Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of sts prepaid water meter dn15~25 in China. If you're going to wholesale high quality sts prepaid water meter dn15~25, welcome to get pricelist and quotation from our factory.
Product Description
STS water meters are primarily used to measure and manage water consumption, especially in prepaid metering systems, following the Standard Transfer Specification (STS), an international standard widely used in prepaid metering systems for utilities such as electricity and water.
The STS water meter operates on a proprietary encryption algorithm, providing high security for the water supplier and the customer.
This type of water meter has become increasingly popular in recent years due to its cost-effectiveness and high level of accuracy in measuring water usage.
Product Features
- The mechanical and electronic components are designed for separation, allowing easy replacement of the electronic part in case of issues.
- The battery compartment is detachable, facilitating battery replacement in later stages.
- Equipped with tamper-proof and disassembly alarm features to prevent water theft.
- The casing is made of special materials resistant to aging, high temperatures, and UV exposure, extending the product's lifespan.
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The CIU and the meter communicate via LoRa technology, with a maximum communication range of up to 400 meters.
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Supports wireless remote transmission, with daily water usage data automatically uploaded to the platform.
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The STS water meter has an automatic monthly descaling function to reduce valve scaling issues.
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Supports up to 10 different tiered water pricing settings to meet diverse management needs.
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Designed with a low-power circuit board to ensure low power consumption, extending battery life to over six years.
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Features a specially designed casing to prevent damage caused by direct sunlight exposure.
Product parameter
| ITEM | Details |
| Q3:Q1 | R100 |
| Nominal Diameter | 15 20 25 |
| Temperature grade | T30/T50/T90 |
| Pressure loss level | Δp63 |
| Protection level | IP68 |
| Electromagnetic environment level | E1 |
| Battery life | ≥6 years (26500 batteries) |
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Instructions for use
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Installation Notes
- Install the water meter in a horizontal position. This avoids measurement errors from tilting.
- The installation site should avoid direct sunlight and extreme temperatures. It should have a suitable ambient temperature around the water meter.
- Choose the right pipeline connection interface. It must secure the connection between the water meter and the pipeline.
- Follow our installation guide. We can provide expert help after your sale. Different STS water meter models may have different installation requirements. This is to prevent damage or malfunction from improper installation.
Meter electrical parameters
| ITEM | Details |
| Modulation method | LoRa linear frequency modulation |
| Power supply voltage | 3.0V~3.6V. |
| LoRa communication distance | no less than 1000 meters transmission distance (in open areas), and communication distance in residential areas no less than 300 meters |
| Operating temperature of electrical parts | -40℃~85℃ |
| Working humidity of electrical parts | 10% ~ 90% |
| Valve switch timeout waiting | 20 seconds |
| Valve blocking current | ≥260mA |
| Pulse sampling period | 0.25 seconds |
| The maximum instantaneous drive current of the valve | >800mA |
| Working frequency | 868MHz frequency band can float up and down ±10MHz. |
| Power consumption | static average current <30uA, maximum power consumption during meter reading <2mA (use ER26500 lithium sub-ion battery to read the meter once a day and have a service life of not less than 6 years). |
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