Audited Supplier
For this model, there is Class B, Class C, R160 for options.
Supply mobile phone App software to read Water Meter by LoRaWAN
Multi Jet Dry type
Material body: Brass
Sizes: DN15 to 20mm, (½" - ¾"), Available for cold water (50°C)
Accuracy: DN15 to 20mm, (½" - ¾"), Class B / Class C / R160
* Multi-flow calibre, small starting flow and high measurement accuracy
* Integrated module, low power design, measurement process is completed in the main body
* The meter is mainly measured in a non-magnetic way, and the charging can be done on the server or system
* Portable installation, no wiring required, no external power supply required
* Stable and reliable: Provides carrier-class reliability access, effectively supporting IoT applications and smart city solutions
* It supports multi-band communication, 868MHz, 923MHz and so on
* Built-in NFC function module, with mobile app terminal can easily and quickly modify parameters
* The mobile app supports DevEUI, APPEUI, and ABP/OATT mode changes for easy maintenance and management
* The mobile app supports the modification of the water meter base for easy maintenance
* 30-45 days of long time data storage
* Long-distance transmission, non-complex environment, transmission distance>1km
* Low power consumption, large capacity lithium battery, ER26500 (8500mAh) can be used, and the service life is 8-10 years
* IP68 waterproof design, three waterproof technology, to ensure that the water meter works properly in harsh environments
WIRELESS TECHNICAL INDICATORS
| Power supply | lithium battery |
| Power supply | 2.1V-3.6V |
| Working frequency | 865-868MHz/915-930MHz |
| Transmit power | 50mW |
| Battery Life | 10 years |
| (Once reading data per day) | |
| Receiver sensitivity | -132dBm |
| Dormancy current | 2.5uA |
| Average current | 18uA |
| Transmission distance | 3000m transmission distance(5Kbps) |
MAIN TECHNICAL DATA According to ISO4064 (GB/T778.1-1996) Standard
| Size | Class | Qs Overload flow | Qp Nominal flow | Qt Transitional flow | Qmin Min flow | Min reading | Max reading | |
| DN(mm) | Inch | m³/h | L/h | m³ | ||||
| 15 | 1/2" | A | 3 | 1.5 | 150 | 60 | 0.0001 | 99999 |
| B | 120 | 30 | ||||||
| C | 22.5 | 15 | ||||||
| 20 | 3/4" | A | 5 | 2.5 | 250 | 100 | 0.0001 | 99999 |
| B | 200 | 50 | ||||||
| C | 37.5 | 25 | ||||||
MAIN TECHNICAL DATA According to ISO4064 (GB/T778.1-2007) Standard
| DN SIZE | Mm Inch | 15 1/2" | 20 3/4" |
| Q4(m³/h) | 3.125 | 5 | |
| Q3(m³/h) | 2.5 | 4 | |
| R80 | Q2(L/h) | 50 | 80 |
| Q1(L/h) | 31.25 | 50 | |
| R100 | Q2(L/h) | 40 | 64 |
| Q1(L/h) | 25 | 40 | |
| R125 | Q2(L/h) | 32 | 51.2 |
| Q1(L/h) | 20 | 32 | |
| R160 | Q2(L/h) | 25 | 40 |
| Q1(L/h) | 15.625 | 25 | |
| Min reading(m³) | 0.00005 | 0.00005 | |
| Max reading(m³) | 99,999 | 99,999 | |
| Max pressure(MAP) | 16 | 16 | |
| Max loss(ΔP) | 63 | 63 | |
| Max temperature | T50 | T50 | |
INDICATING ERROR
At low zone is ±5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundary
At high zone is ±2% from transitional flow rate (qt) to overload flow rate (qs)
DIMENSIONS AND WEIGHT
| D | G¾B | G1B |
| L(mm) | 165 | 190 |
| B(mm) | 81 | 81 |
| H(mm) | 160 | 160 |
| Weight(kg) | 0.92 | 1.2 |
WORKING CONDITION
Water temperature:≤50ºC for cold water meter
Working pressure:≤1.6Mpa
