| Customization: | Available |
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| After-sales Service: | Online/ Video/ on-Site Guidance and Training |
| Warranty: | 1 Year |
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STS prepaid water meter is a smart water meter based on the Standard Transfer Specification (STS), primarily used for prepaid water usage management. It features high security, remote top-up capability, anti-magnetic interference, and data recording functions.
Encryption technology: Uses the STS international standard encryption algorithm to ensure the security of the 20-digit token transmission, preventing tampering or hacking.
Anti-magnetic interference: When external magnetic interference is detected, the water meter automatically shuts off the valve and records the event to prevent tampering.
Remote meter reading: Supports wireless communication such as LoRa, reducing manual meter reading costs and improving management efficiency.
IP68 protection rating: Waterproof and dustproof, suitable for harsh environments.
| Item | Unit | Details | |||
| Nominal diameter | mm | 15 | 20 | 25 | |
| Q3/Q1 | R100 | ||||
| Overload flow(Q4) | m³/h | 3.125 | 5 | 7.875 | |
| Nominal flow(Q3) | m³/h | 2.5 | 4 | 6.3 | |
| Transitional flow(Q2 | m³/h | 0.04 | 0.064 | 0.1008 | |
| Minimum flow(Q1) | m³/h | 0.025 | 0.04 | 0.063 | |
| Accuracy class | Class 2 | ||||
| Temperature class | T30/T50/T90 | ||||
| Pressure Loss classes | 0.63bar | ||||
| Flow prefile sensitivity class | U5/D3 | ||||
| environmental class | 0 | ||||
| Electromagnetic environment class | E1 | ||||
| Battery Lifetime | ≥6years (Depends on communication setting and switching valve frequency) |
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Maximum Admissible Pressure
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PN16
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