Ultrasonic Water Meter S-UWM

Ultrasonic Water Meter S-UWM
Description/Diameter Unit DN15 DN20 DN25
Pipe Size mm ID 17mm
OD 26mm
ID 22mm
OD 33mm
ID 28mm
OD 41.5mm
Pipe Material Brass Brass Brass
Meter Size mm 130x117x77 130x117x77 175x117x77
Overload Flow Rate m3/h 3.125 3.125 3.125 3.125 5 5 5 5
Permanent Flow Rate m3/h 2.5 2.5 2.5 2.5 4 4 4 4
Transitional Flow Rate m3/h 0.025 0.016 0.016 0.025 0.04 0.0256 0.0256 0.04
Minimum Flow Rate m3/h 0.015 0.01 0.01 0.015 0.025 0.016 0.016 0.025
Starting Flow Rate m3/h 0.002
Connecting Thread inch G3/4B G1B G11/4B
Pressure Loss at Q3 △P40
Dynamic Range R160, R250(optional)
Water Pressure Rating MAP10(1.0MPa), MAP16 (1.6MPa)(optional)
Water Temperature 1-50℃ (Default)
Accuracy Class % 2
Ambient Class Class C
Protection Class IP68
Measurement Cycle S 0.25
Battery 4 lithium batteries (ER18505) 3800mAh capacity for each (it is 14400mAh in total), Voltage 3.6V
Battery Lifespan Year 10, 15 (optional)
Display Content Accumulation flow(m3); Instantaneous flow(m3/h); Medium temperature(℃)
Maximum Reading m3 999999.999
Minimum Reading m3 0.00001
Instantaneous Flow m3/h 0~5.000
Communication M-bus, LoRa/ LoRaWan wireless(Optional)
Water Temperature (Maximum) Default 50℃ (70℃, 90℃ optional)

S-UWM is a smart water meter based on the latest ultrasonic technology. The meter has no moving parts and maintains its pinpoint accuracy throughout its entire lifetime of up to 15 years.
The meter has industry-leading low flow accuracy to ensure that even very low flows are measured down to the very last drop. This secures a fair and correct billing, improves the quality of your data and helps you to reduce Non-Revenue Water.

Features and Benefits

  • High Accuracy
    The S-UWM ultrasonic water meter has a low start flow down to 0.002m3/H which ensures that even very low flows are measured.
  • Alarm function for Leakage & Burst
  • Intelligent Design
    The S-UWM is made from 100% Eco-friendly and durable composite. The upper cover is 6mm thick tempered glass, the shell cover is 2.5mm thick. It is anti-ultraviolet, anti-aging, strong weather resistance.
  • Measuring Excessive Consumption & Wasting Water
  • Long lifetime
    The S-UWM Ultrasonic Water Meter is fitted with 4 lithium batteries with capacity 14400mAh.
    Depending on use and setup, the lifetime is up to 15 years.
  • Little Maintenance
    In general, it is no need maintain after installment
  • Communication
    The S-UWM Ultrasonic Water Meter supports remote reading through the following

Structure Of The Ultrasonic Water Meter

Water Meter S-UWM_4

Wireless Valve For Remote Control


It is worked well with S-UWM to control the flow remotely.
In fact S-UWM send the command to valve to turn on or turn off

Water Meter S-UWM_5


– Infrared communication
– Opening and closing of the valve could be controlled remotely
– Build-in two batteries, 10years lifespan
– IP68 protection.

Ultrasonic Water Meter+ Infrared External Valve

Description/Diameter Unit DN15 DN20 DN25
Size mm 110x78x97 110x78x99 110x78x135
Connecting thread G3/4B G1B G1/4B
Pipe inner diameter mm 15 20 20
Nominal pressure MPA 1.6
Protection class IP68
Battery 2 Lithium batteries (ER18505)
Battery lifespan Year 10
Type of valve Ball valve, Stainless steel valve core
Material Brass
Switching reaction time < 15
Communication mode Infrared

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