SS-300-HF Extractive Laser Analysis System adopts TDLAS Tunable diode laser absorption spectroscope to measure HF concentration. It adopts special heated sampling probe which is able to work in high-temperature and high dust conditions, and hot & wet sampling system with little gas loss caused by gas condensing. Compare in-situ type gas analyzer, the extractive system has the advantages of no requirement of installation conditions, easy maintenance, little pollution to mirror, suitable for dirty sampling point with high dust.It is used for online monitoring of organic waste gas emissions and organic waste gas recovery for chemical, printing, pharmaceutical, rubber, spray coating, electronic semiconductors, synthetic leather and so on.