Functions:
1.Remote Reading:Upload meter reading data periodic and timing;
2.Valve Control:Remote valve control(optional);
3.Pre-paid:Support pre-paid and pre-order quantity. Close valve if arrears;
4.Alerted System:Battery low voltage, reading data abnormal, alert when pre-paid amount or pre-order quantity reach the threshold by setting;
5.Big Storage Memory:Maximum save month-data for 24 months data and daily-data for 31 days;
6.Ladder Water Price: Basic price and ladder price can be set differently according different users;
| Item | Unit | Parameter | ||
| DN | mm | 15 | 20 | |
| Q4 | m³/h | 3.125 | 5 | |
| Q3 | m³/h | 2.5 | 4 | |
| Q2 | L/h | 50 | 80 | |
| Q1 | L/h | 31.3 | 50 | |
| Q3/Q1 | ≥80 | |||
| Pressure Lose Level | △P63 | |||
| Max Water Pressure(P) | 1Mpa | |||
| Water Pressure Level | MPA10 | |||
| Working Voltage | 3.6V | |||
| Temperature | T30(Cold Water), T90(Hot Water) | |||
| Humidity | ≤95% | |||
| Insulation Compressive Strength | 5000V | |||
Characteristics:
1.Long Life-time Battery: Standard ER26500 battery + SPC1520 battery make sure using time is 8 years at least.
2.Reading Technology: Direct reading technology makes sure data accuracy is 100%. 3.Flexible Uplink Frequency: Uplink cycle can be set up to meet management requirement of different users.
4.Design Patent of Battery Detachable Contruction: Battery can be changed individually.
Installation Size and Installation Diagram:
| DN(mm) | L1(mm) | L2(mm) | H(mm) | W(mm) | D |
| 15 | 165 | 255 | 125 | 89 | R1/2 |
| 20 | 195 | 295 | 125 | 89 | R3/R4 |
| 25 | 225 | 345 | 125 | 89 | R1 |
| Item | Parameter |
| Battery Voltage | ER26500+SPC1520 3.6V |
| Temperature | Normal:-25ºC~+70ºC Limited:-40ºC~+80ºC |
| Humidity | 0~98%RH |
| Local Maintence | 1 Line TTL 3.3V |
| Uplink Communication | NB-IoT/GPRS |
| ESD Protection Level | >10KV |
| Battery Life-time | ≥6 Years |
| Ingress Protection | IP68 |
