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• Using the patent technology of center cutting, back blowing and direct measurement of benzene, toluene, ethylbenzene, xylene, styrene and cumene;
• The sample was kept at 180 ℃ with no residue and high sensitivity;
• The instrument has power on self-test function, gas cut-off protection function, power-off automatic restart function and alarm function to ensure the safety and robustness of the system;
• The FID detector has the function of automatic ignition and wide output, and the linear range is 10-7;
• Automatic electronic flow technology (EPC) is used to control carrier gas, air and hydrogen, with high precision (0.01 psi), good repeatability and reproducibility;
• The core parts are all of international famous brands, reliable and high, long service life.

Petrochemical, spraying, printing and other emissions or factory boundary on-line monitoring.