Digital Lora GPRS Home Use Ultrasonic Water Flow
Meter Features: - Low starting flow rate, minimum flow rate 1/3 of traditional water
meter.
- Ultrasonic signal quality detection.
- Water temperature detection, low temperature alarm.
- Support optical, RS485, Lora, NB and wired & wireless M-bus
communication interfaces.
- Photosensitive button, IP 68 design, longtime under water working.
- Installation at any angel, no influence for measurement accuracy.
- No moving part, no wear, long-term stable operation.
- Compile to drinkable water standard requirement.
- Complies to MODBUS RTU and EN 13757 communication protocol.
| Nominal Diameter DN (mm) | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | | Nominal Diameter Q3 (m3/h) | 25 | 40 | 63 | 100 | 250 | 400 | 630 | 1000 | | Min flow rate Q1 (L/h) | 50 | 80 | 126 | 200 | 500 | 800 | 1260 | 2000 | | Pressure loss class △P | 25 | | Flow rate maximum reading (m3) | 99999.99999 | | Accuracy class | Class 2 | | IP grade | IP68 | | Maximum working pressure | 1.6MPa | | Temperature class | T30/T50/T70 optional | | Battery lifetime | ≥ 10 years | | Power supply | 3.6V lithium battery | | Environment & mechanical condition | Class C | | Electromagnetic compatibility | E1 | | Heat (cooling) carrier | conduit is full charged with water | | Installation mode | at any angle |
| Nominal diameter DN (mm) | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | | L (mm) | 200 | 200 | 225 | 250 | 300 | 350 | 450 | 500 | | H (mm) | 220 | 227 | 257 | 266 | 310 | 400 | 452 | 496 | | H1 (mm) | 65 | 70 | 90 | 102.5 | 134 | 165 | 197 | 222 | | W (mm) | 125 | 125 | 125 | 125 | 125 | 125 | 125 | 125 | | B (mm) | 130 | 140 | 180 | 200 | 268 | 330 | 394 | 445 | | n x φD1 | 4 x φ18 | 4 x φ18 | 8 x φ18 | 8 x φ18 | 8 x φ22 | 12 x φ22 | 12 x φ26 | 12 x φ26 |
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