GL-TGC Online Gas Chromatography Analyzer

Product description

Integrated with functions of natural gas composition analysis, physical properties calculation and pipeline environment monitoring, online gas chromatography analyzer (here in after referred to product) is characterized by high accuracy, high reliability, strong augment ability and easy maintenance with independent intellectual property rights. This product can be widely utilized for gas composition analysis in city gas, petroleum, chemical, electrical and metallurgical industries and for fields such as trade settlement of energy.


  •  Rapid response,C6+ analysis time < 120s
  • Repeatability ≤ 0.25BTU@1000BTU comply with international standard ISO 6976
  • Comply with Chinese standards GB/T 11062-2020, GB/T13610-2020
  • Support up to 3 channels of sample gas
  • With 2-channel serial communication, optional wiring method (RS-232/RS-485), that support Modbus RTU protocol
  • Support 4G wireless communication
  • Explosion-proof class Ex D IIB+H2 T4 Gb
  • Protect class IP66

Technical Specification

Application fields Natural gas, liquid natural gas, coal gas, Biological gas
Analysis type Component analysis:C6+ or C9+(optional)
Gas analysis range N2 : 0.01~100%

CO2 : 0.01~100%

C1: 0.01~100%

C2: 0.01~100%

C3: 0.01~100%

iC4: 0.01~10%

nC4: 0.01~10%

neo-C5: 0.01~2%

iC5: 0.01~2%

nC5: 0.01~2%

nC6: 0.01~2%

Repeatability 0.25BTU@1000BTU
IP protection IP66
Dimension 400*430*215
Weight < 35kg
 Ambient parameters
Ambient temperature 5℃ ~ 40℃
Storage temperature -20℃ ~ 50℃
Relative humidity ≤ 95%
Compliance standards and certifications
Compliance standards ISO 6976 GB/T 11062-2020 GB/T13610-2020
Explosion-proof class Ex D IIB+H2 T4 Gb
Communication ports
Analog output 2 ports 4mA ~ 20mA
Analog input 2 ports 4mA ~ 20mA
Digital output 2 ports Solenoid step signal
Digital input 2 ports Solenoid step signal
Communication ports RS485 2 RS485 or RS232 interfaces with Modbus RTU
Ethernet Ethernet interface, supporting Modbus TCP / IP
Remote communication 4 4G/5G
Power rating
Supply voltage 24V DC
Power consumption ≤ 300W
Data storage 
Historical data Analysis and calibration data were stored for 85 days
Warning messages Store up to 500 warning messages
Event log Store up to 500 event logs
Gas channel options  
Sample gas Input pressure 1bar~1.5bar,supports up to 3 channels
Calibration gas Input pressure 1bar~1.5bar
Carrier gas Input pressure 5bar~5.5bar,typically 99.999% helium gas
Note:If the concentration of gas components exceeds the above range or other components, please consult the manufacturer  


  • Coal mine
  • City gas
  • Metallurgy
  • Chemical and electric power

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