LXS 50~200 large caliber remote direct reading water meter (vertical screw wing detachable)

purpose

This water meter is used to measure the total amount of water flowing through pipelines and is a magnetic dry direct reading intelligent water meter.
This series of water meters is equipped with a direct reading and remote transmission module, using photoelectric direct reading meter reading technology to directly read the current dial reading, with a meter reading accuracy of 100%.

Normal working conditions

Working water temperature: Cold water gauge ≤ 30 ℃ Hot water gauge ≤ 90 ℃
Maximum working pressure: ≤ 1.0 MPa or 1.6 MPa


technical parameter

The
Note: The technical parameters comply with the national standard GB/T 778.1-2007.

Installation size and weight

Note: If there are special requirements for connecting flanges, please specify them when ordering.

G is the minimum size required for disassembling the movement.

Main performance parameters

Electromechanical conversion error ≤± 1 (minimum display division)
Electromagnetic compatibility performance:
Electrostatic discharge reactance interference level - Level 3
Radio frequency electromagnetic field radiation anti-interference degree - Level 2
Electrical fast transient pulse group anti-interference degree - Level 2
Surge impact anti-interference degree - Level 2

Electrical parameters and usage of direct reading intelligent water meter

Interface type:
RS-485 type - The interface follows the RS-485 communication standard and is a four wire system.
M-BUS type - interface follows Meter Bus communication standard, two-wire system.
Wiring method: RS-485 direct reading intelligent water meter (4-wire):
Red - Power+Brown -485-A
Black - Power - Yellow -485-B
Power supply voltage: 12VDC±15％
M-BUS type direct reading intelligent water meter (2-wire): The two wires of the communication interface do not need to distinguish polarity.
Communication parameters:
Baud rate: 2400bps (optional 1200, 4800, 9600)
Verification method: Even verification (optional no verification)
Data bit: 8 bits Stop bit: 1 bit
Table address: as indicated on the dial label
Communication protocol: Following the industry standards for urban construction in the People's Republic of China
Technical Conditions for Data Transmission of Household Measuring Instruments "CJ/T188-2004 or the DC/T645-1997 protocol of the Ministry of Electric Power; It can also be customized according to user needs.