Core Functionality
Ultrasonic water meters utilize ultrasonic transit-time difference measurement technology to accurately monitor water consumption. Built-in ultrasonic sensors measure flow velocity in both downstream and upstream directions in real time, converting this data into precise flow volume readings . Unlike traditional mechanical meters, these devices contain no moving parts, eliminating mechanical wear, friction, and debris jamming issues that cause accuracy degradation over time .
Key functional capabilities include:
Bidirectional flow measurement – detects both forward and reverse flow with equal precision
Automatic Meter Reading (AMR) – enables remote consumption data collection without physical intervention
IoT connectivity – built-in NB-IoT, LoRa, LoRaWAN, M-Bus, RS-485, and 4G communication options support real-time data transmission
Proactive fault alerts – notifications for low battery, tampering, leaks, and system abnormalities
Self-diagnostic logging – internal data logging capacity supports system diagnostics and leak detection
Applicable Scenarios
Residential Applications
Household potable water consumption monitoring with high billing accuracy
Smart home integration and utility efficiency programs
Commercial Buildings
Office buildings, retail facilities, and service establishments requiring accurate consumption measurement for cost management and sustainability reporting
Light commercial customers with rapid fluctuations in water demand
Industrial Facilities
Manufacturing plants, processing facilities, and industrial complexes requiring precise water measurement for operational efficiency and environmental compliance
Heavy water clients requiring large-diameter metering solutions (DN 50-200)
Municipal & Utility Infrastructure
District metering ahead of residential networks to monitor water losses and identify non-revenue water (NRW), metering inaccuracies, or theft
Smart city infrastructure integration for centralized water management
Water treatment systems and distribution networks
Other Specialized Uses
HVAC systems and district energy networks
Irrigation systems and water-intensive agriculture
Temporary flow surveys and system diagnostics with clamp-on installation options
Specifications & Dimensions
Small Diameter Models (DN15 – DN40)
Physical Dimensions
Nominal Diameter Pipe Length (L) Connection Thread Height (H)
DN15 130/165 mm G¾B 123 mm
DN20 130/154/190 mm G1B 123 mm
DN25 225/260 mm G1¼B 152 mm
DN32 225/260 mm G1½B 152 mm
DN40 245/300 mm G2B 152 mm
Flow Range & Accuracy
Parameter Value
Accuracy Class Class 2 (ISO 4064)
High-Flow Error (Q2-Q4) ±2% max
Low-Flow Error (Q1-Q2) ±5% max
Starting Flow Rate <4 L/h (DN15-25); <8 L/h (DN32); <11 L/h (DN40)
Range Ratio (Q3/Q1) 125/160/200/250/315/400 (default 250)
Q3 Flow Rates DN15: 2.5 m³/h; DN20: 4 m³/h; DN25: 6.3 m³/h; DN32: 10 m³/h; DN40: 16 m³/h
Maximum Reading 99,999.999 m³
Minimum Reading 0.1 L (0.0001 L calibration)
Operating Conditions
Parameter Specification
Maximum Pressure MAP16 (1.6 MPa / 16 bar)
Temperature Rating T30 (0.1°C–30°C) / T50 / T70 options
Protection Class IP68 (fully submersible)
Working Environment -15°C to +55°C, RH ≤90%
Installation Position Horizontal or vertical (any position)
Power Supply 3.6V lithium battery
Battery Life 10–15 years
Communication Options
Optical (infrared) interface
RS-485 / M-Bus
NB-IoT / LoRa / LoRaWAN
4G / Pulse Radio Frequency
Large Diameter Models (DN50 – DN600)
Key Specifications
Parameter Specification
Nominal Diameter Range DN50, 65, 80, 100, 125, 150, 200, 250, 300, 400, 500, 600
Pipe Length 200–800 mm (varies by diameter)
Q3 Flow Range 25 – 4,000 m³/h
Range Ratio 160/250 selectable
Accuracy Class Class 2
Pressure Rating MAP16
Protection Class IP68
Working Environment -25°C to +55°C, RH ≤90%
Power Supply DC24V external
Installation Horizontal or vertical flange connection
Durability ≥6 years
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