Valve controlled ultrasonic water meter

Valve controlled ultrasonic water meter

Products features

The features of this series of SMART ultrasonic water meter are summarized as follows:

■Unlimited installation Angle;

■Valve control integrated;

■Wide range ratio(R160/R200/R250/R400), High accuracy level, good stability;

■Multi transmission methods: Photoelectric、RS-485、M-Bus、LoRa、NB-IoT,etc.

■No mechanical transmission parts、wear-free.

■Low startup flow rate(Startup flow rate can reach 0.0015m³/h).

■With water temperature measurement function.

■The whole water meter is designed with IP68, which can work under water for a long time.

■ Micro-power technology, battery power (measurement cycle 1s, battery theoretical work more than a decade).

■ Highly intelligent self-checking capability, monitoring common problems such as empty pipes, air bubbles, transducer aging, battery undervoltage, abnormal water temperature (too high or too low), abnormal water volume (leaking or running water) and other problems (above functions are Optional), can adopt NB-IoT  technology, and push information to users at first time. 


Technical Parameters

Item 

Unit

Parameter 

Nominal diameter

mm

15

20

25

32

40

Overload Q4

m³/h

3.125

5

7.875

12.5

20

Permanent flowQ3

m³/h

2.5

4.0 

6.3

10

16

Range ratioQ3/Q1

R=200/R250/R400(The standard range ratio is R160, if need others, please mentioned )

Transitional flow-rateQ2

m³/h

0.02

0.032

0.05

0.08

0.128

Min flowQ1

m³/h

0.0125

0.02

0.0315

0.05

0.08

Accuracy 

Class 2

Temperature class

T30/T90

Nominal pressure

1.0MPa(Default )、1.6MPa、2.5MPa(Customized )

Pressure loss class 

△p63

Flow profile sensitivity level 

U10/D5

Climatic and mechanical environmental level

Class B

Installation method 

Horizontal installation or vertical installation (under water inlet) 

Battery 

34615 battery (default )/26500battery 


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