Overview

Water Sub Meter for Apartments is an ultrasonic water meter specifically designed for residential use, featuring cutting-edge technology. It seamlessly integrates smart wireless communication, advanced data analysis, and exceptional metrological performance, resulting in a significant reduction of non-revenue water and increased utility benefits. Water Sub Meter For Apartments has innovative design, holds a design lifetime of 15 years which is longer than normal mechanical water meter's. With its non-moving parts, it maintains stable accuracy and requires zero maintenance throughout its entire lifespan. It achieves a maximum allowable pressure (MAP) of 16 bar, thanks to its utilization of high-quality imported engineering plastics with exceptional strength and pressure resistance.

Main Features

Wide Dynamic Range Options: R250/R400/R500/R800
U0/D0 Compatibility
Lowest Flow Rate: 2L/h
Unaffected by Impurities and Magnetic Fields
15+ Years of Design Life Time
Easy to Install: Vertical or Horizontal Installation
No Air Measurement
IP68 Protection Rating
MID B+D Certification
OIML Certification
Water Quality Test Report

Main Functions

Accurate Metering: Utilizes ultrasonic technology for precise measurements.
Data Recording: Records accumulated volume, alarm/event logs, etc. The storage duration is configurable.
Local Optical Port: Meter parameters and readings can be accessed using an optical tool.

Technical Parameters

Type	U-WR2
Size	DN15	DN20	DN25
Range and Capacities
Q3	1.6/2.5 m³/h	2.5/4.0 m³/h	6.3 m³/h
Q4	3.125 m³/h	5.0 m³/h	7.875 m³/h
Q2	8 L/h	12.8 L/h	12.6 L/h
Q1	5 L/h	8 L/h	7 L/h
Qstart	2L/h
Dynamic Range	R250/R400/R500/R800
Standard	ISO4064:2014/ OIML: R49-2013
Electrical
Battery	3.6V, Li-battery
EMC	E1
Mechanical
Environmental Classification	Class O
Protection Class	IP68
Medium Temperature	0.1~50℃(T50)
Storage Temperature	-25~60℃
MAP	1.6MPa
Metrological
Accuracy	±5% in range Q1≤Q＜Q2 ±2% in range Q2≤Q≤Q4
Head Loss	0.4bar @ Q3	0.25bar @ Q3	0.4bar @ Q3
Communication
LoRa RF	LoRaWAN Class A
NB-IoT	Standard
Pulse Output	Customized
M-Bus/wM-Bus	Standard

Dimension

Separate Water Meter For Tenants

DN	L(mm)	Meter Thread	Pipe Thread	Extension Pipe Used	L2(mm)	H(mm)	H1(mm)
15	110	G¾B	R½	None	82	16	82.2
	115	G¾B	R½	None	82	16	82.2
	130	G¾B	R½	None	82	16	82.2
	165	G¾B	R½	None	82	16	82.2
	170	G¾B	R½	None	82	16	82.2
20	110	G1B	R¾	None	82	18.5	83.2
	115	G1B	R¾	None	82	18.5	83.2
	130	G1B	R¾	None	82	18.5	83.2
	190	G1B	R¾	None	82	18.5	83.2
	195	G1B	R¾	None	82	18.5	83.2
25	110	G5/4B	R1B	None	82	21.8	87.2
	150	G5/4B	R1B	None	82	21.8	87.2
	200	G5/4B	R1B	None	82	21.8	87.2
	225	G5/4B	R1B	None	82	21.8	87.2
	260	G5/4B	R1B	None	82	21.8	87.2

Why Choose Us

Fully Equipped Production Facilities: Our production facilities are modern and equipped with state-of-the-art machinery. This enables us to manufacture products with high precision and efficiency.
Full Certification: We have obtained all the necessary certifications and compliance requirements for our products. Such as: MID Certification, ATEX Certification, Quality, Environmental, Occupational Health and Safety, Intellectual Property management system certification, and so on.
OEM and ODM: We offer OEM and ODM options. This flexibility allows us to meet specific customer requirements and deliver tailored solutions.
High Quality: We select the best quality raw materials to produce our products, from incoming raw materials to finished products,our quality inspection ensures that each stage meets the highest standards of quality.

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Water Sub Meter For Apartments