China Factory for Smart Water Flow Meter - WM9100-EV Prepaid Ultrasonic Water Meter – Lanry Detail:
Description
Features
Technical Parameter
WM9100-EV Residential Prepaid Ultrasonic Water Meter
Nominal Diameter: DN15~DN25
Product Features
With functions of self-diagnosis, flow sensor Alarm, Temperature Sensor Alarm, Over Range Alarm and battery under voltage alarm
With optic electric interface, hand-held infrared meter reading tool can read directly
Support swiping card to recharge and manage system remote valve control.
Low consumption design, battery can continuously work for 10 years
Bi-directional measuring forward and reverse flow
According to sanitary standard for drinking water
Technical Parameter
Max. Working Pressure | 1.6Mpa |
Temperature Class | T30 |
Accuracy Class | ISO 4064, Accuracy Class 2 |
Body Material | Stainless SS304(opt. SS316L) |
Battery Life | 10 Years(Consumption≤0.3mW) |
Protection Class | IP68 |
Environmental Temperature | -40~+70℃,≤100%RH |
Pressure Loss | ΔP25(Based on different dynamic flow) |
Climatic And Mechanical Environment | Class O |
Electromagnetic Class | E2 |
Communication | Wired M-bus, RS485; Wireless LoRaWAN |
Display | 9 digits LCD display volume, flow rate, power alarm, flow direction, output etc. |
Connection | Thread |
Flow Profile Sensitivity Class | U5/D3 |
Data Storage | Store the latest 24 years’ data including day, month and year, The data can be permanently saved even powered off |
Frequency | 1-4 times/second |
Digital Display
Measuring Range and Dimensions(R250)
Nominal Diameter | Permanent Flow Q3 | Transitional FlowQ2 | Minimum Flow Q1 | Installation without connection accessories(A) | Installation with connection accessories(B) | L | L1 | H | Length of connection accessories(S) | W |
DN(mm) | (m3/h) | (m3/h) | (m3/h) | mm | mm | mm | mm | mm | ||
15 | 2.5 | 0.016 | 0.010 | G¾B | R½ | 165 | 135 | 82 | 53.8 | 96 |
20 | 4.0 | 0.026 | 0.016 | G1B | R¾ | 195 | 157 | 90 | 60 | 100 |
25 | 6.3 | 0.040 | 0.025 | G1¼B | R1 | 225 | 165 | 96 | 70 | 100 |
Measuring Range and Dimensions(R400)
Nominal Diameter | Permanent Flow Q3 | Transitional FlowQ2 | Minimum Flow Q1 | Installation without connection accessories(A) | Installation with connection accessories(B) | L | L1 | H | Length of connection accessories(S) | W |
DN(mm) | (m3/h) | (m3/h) | (m3/h) | mm | mm | mm | mm | mm | ||
15 | 2.5 | 0.016 | 0.006 | G¾B | R½ | 165 | 135 | 82 | 53.8 | 96 |
20 | 4.0 | 0.026 | 0.010 | G1B | R¾ | 195 | 157 | 90 | 60 | 100 |
25 | 6.3 | 0.040 | 0.016 | G1¼B | R1 | 225 | 165 | 96 | 70 | 100 |
Product detail pictures:

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The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.

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