wireless communication lora ultrasonic water meter

Short Description:

Direct reading ultrasonic water meter is used for measuring, storage and display water flow.
Nominal Diameter: DN15~DN40
Application range: Tap-water pipe net system

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Features

Low starting flow rate, minimum flow rate 1/3 of traditional water meter.

Water temperature detection, low temperature alarm.

No moving part, no wear, long term stable operation.

Above 10 years shelf life.

Installation at any angel, no influence for measurement accuracy.

Ultrasonic signal quality detection.

Photosensitive button, IP 68 design, longtime under water working.

Support optical, RS485 and wired & wireless M-bus communication interfaces.

Complies to MODBUS RTU and EN 13757 communication protocol.

Compile to drinkable water standard requirement.

Key Technology Point

Display Description

Pressure Loss Curve

Technical Parameter

Nominal Diameter DN (mm)	15		20		25		32		40
Nominal Diameter Q3 (m3/h)	2.5		4		6.3		10		16
Min flow rate Q1 (L/h)	10	6.25	16	10	25.2	15.8	40	25	64	40
Pressure loss class △P	63		63		40		40		40
Flow arte maximum reading (m3)	99999.99999
Accuracy class	Class 2
Maximum working pressure	1.6MPa
Temperature class	T30/T50/T70 optional
IP grade	IP68
Power supply	3.6V lithium battery
Battery lifetime	≥ 10 years
Environment & mechanical condition	Class C
Electromagnetic compatibility	E1
Heat (cooling) carrier	conduit is full charged with water
Installation mode	at any angle

Dimension

Nominal diameter DN (mm)	15	20	25	32	40
L (mm)	165	190	260	260	300
L1 (mm)	97	97	97	97	97
L2 (mm)	255
H (mm)	91
H1 (mm)	31
W (mm)	90
Meter screw A (inch)	G 3/4B	G 1B	G1 1/4B	G1 1/2B	G 2B
Coupling screw B (inch)	R1/2	R3/4	R1	R1 1/4	R1 1/2