Complaint
Smart ultrasonic water meter measurement of water consumption in households, apartment buildings and small commercial properties
1. DN15, DN20
2. Communication: M-BUS, RS-485, Pulse output, LoRa, LoRaWAN
3. R400/ R250
TECHNICAL SPECIFICATION:
Item | Parameter |
Meter Type | Ultrasonic Water Meter |
Nominal Diameter (mm) | DN15~DN20 |
Q3/Q1 | R400/ R250 |
Measured medium | Water, homogeneous liquid, and filled with measured pipes. |
Accuracy class | Class 2 |
Water pressure class | 1.6MAP ( 16 bar) |
Pressure-loss class | Δp40 |
Temperature class | T50 |
Installation position | H/V |
The installation sensitivity class | U10/D5 |
Electromagnetic class | E1 |
Environmental class | C |
Key-press | Magnetic induction key |
Types of Indicating device | LCD:9-digits, 0~99999.9999m³ |
Menu Contents | Instantaneous flow (m3/h), cumulative flow (m3), screen detection, table address, cumulative working time (h), date (year/month/day), caliber, software version |
Communication Interface | Photoelectric |
Power Source | Lithium battery ER26500(replaceable) |
Battery Voltage &Capacity | 3.6V , 8500mAh |
Life span | 10 years. |
IP code | IP68 |
Storage Temperature | -25ºC~+55ºC |
Cable length | 1.0 m |
FLOW RATE:
Parameter | Unit | Data value | |
Nominal Diameter |
| DN15 | DN20 |
Start flow rate | m3/h | 0.002 | 0.002 |
Qmin(Q1) | 0.00625 | 0.010 | |
QTransitional(Q2) | 0.010 | 0.016 | |
Qmax/permanent(Q3) | 2.5 | 4.0 | |
Qoverload(Q4) | 3.125 | 5.0 | |
Range ratio=Q3/Q1 |
| 400 | |
Temperature |
| T50 | |
Battery life | Year | >10 | |
DIMENSION
Nominal Diameter( mm ) | DN15 | DN20 |
Thread | G3/4B | G1B |
L(mm) | 165 | 195 |
H(mm) | 80 | 80 |
W(mm) | 85 | 85 |
WORKING CONDITION:
Water temperature: 0~50ºC
Water pressure: ≤16 Bar
