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Big diameter prepaid water meter with super system

wooden case
Place of Origin: 
Henan, China (Mainland)
Supply Ability: 
100000 Piece/Pieces per Month

Product Description

Measuring the volume of cold potable water passing through the pipeline
Work Conditions
Water temperature : 0.1 ℃- 40℃ Working Humidity : ≤ 93℃
Water pressure : ≤1.0 Mpa
Brief Introduction
RF Card Prepaid Water Meter is developed from dry-type basic Water Meter,
composed of microchip module, controlling valves, LED display, RF Card & reader,
and accounting management system.
1. The figure of water volume is displayed directly on screen
2. The water using could be controlled as prepaid method
Multi jet, dry dial; Brass body, electronic meter;
Battery life is more than 6 years based on low power consumption design, low battery
Accurate measure due to anti-jamming and magnetic features based on non-magnetic
sample patents technology;
  Item Function
Display LCD screen Display status of input water volume, surplus water 
volume, total volume, payment, closed, open, error,
 low battery, under attack
Digital show maximum total water volume 9999.9 m3
Water supply control Auto closes the valve when water volume is little, 
and open when inserting new prepaid card.
Low battery alarm Auto closes the valve when battery is low, prompt to
 change the battery
Auto Control Hardware security Auto closes the valve when the pulse line is cut off, 
and alarm under attack, which must repaired by 
Anti magnetic attack Auto closes the valve when strong magnetic close 
to the meter, need inserting card to reopen the meter
Power off detection Detecting the circuit after power up to check normal 
or not.
Waterproof Reading card as normal even the meter part is in 
Auto maintenance Automatic switch valve for discharge once a month
Water quota You can set a limit to use water. Unable to input 
water volume more than limit
Zero-crossing solution User information would feedback to the superior
 software for processing when the valve failure to
 close in zero-crossing. Extra water volume will be
Working features Moisture-proof pulse line The pulse output is not affected by moisture, data 
will record as normal.
Multi-application card The first inserting of card in a new water meter will 
write in Card No. User ID, Water Volume. A card
 would serve in a total of 4 set of cold water meter, 
hot water meter, heat meter and pure-water meter 
at the same time
Data Recovery When the meter is damaged, please insert the 
read-in card to collect user data and transfer data
 by inserting to a new meter
Initialization Remove all information in the meter by inserting 
Initialization card, and set the starting line of water 
Control card When the meter break down, please insert control 
card to detect fault or to force the valve open.
Card Reissue You can register a new card with original data if lost 
the user card
Technical standards: ISO4064,GB/T778,JB/T8802,JJG686,CJ/T133
 Valve Life : ≥5,000 times
 RF Card Life :≥100,000 times
Power Supply : 3.6V lithium battery, life≥6 year
Security : Unique Card per Meter, uncopiable
 Static Working Current (μA): ≤6
 Meter for hot water up to 90 ℃ is available, 93% RH.
 Vertical water meter of this type is available.
  Maximum permissible error
From the minimum flow rate Q1 to the lower zone of the transitional flow rate Q2 :≤±5%
From the transitional flow rate Q2 to the high zone of the maximum flow rate :≤±2%
Installation requirements
 Clean the foreign matter from the inside pipe.
 This kind of water meter couldn't be spoiled in the hot sun,humid,
freeze,chemistry,electronic pollution, easy for dismantle,reading, and credit the user card.
 Horizontal install/ Vertical install, the direction mark should in accordance with the
flow direction. Leave length about 6-12 times of the pipe diameter at the front of the
water meter, and length about 4-6 times of the pipes diameter at the back of the water
meter for the accuracy measurement.

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