Shenzhen Jizhuoxin Communication Technology Co., Ltd
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JZX812B Concentrator
Automatic detection of airborne signal strength, automatic networking, fast meter reading, and powerful functions
Product details

JZX812B concentrator is a concentrator developed for gas meter wireless automatic meter reading and billing system. It is installed on the meter reading site and is an important component of the spread spectrum wireless automatic centralized meter reading communication system. It can be directly connected to a PC and controlled through the meter reading software on the upper computer. It sends meter reading commands to the JZX801A router collector and receives meter data uploaded by the JZX801A router collector to achieve local area network meter reading function. It can also be integrated with GPRS to achieve ultra long distance data transmission. The JZX812B concentrator directly manages the JZX801A routing collector and does not directly control the meter end.


Functional features:

*The concentrator module has a low transmission power, with a maximum transmission power of 50MW, which meets the national standards for the meter reading industry.
*Adopting LORA spread spectrum communication technology, the wireless operating frequencies of 433MHz and 490MHz are integrated, providing 16 communication channels. Users can easily switch their operating frequencies through the upper computer configuration software, improving anti-interference ability in various environments.
*Send networking commands to JZX801A routing collector to form a meter reading communication path.
*Can detect the signal strength of JZX801A routing collector and concentrator, facilitating on-site debugging and installation.
*The communication path can be manually configured and saved in the concentrator.
*Can query the communication paths formed and saved by self-organizing networks or manual configurations.
*Issue commands for reading gas meters and controlling on/off valves.
*Using standard Modbus protocol for communication.


Technical specifications of JZX812B concentrator

Modulation method: LoRa
Working frequency: 433MHz/490MHZ
Transmission power: 50mW(17dB)
Receiving sensitivity:- 139dBm
Emission current: 118mA (typical value)
Receiving current: 14mA (typical value)
Sleep current: No sleep function
Channel rate: 300/600/1200/2400/4800/9600/19200Bit/s
Serial port speed: 1200/2400/4800/9600/19200Bit/s
Interface type: TTL
Interface data format: 8E1/8N1/8O1
Working power supply: 220V
Working temperature: -20℃~75℃
Working humidity: 10% to 90% relative humidity, no condensation
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