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Zhuhai Guoce Electric Energy Instrument Technology Co., Ltd

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    No. 4, Third Street, Cuizhu Industrial Zone, Qianshan, Zhuhai City, Guangdong Province

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Electronic remote water meter (photoelectric direct reading large-diameter) LXSG-32~500

NegotiableUpdate on 03/11
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Overview

Product model: LXSG-32~500 Product introduction: Horizontal spiral wing dry cold water (hot water) detachable water meter is an instrument used to measure the total volume of water flowing through the tap water pipeline, with a signaling function. Suitable for measuring drinking cold or hot water respectively, cannot be used for sewage and corrosive liquids. This meter is a dry magnetic coupling transmission, and the measuring mechanism of the meter can be removed for maintenance without disassembling the water meter. It has the characteristics of easy maintenance, intuitive reading, and accurate measurement.

Product Details

Functional Features
  • Due to the direct reading of character wheel data, compared with traditional pulse remote water meters, there is no need to set parameters such as meter base number and meter constant, and there is no cumulative reading error. The mechanical and electronic readings remain completely consistent, and there is no situation where the two readings are inconsistent due to cumulative error or water meter inversion;

  • Adopting a low-power design, power is only required for reading.

  • Adopting advanced data encoding and verification methods, the communication reliability is high.

  • Combined with the upper computer system, establish a remote automatic meter reading management system to truly achieve meter reading and management automation.

  • The electronic reading device does not affect the measurement accuracy of the original instrument.

  • Each table has a unique address code, bus connection, and simple wiring.

  • The direct reading remote water meter with valve control can also be remotely controlled by management software to stop or restore water supply by opening and closing the water meter valve.

  • Meet the design requirements for electromagnetic compatibility of electronic products such as EMC, ESD, EMI, etc., and achieve industry-leading levels.




Model Function Comparison Table


model
caliber function code function
LXSG-32~500

DN32、DN40、DN50、

DN65、DN80、DN100、

DN125、DN150、DN200、

DN250、DN300、DN400、

DN500

ZT Photoelectric direct reading water meter (cold water, RS485)
RZT Photoelectric direct reading water meter (hot water, RS485)
ZCT Photoelectric direct reading water meter (cold water, with valve control, RS485)
RZCT Photoelectric direct reading water meter (hot water, with valve control, RS485)
ZM Photoelectric direct reading water meter (cold water, M-BUS)
RZM Photoelectric direct reading water meter (hot water, M-BUS)
ZCM Photoelectric direct reading water meter (cold water, with valve control, M-BUS)
RZCM Photoelectric direct reading water meter (hot water, with valve control, M-BUS)


Example: LXSG-32 ZCT represents DN32 caliber, cold water, photoelectric direct reading, with valve control RS485。

LXSG-32 RZCT stands for DN32 caliber, with hot water, photoelectric direct reading, and valve control RS485。



Technical parameters


Nominal diameter DN (mm) 32
40 50 65 80 100 125 150 200 250 300 400 500
Overload flow Q4 (m ³/h) 12.5 20 31.25 50 78.75 125 200 312.5 500 787 1250 2000 3125
Common flow rate Q3 (m ³/h) 10 16 25 40 63 100 160 250 400 630 1000 1600 25
R=Q3/Q1 80, 100 (optional)
Range ratio Q2/Q1=1.6 Q4/Q3=1.25
unit of measurement Cubic meter (m ³) or liter (L)
ambient temperature -15°C~55°C
Ambient relative humidity <90%.
ambient humidity (0-95)%RH
Temperature rating Cold water T30, hot water T90
environmental rating Grade B
Electromagnetic environment level E1 level
accuracy class level 2
water pressure ≤1.0Mpa
water quality Tap water, direct drinking water, domestic hot water
Working power supply DC 12V
communication interface RS485/M-BUS (optional)
Display mode Mechanical cumulative display
Communication transmission rate 1200~9600 bps




Installation size


diagram

Nominal diameter

DN

(mm)

long wide tall Connecting flange
L B H

flange outer diameter

D1

Center of bolt hole

Circular diameter D2

Connecting bolts
Mm tolerance: ± 1
(1) 40 200 152 205 152
110 4×M16
(1) 50 200 165 239 165 125 4×M16
(1) 65 200 185 247 185 145 4×M16
(1) 80 225 200 257 200 160 8×M16
(1) 100 250 220 316 220 180 8×M16
(1) 125 250 250 326 250 210 8×M16
(1) 150 300 285 374 285 240 8×M16
(1) 200 350 340 401 340 295 8×M20
(1) 12×M20
(1) 250 450 395 465 395 350 12×M20
(1) 405 468 405 355 12×M24
(1) 300 500 445 488 445 400 12×M20
(1) 460 498 460 410 12×M24
(1) 350 500 505 592 505 460 16×M24
(1) 400 600 565 663 565 515 16×M24
(1) 580 580 525 16×M27
(1) 500 800 670 765 670 620 20×M24
(1) 715 715 650 20×M30



diagram

Nominal diameter

DN

(mm)

L1 L2 L3 H W D
Mm tolerance: ± 1
(2) DN32 230
365 20 137 90 R1 1/4″
(2) DN40 245 274 21 180 120 R1 1/2″
(2) DN50A 245 395 25 180 120 R2″
(2) DN50B 280 430 25 190 130 R2″
diagram caliber L B H D
(3) DN50 280 135 195

Flange connection according to GB/T17241.2-1998

D=165 D1=125




水平旋翼可拆卸防堵塞式水表外形尺寸图.png

(1) Outline dimension diagram of detachable anti clogging water meter with horizontal rotor


水平安装直读式远传水表外形尺寸图.png

(2) Outline dimension diagram of horizontally installed direct reading remote water meter


水平安装直读式远传水表外形尺寸图2.png

(3) Outline dimension diagram of horizontally installed direct reading remote water meter





































The product meets the standards

GB/T 778-2018 "Drinking Cold Water Meter and Hot Water Meter"

CJ/T 224-2012 "Electronic Remote Water Meter"

CJ/T 383-2011 "Electronic Direct Reading Water Meter"

JJG 162-2019 "Verification Regulations for Drinking Cold Water Meters"

JJG 686-2015 "Verification Regulations for Hot Water Meters"

CJ/T 188 "Technical Conditions for Data Transmission of Household Measuring Instruments"

DL/T 645 "Communication Protocol for Multi functional Energy Meters"

Modbus RTU communication protocol