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Changzhou Ruixin Electronic Technology Co., Ltd
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Changzhou Ruixin Electronic Technology Co., Ltd

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    137-0612-2102

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    3rd Floor, Block A, Building 2, Gaoxin North Science and Technology Park, Changzhou City, Jiangsu Province

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LXSYF315 photoelectric direct reading remote valve controlled water meter

NegotiableUpdate on 05/03
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Overview

Overview: This product is a rotary wing, multi beam, liquid sealed or dry photoelectric direct reading remote water meter used to measure and control the total volume of water flowing through the tap water pipeline. The selected materials comply with the hygiene standards for drinking water measuring instruments, and all performance indicators meet the technical requirements of GB/T778-2007 (equivalent to ISO4064), Ministry of Construction CJ/T188-2004 "Technical Conditions for Data Transmission of Household Instruments", Ministry of Electric Power DLT645-2007 "Communication Protocol for Multi functional Energy Meters", CJ/T244-2012 "Electronic Remote Water Meter" and other standards. Integrated electric valve, realizing remote on/off valve, commonly used for water payment, water stoppage due to arrears, or other places that require remote water restriction.

Product Details

Both water and gas meters use photoelectric direct reading absolute coding method, which automatically remembers the position of the code wheel without initialization; Directly reading the counter code disk reading of the meter, which is the "reading window value", without the secondary measurement process of cumulative pulses and converted values, and without cumulative errors. Implemented direct reading of data from the meter wheel, ensuring complete consistency between meter measurement data and backend data.

The electronic parts inside the meter do not have any mechanical contact with devices such as the digital dial, which does not affect the measurement accuracy and does not change the display mode of mechanical measurement.

Adopting advanced encoding technology and position recognition algorithms, it ensures accurate recognition of the number displayed on the character wheel code disc, completely solving the problem of accurate recognition of carry caused by mechanical asynchrony when multiple character wheel code discs rotate simultaneously.

Adopting a reflective photoelectric signal acquisition method, the 4-digit character wheel code wheel digits are directly recognized, eliminating the phenomenon of reading confusion caused by the use of software discrimination for the thousand digit character wheel.

Adopting M-BUS bus technology and low-power design, there is no need to distinguish positive and negative polarities, no need for external power supply, and a dedicated collector provides instant power supply for reading.

RS485 communication interface can be selected, with optoelectronic isolation design, and the collector can be shared with smart meters. It requires a switch power supply for power supply.

All measuring instruments have a unique ID number when they leave the factory, and complete production, commissioning, use, and maintenance records are established.

Fully sealed design, good waterproof performance, can work normally when immersed in water.

Not susceptible to external strong magnetic attacks, with extremely high anti-interference performance; Effectively solve the problems of water meter inversion and water hammer.

project unit Parameters
Nominal diameter mm 15 20 25
Overload flow Q3 m3/h 3.125 5 7.875
Common traffic Q4 m3/h 2.5 4 6.3
Boundary flow Q2 m3/h 0.04 0.064 0.1008
Minimum flow Q1 m3/h 0.025 0.04 0.063
Range ratio Q3/Q1 R=100
accuracy class Level 2
temperature grade T30/T50/T90 (standard T30, if you need to order other temperature grades, please provide them when placing an order)
Nominal Pressure 1.0MPa
working environment -10℃ ~55℃ , ≤ 100%RH
Pressure loss level <0.063MPa
Flow profile sensitivity level U10/D5
Climate and mechanical environment level Grade B
Protection level IP68
power supply RS485: DC6V~14V MBUS:DC32V~42V
quiescent current Static RS485:<lma; MBUS:1.5mA
Communication transmission rate 2400 B/S (optional 1200, 4800, 9600)
Valve opening and closing time Less than 10 seconds


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