NB-IOT Water Meter_Changde Water Meter

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info@changdewm.com

+86731 82299365

Smart water meter
Mechanical water meter
Communication equipment
Auxiliary accessories

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No.9 Gangzhong West Road. Changde, China

Info@Changdewm.com
Marketing@Changdewm.com

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Changde Water Meter

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Products

NB-IOT Water Meter

Model：

LXLY-15-25

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Product features

Main technical parameters

Shape dimension & figure

1.Data transmitted through NB-IoT, safe and reliable

2.The mechanical & electrical separation structure, easy maintenance & replacement

3.The design of double Hall sensor can realize the forward and backward metering of water meter, ensure the complete synchronization of mechanical & electrical separation type, and there is no accumulative error.

4.Long time battery life, 6 years ;

5.Report magnetic interference, low voltage, abnormal alarm to meter reading platform

Diameter（DN）mm	15	20	25
Overload flow rate （Q4）m³/h	3.125	5	7.785
Normal flow rate （Q3）m³/h	2.5	4	6.3
Transitional flow rate （Q2）m³/h	0.05/0.04	0.08/0.064	0.126/0.1
Min. flow rate （Q1）m³/h	0.032/0.025	0.05/0.04	0.078/0.063

Measure range（Q3/Q1）	80/100
Measurement grade	Level 2
Working GHz	470-510Mhz/800Mhz
Working pressure	≤1 M Pa
Pressure loss	△P63（≤0.063M Pa）
Operating Temp.	Cold water (T30):0.1℃~30℃	Hot water (T30):0.1℃~90℃
Flow profile sensitivity grade	U10,D5
Climate & mechanical environmental safety levels	Class B
Electromagnetic compatibility level	E1
Quiescent current	≤25uA
Working Voltage	3.6V lithium battery
Waterproof Level	IP68

Accuracy:

Low region max. allowable error:

From Q min inclusive up to but excluding Qt is±5%.

High region max. allowable error:

From Qt inclusive up to and including Q max is±2%.

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Diameter(DN)	Length (mm)	Width (mm)	Height(mm)		Connection thread
Diameter(DN)	L	W	H1	H2	d	D
15	165	88	119	144	R1/2	G3/4B
20	195	88	119	144	R3/4	G1B
25	225	88	119	144	R1	G1 1/4B

Diameter(DN)	Length (mm)	Width (mm)	Height(mm)	Connection thread
Diameter(DN)	L	W	H	d	D
15	165	91	142	R1/2	G3/4B
20	195	91	142	R3/4	G1B