" model to eliminate unauthorized access and protect revenue streams.
Results:
Illegal connections reduced by over 80% in pilot zones equipped with S.H.Meters' solution.
Meter tampering and theft have been virtually eliminated through anti-tamper design.
Collection rates improved dramatically from below 60% to over 95% within 12 months.
Utility revenue stabilized, enabling reinvestment in network maintenance.
Project Case 2: Cape Town, South Africa – Managing Water Scarcity
Background: Cape Town faced critical water shortages during the severe drought, requiring immediate demand-side measures to reduce household consumption and avoid "Day Zero."
Solution: S.H.Meters supplied its smart prepaid metering solution, combined with escalating tiered tariffs to penalize high usage and real-time usage alerts to encourage responsible consumption.
Results:
Household water consumption decreased by an average of 18% across pilot communities.
Tiered pricing combined with usage visibility effectively penalized excessive use.
Residents adjusted their behavior through daily consumption feedback
Water resources extended, contributing to the city's successful avoidance of "Day Zero".
Project Case 3: Lagos, Nigeria – Improving Billing Efficiency
Background: Lagos faced chronic billing disputes and collection inefficiencies, with manual reading errors and estimated billing causing widespread customer distrust and revenue leakage.
Solution: S.H.Meters deployed its IC card prepaid water meters across residential communities, shifting to a transparent, pay-first model that eliminated estimation from the billing process.
Results:
Billing disputes are virtually eliminated with accurate direct-reading technology.
Revenue collection increased by over 40% in the first year of deployment.
Customer satisfaction scores improved significantly through transparent, predictable billing.
Operational costs for meter reading and manual billing were reduced by an estimated 70%.
Project Case 4: Mumbai, India – Reducing Water Waste in Dense Communities
Background: Mumbai's densely populated residential towers suffered from undetected internal leaks, shared meter disputes, and rampant water theft, with unaccounted-for water exceeding 40% in some wards.
Solution: S.H.Meters provided its IC card prepaid water meters for each household, enabling independent monitoring, automated leak alerts, and personal accountability for consumption.
Results:
Individual household leaks are detected and reported within 24 hours via real-time monitoring.
Disputes over shared building billing have been eliminated entirely.
Water theft was effectively curbed through individual metering accountability.
Overall, community water usage reduced by 22% within 6 months.
FAQ
FAQ
01. What is the performance of this type of meter in low-quality water (i.e., where there is much sediment and rust)?
02. Will our prepaid system be compatible with our current billing software?
03. How long does it take for most bulk residential projects to be paid off?
04. What after-sales support and warranty do you offer for large projects?
05. Does my country have any regulations or certifications?
06. Are we able to change the meter's appearance and turn it into our brand with logos?
About US
We provide one-stop water metering solutions for the world
Founded in 2013, S.H. Meters delivers smart and precision metering solutions through IoT and big data technologies, helping developing regions improve water resource utilization and reduce non-revenue water.
Our portfolio covers smart IoT water meters, ultrasonic meters, mechanical meters, test bench equipment, and AMR/AMI management systems. With international certifications (MID, OIML, STS, CE) and global sales networks, we serve private companies, municipal utilities, and public agencies worldwide.
Founded
years experience
Global Markets Served
Customer Support
Our Certificates & Compliance
Our Certificates & Compliance
Our IC card prepaid water meter series has undergone rigorous third-party audits and holds the following key certifications
MID Certification (Class B): Passed the MID 2014/32/EU directive audit conducted by BSI (British Standards Institution). Certification details and Notified Body information are publicly accessible in the EU NANDO database.
OIML Compliance: Conforms to OIML R49 international standards, ensuring global metrological mutual recognition.
STS Certification: Holds dual certification for both prepaid water meter products and software systems, complying with the international Standard Transfer Specification for secure and interoperable prepayment systems.
CE Marking: Meets all essential requirements of relevant EU directives and is duly affixed with the CE mark.
ISO 4064 Compliance: Product design and performance strictly follow ISO 4064, the core international standard for water meters.
ISO 9001 Quality Management: Manufacturing processes are certified under ISO 9001, ensuring consistent product quality and service reliability from R&D through to delivery.
Application Note
When evaluating prepaid meters for a residential project of 500+ units, we recommend going beyond the basic flow specifications to consider three critical operational factors.
Selecting water meters capable of effectively addressing these pain points will directly impact the project's long-term operating costs and user satisfaction.
Tamper Evidence
Our DN15-25 series uses a hall-effect sensor to detect and log magnetic tampering, providing an audit trail for enforcement.
Valve Reliability
Our motorized ball valve delivers 10,000+ cycle life for reliable shut-off, even with frequent low-balance alerts.
User Accessibility
Large-digit LCD and simple button interface make it elderly-friendly and reduce user training needs.
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