Prepaid Valve Control Water Meter with AMR Application

• Install: Horizontal
• Medium Temperature: Cold Water
• Level Measurement: B
• Counter Instructions: Digital
• Nominal Diameter: 15-50mm
• Application: Civil
• Model NO.: MJ-VC
• Principle: Speed of Water Meter
• Medium Pressure: General Water Meter
• Work Environment: Dry Water Meter
• 15~20mm: 1/2"~3/4"
• Transport Package: Pallets
• Specification: CE approval
• Trademark: NWM or OEM
• Origin: Nwm Ningbo, China
• HS Code: 90282010
• Production Capacity: 500, 000/Year

Product Description

 

NWM MJ-VC Wireless Valve Control Water Meter

is the water meter combined with integrated chip technology with optical sensors as well as communication module, realizing function of wireless remote data reading and remote valve control; It is a terminal by itself which does not need the help of intermediary transmission instruments such  as concentrator,data collector. It communicates with the network directly, it complies with ISO 4064:2014 standard, approved with BA Z-14-1131 ,it is used to measure the total amount of portable water passing through the pipeline and is a perfect choice for industrial or domestic water meter application in modern smart water management.
 

1. Technical Data

 

A. Dimensions and Weights

 

Size                                                                  Dn15                                                        Dn20
L (mm)	165	190
L1 (mm)	224	254
D (mm)	G3/4B	G1B
d (mm)	R1/2	R3/4
H (mm)	150	150
(mm)	103.3	103.3
Weight(Kg)	1.69	1.77
Weight added with tail piece(kg)	0.18	0.28

 

MJ-VC

1. Flow Relative Parameters

 

Size	mm	Dn15	Dn20
R	Q3/Q1	80
Q4	m3/h	3.125	5
Q3	m3/h	2.5	4
Q2	l/h	50	80
Q1	l/h	31.3	50
Ks (Start flow rate)	l/h	<15	<20
Max. Reading	m3	9999.9999
Remote Max.Reading	m3	9999.99
Min. Reading	Liter	0.1
Remote Min. Reading	Liter	10L
Max. Pressure	MAP	MAP16
Max. Temperature	ºC	0.1<T< 50
Pressure Loss		<0.063Mpa
Installation position		Horizontal

1. Accuracy Curve

 

1. In the lower zone (Q1≤Q≤Q2), maximum permission error is ±5%
2. In the upper zone (Q2≤Q≤Q4): maximum permission error is ±2%( T≤30˚C)

maximum permission error is ±3% (30˚C <T≤50˚C)

1. Electrical Parameters

 

Description                                                              Parameters
Working Voltage	3.0~3.6V
Data Acquisition Mode	Photoelectric direct reading
Electronic resolution	10L
Communication Method	LORA/CDMA/GPRS
Working Frequency	TX:410-414.975MHz;RX:420-424.975MHz
Modulation Method	OPSK/OQPSK
Transmit Power	24+6/-1dB @conduction typical value
RX Sensitivity	≤-106dBm @conduction typical value
Communication Distance	Under Moving signal coverage
Sleep Current	≤15µA
Waterproofing Class	IP68

MJ-VC

1. Functions

 

Description
Automatic data uploading Re-uploading data Timed peak uploading shifting Remote valve control Special communication frequency regulation Intensive data collection	31 group of daily data record 18 group of monthly data record Low voltage alarm Abnormal photoelectric alarm Valve fault alarm Abnormal uploading alarm