Smart Ultrasonic Water Meters

Techincal Specifications

Size 

DN15

DN20 

DN25 

DN32 

DN40

Minimum Flow Rate Q1 (m3/h) 

0.0063 

0.010 

0.0157 

0.025 

0.040

Transitional Flow Rate Q2 (m3/h) 

0.010 

0.016 

0.0252 

0.040 

0.064

Permanent Flow Rate Q3 (m3/h) 

2.50 

4.00 

6.30 

10.00 

16.00

Overload Flow Rate Q4 (m3/h) 

3.125 

5.00 

7.875 

12.50 

20.00

Flow Range Ratio (Q3/Q1) 

400

Flow Sensor Type 

Ultrasonic

Pressure 

Can measure Static Pressure

Temperature Class 

T50

Application Ambient temperature 

0 – 55 °C

Pipe Materials 

Brass

Metrological / Accuracy Class 

Class 2

Sample Rate 

8Hz

Working Pressure Range 

from 0.3 bar to 16 bar

Pressure Losses 

16

Flow Profile Sensitivity 

U0 D0

Pressure Loss 

△63

Protection Class 

IP68

Display Indication 

LCD

Size 

DN15

DN20 

DN25 

DN32 

DN40

Resolution 

1 L

Indicating Range m

999999.999

Position/Installation 

Any position  

(Horizontal or Vertical)

Battery Lifespan 

≥ 12 years

Power Consumption 

Less than 28 µA

Flow Data Storage 

Accumulation Flow (90 days)

Reverse Flow 

Meters not designed to measure reverse flow but provide alarm on detecting reverse flow

Electromagnetic Environment Grade 

E1

Mechanical Environment Grade 

M1

Environmental Class 

Interface & Communication 

LoRaWAN or NB-IoT

Meter Data Management (MDM)

Central Monitoring Station

Complete Billing & Analysis Solution

Support centralized Server/mobile App based water consumption monitoring

Comply with all drinking water supply, municipal department requirements

MID Certified, ISO 4064-2014 and FCRI Certified 

Dimensions

Nominal size 

[mm] - DN 

DN15 

DN20 

DN25 

DN32 

DN40

[inch] 

1/2" 

¾” 

1” 

1 ¼” 

1 ½”

Length[mm] - L 

110/165 

130/190 

260 

260 

300

Height [mm] – H2 

97 

97 

115 

115 

117

Width [mm] - W 

90 

90 

90 

90 

90

Connection - G 

¾” G 

1” G 

1 ¼” G 

1 ½” G 

2” G