Up to 3 types of toxic gas sensors can be installed in one unit (3in1)
Up to 3 types of toxic gas detection at the same time: NH3 / HF / Cl2 / HCl / O3 / SiH4 / PH3 etc.
Gas sensor guarantee of up to 3 years: Equipped with next-generation high-performance gas sensors with excellent performance [※However, NH3 (2 years) / HF(1年) / O3(1年) / F2(1年)。 】