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Smart Residential Gas Meter – ZG-D-1.6~4
Key Features
- G1.6~G4, diaphragm gas meter
- EN1359, OIML R31/137 Standard
- Class 1.5, Vc=1.2dm³, Pmax: 50KPa, -25℃~55℃
- Steel shell, Pressure measuring point(Optional)
- With devices to prevent reverse flow and prevent the registration of reverse flow
- Integrated design of gas meter and valve
- Touch button, LCD and backlight
- Non-contact RF card prepaid
- Wired or wireless communication
- IP65 protection
Key Features
- G1.6~G4, diaphragm gas meter
- EN1359, OIML R31/137 Standard
- Class 1.5, Vc=1.2dm³, Pmax: 50KPa, -25℃~55℃
- Steel shell, Pressure measuring point(Optional)
- With devices to prevent reverse flow and prevent the registration of reverse flow
- Integrated design of gas meter and valve
- Touch button, LCD and backlight
- Non-contact RF card prepaid
- Wired or wireless communication
- IP65 protection
Main Functions
| Prepaid Functions | Support prepaid/postpaid mode, and it can be switched |
| RF card prepaid (Optional) | |
| Max.8 steps of gas tariff | |
| Anti-storage (purchase limitation) | |
| Insufficient gas warning | |
| Self-defined overdraft | |
| Communication | Wired M-BUS/RS485 |
| LoRaWAN/NB-IoT | |
| Wireless M-BUS (EN13757.4), Walk-by/Driver-by | |
| Protocol: EN13757.3, DLMS/COSEM, MODBUS-RTU | |
| Alarm and Event logs | Low-Battery detection & log |
| Overflow, continuous small flow and meter stop detection & log | |
| Leakage (continuous gas use, valve failure, etc.) detection & log | |
| Anti-tamper (open case, magnetic interference etc.) detection & log | |
| History data, such as hourly data, daily data, monthly data, etc. | |
| Event log, such as top-up, valve open/close, etc. | |
| Security | Data encryption, AES-128, STS |
| Communication security |
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