PRODUCTS
STS Prepaid Water Meter
Tengyue STS prepaid water meter system, including the customer interface unit (ClU) and prepaid smart water meter, are both integrated with the LoRa RF Wireless Communication Module. End users only need to input tokens via ClU to realize basic functions for example, input 20 digits recharge token to recharge the meter and input 2 digits data query token to query the parameters in the meter.
Available Sizes:DN15-DN25 (1/2”-1”)
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CHARACTERISTICS
- Insufficient water warning
- Low power consumption
- Emergency Water (overdraft)
- IP68 protection rating
- Anti magnetic tamper
- Multi payment type
- Pre-programmable low credit warning
- Magnetic field protection
- Brass / plastic meter body optional
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| Model | DN15 | DN20 | DN25 |
| Minimum Flow Rate, Q1 (m³/h) |
25 | 40 | 63 |
| 15.6 | 25 | 39.3 | |
| Permanent Flow Rate, Q2 (m³/h) |
40 | 64 | 100 |
| 25 | 40 | 63 | |
| Maximum Flow Rate, Q3 (m³/h) |
2.5 | 4 | 6.3 |
| Length (mm) | 165 | 195 | 225 |
| Width (mm) | 90 | 90 | 90 |
| Height (mm) | 126 | 126 | 126 |
| Temperature class | T30,T50,T90 | ||
| Materials | Brass | ||
| Metrological Class | Class 2 R100/160 |
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| Maximum Operation Pressure | 1.6 Mpa | ||
| Stream Field Sensitivity | U10/D5 | ||
| Protection Class | IP68 | ||
| Battery | 10/ 16 years service life | ||
| Environmental Requirement | E1/M1 | ||
| Interface & Communication
(optional) |
LoRa LoRaWAN |
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