Ultrasonic Water meter (DN20)

Ultrasonic water meter is an all-electronic water meter, obtaining water flow rate by analyzing and processing water speed by detecting the time difference caused by the change of velocity when the ultrasonic beam propagates along or adverse current.
It has the characteristics of low start-up flow rate, wide range ratio and high measurement accuracy.
Without movable parts and flow resistant elements in the meter body, as well as impact of impurities in the water, the meter has a long service life.

Minimum Flow Rate Q1 (m3/h)	0.010
Transitional Flow Rate Q2 (m3/h)	0.016
Permanent Flow Rate Q3 (m3/h)	4.00
Overload Flow Rate Q4 (m3/h)	5.00
Flow Range Ratio (Q3/Q1)	400
Flow Sensor Type	Ultrasonic
Pressure	Can measure Static Pressure
Temperature Class	T50
Application Ambient temperature	0 – 55 0C
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

Resolution	1 L
Indicating Range m3	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
Electromagnetic Environment Grade	E1
Mechanical Environment Grade	M1
Environmental Class	O
Interface & Communication	LoRaWAN or NB-IoT