• RS485 Opto-electrical AMR gas meter

RS485 Opto-electrical AMR gas meter

 Forlong RS485 Photoelectric Remotely Reading Gas Meters use very advanced micro-electronics technology. 

Product Details

Quick Details


Forlong RS485 Photoelectric Remotely Reading Gas Meters use very advanced micro-electronics technology. It owns lots of features, such as high integrated level, high measure accuracy, low power consumption, numbered rollers display, convenient installing etc. This technology is very good for domestic gas meter and industrial gas meters.
This meter, through transmission type optical-to-electrical transducing, reads value of the numbered rollers in mechanical meters immediately. With photoelectric encoder technology, we treat each numbered rollers as a code wheel, the five infrared receiver tubes receive the infrared light sent from the numbered rollers and causes electrical level fluctuation to form a group of 5 digits code. After decoding, these codes will be sent to the computer and displays the same number in the numbered rollers of mechanical meter.
Power sauce:
Volt: DC12V±2V
Current: 0.6mA
Working Environment: Temp: -5-+45℃
Humidity: 0-95%RH
Accuracy Grade: ISO4064 (Grade B)
Communicating Method: RS-485/MBUS
Transmitting Frequency: 1200baud
Max Communicating Distance: 1200m

Company Profile

 SHANGHAI FENGYILONG ELECTRONIC CO., LTD. was founded in Pudong, Shanghai in 1995. With 15 years development, Fengyilong becomes a global manufacturer and exporter of energy meter and intelligent water meter. as is a member of China Electrical and Electronic Instrumentation Technology Standardization Committee, FENGYILONG was granded with the title of “China innovative interperise 2010 ”.


Since the foundation, Fengyilong products have been closely associated with high quality technological developments in measurement instrument and AMR system. The energy meter product series includes  active/reactive energy meter,prepaid energy meter, Modbus energy meter,M-bus energy meter, PLC energy meter,multi-tariff energy meter, multi function energy meter.


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