- Phone
-
Address
No. 4, Third Street, Cuizhu Industrial Zone, Qianshan, Zhuhai City, Guangdong Province
Zhuhai Guoce Electric Energy Instrument Technology Co., Ltd
No. 4, Third Street, Cuizhu Industrial Zone, Qianshan, Zhuhai City, Guangdong Province
| Functional Features |
Automatic switchRecharge and open the valve to use water, close the valve without value, and automatically open and close the valve; Prepaid water fees do not require household meter reading or charging.
Encryption securityOne table (one household), one card, automatically generates and recognizes IC card passwords, the table card corresponds one-to-one and cannot be interchanged.
Anti magnetic interferenceWhen subjected to magnetic interference, the valve automatically closes and opens automatically after swiping the card.
early warningWhen the remaining water volume is less than the set value (set according to user requirements), the valve will prompt the user to close, reminding them to purchase water as soon as possible. At this time, swiping the card can open the valve to continue using water.
Automatic valve closingWhen the remaining water level is 0, the valve closes and water must be purchased before the valve can be opened.
Low power warningWhen the battery is low, the LCD screen displays low battery and prompts to replace the battery in a timely manner.
Low voltage shut-off valveAfter a low battery warning, the valve will close approximately one month later and the battery must be replaced before opening the valve to supply water.
Accumulation functionAfter purchasing water again and swiping the card, the remaining water will automatically accumulate; Accumulated water usage automatically accumulates continuously.
Power off memory functionWhen there is a power outage, the remaining water volume and cumulative water consumption are automatically saved.
liquid crystal displayThe LCD screen displays information such as cumulative usage, remaining water level, valve switch, power status, fault codes, etc.
Query displayThe monitor is normally closed, and swiping the user card displays the remaining water level and cumulative usage.
Anti blocking functionControl the program to automatically clean the valve and maintain its flexibility.
Auto wake upIC card automatically wakes up the water meter electronic system without the need for button wake-up, eliminating the possibility of wake-up switch failure.
Data write backThe user card can write back water meter data and read the working status of the water meter, including faults, in the management system.
Management card functionQuery cards and transfer cards are used by management personnel for querying and repairing.
long service lifeCan be read and written more than 100000 times, and data can be saved for more than 10 years.
Zero power consumptionThe static working current is zero, and the battery life is 8-10 years.
External batteryConvenient for maintenance personnel to maintain and operate; Designed with an anti disassembly mechanism, it is convenient to operate while also preventing malicious disassembly of the battery.
One Card DesignIt can achieve one card management of measuring instruments such as water meters, electricity meters, gas meters, and heat meters.
| Model Function Comparison Table |
| Model selection |
caliber | function code | function |
| LXSG-15~25 | DN15、DN20、 DN25 |
CRF | Electronic remote water meter (cold water, with valve control, IC card prepaid) |
| RCRF | Electronic remote water meter (hot water, with valve control, IC card prepaid) |
Example: LXSG-15 CRF represents DN15 caliber, cold water, with valve control, prepaid IC card.
LXSG-15 RCRF stands for DN15 caliber, with hot water, valve control, and prepaid IC card.
|
Technical parameters |
| Nominal diameter DN (mm) | 15 |
20 | 25 |
| Overload flow Q4 (m ³/h) | 3.125 | 5.0 | 7.875 |
| Common flow rate Q3 (m ³/h) | 2.5 | 4.0 | 6.3 |
| R=Q3/Q1 | 80, 100, 125, 160 (optional) | ||
| Range ratio | Q2/Q1=1.6 Q4/Q3=1.25 | ||
| unit of measurement | Cubic meter (m ³) or liter (L) | ||
| Temperature rating | Cold water T30, hot water T90 | ||
| environmental rating | Grade B | ||
| Electromagnetic environment level | E1 level | ||
| accuracy class | level 2 | ||
| Working water pressure | ≤1MPa | ||
| maximum permissible error | Maximum allowable error in low zone: ± 5% | ||
| Maximum allowable error in high zone | ± 2% when the water temperature is ≤ 30 ℃ | ||
| ± 3% when the water temperature is above 30 ℃ | |||
| material | Shell: ABS engineering plastic | ||
| Base table: Copper shell, plastic, cast iron | |||
| Valve: Copper, Plastic | |||
| Working power supply | DC 12V | ||
| Water meter billing method | amount of water | ||
| amount of money | |||
| 3-level ladder/4-level water price | |||
| Installation size |
| Nominal diameter DN (mm) |
long | wide | tall | High 1 | Connecting thread | pipe thread |
| L | B | H | H1 | G | R | |
| Mm tolerance: ± 1 | ||||||
| 15 | 165 | 86 | 114 | 190 | G3/4B | R1/2 |
| 20 | 195 | 86 | 114 | 190 | G1B | R3/4 |
| 25 | 225 | 86 | 114 | 190 | G11/4B | R1 |

Outline dimension diagram of water meter

Installation diagram of water meter
|
The product meets the standards |
GB/T 778-2018 "Drinking Cold Water Meter and Hot Water Meter"
CJ/T 133-2012 "IC Card Cold Water Meter"
CJ/T 166-2014 "Technical Conditions for Application of Integrated Circuit (IC) Cards in Construction Industry"
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