Ultrasonic Water Meter Overview
The S-UWM ultrasonic water meter is a smart metering solution based on the latest ultrasonic technology. With no moving parts, it is designed to maintain pinpoint accuracy throughout its service life. The meter supports precise measurement of very low flows, helping improve billing accuracy, data quality, and the reduction of non-revenue water.
Key Features of the Ultrasonic Water Meter
- High accuracy ultrasonic measurement
- Low starting flow down to 0.002 m3/h
- No moving parts
- IP68 protection class
- Leakage and burst alarm function
- Support for measuring excessive consumption and wasting water
- Little maintenance required after installment
- Remote reading support
- Long battery life up to 15 years depending on use and setup
Intelligent and Durable Design
The S-UWM features an intelligent design using 100% eco-friendly and durable composite material. The upper cover uses 6 mm thick tempered glass, and the shell cover is 2.5 mm thick. It is designed to be anti-ultraviolet, anti-aging, and resistant to weather conditions.
Long Service Life
The ultrasonic water meter is fitted with 4 lithium batteries with a total capacity of 14400 mAh and a voltage of 3.6 V. Battery lifespan is available in 10-year and 15-year options, depending on use and setup.
Display Information
The display content includes:
- Accumulation flow (m3)
- Instantaneous flow (m3/h)
- Medium temperature (℃)
Specifications
Available Sizes
- DN15
- DN20
- DN25
Pipe Size and Meter Size
- DN15: Pipe ID 17 mm, OD 26 mm; Meter size 130 x 117 x 77 mm
- DN20: Pipe ID 22 mm, OD 33 mm; Meter size 130 x 117 x 77 mm
- DN25: Pipe ID 28 mm, OD 41.5 mm; Meter size 175 x 117 x 77 mm
Flow Performance
- Overload flow rate: 3.125 m3/h for DN15 and DN20; 5 m3/h for DN25
- Permanent flow rate: 2.5 m3/h for DN15 and DN20; 4 m3/h for DN25
- Starting flow rate: 0.002 m3/h
- Instantaneous flow: 0 to 5.000 m3/h
- Measurement cycle: 0.25 s
- Dynamic range: R160, R250 optional
Pressure, Temperature, and Accuracy
- Water pressure rating: MAP10 (1.0 MPa), MAP16 (1.6 MPa) optional
- Pressure loss at Q3: △P40
- Water temperature: 1 to 50℃ default
- Maximum water temperature: 50℃ default, 70℃ and 90℃ optional
- Accuracy class: 2
- Ambient class: Class C
- Protection class: IP68
- Upstream/Downstream: U5, D3
Reading Range
- Maximum reading: 999999.999 m3
- Minimum reading: 0.00001 m3
Connection and Material
- Pipe material: Brass
- Connecting thread:
- DN15: G3/4B
- DN20: G1B
- DN25: G11/4B
Communication Options
The S-UWM ultrasonic water meter supports remote reading through the following communication options:
- M-bus
- NB-IOT
- LoRa
- LoRaWan wireless (optional)
Optional Wireless Valve for Remote Control
An optional wireless valve is available to work with the S-UWM for remote flow control. The water meter can send commands to the valve to turn on or turn off.
Wireless Valve Features
- Infrared communication
- Remote opening and closing of the valve
- Built-in two batteries
- 10-year battery lifespan
- IP68 protection
Wireless Valve Specifications
- Available sizes: DN15, DN20, DN25
- Size:
- DN15: 110 x 78 x 97 mm
- DN20: 110 x 78 x 99 mm
- DN25: 110 x 78 x 135 mm
- Connecting thread:
- DN15: G3/4B
- DN20: G1B
- DN25: G11/4B
- Pipe inner diameter:
- DN15: 15 mm
- DN20: 20 mm
- DN25: 20 mm
- Nominal pressure: 1.6 MPa
- Protection class: IP68
- Battery: 2 lithium batteries (ER18505)
- Battery lifespan: 10 years
- Valve type: Ball valve, stainless steel valve core
- Material: Brass
- Switching reaction time: <15
- Communication mode: Infrared
Applications
This ultrasonic water meter is designed for water measurement applications where high accuracy, low-flow measurement, remote reading capability, and long service life are required.
