One is LML (BSD) common type, made of copper and stainless steel, the surface is treated with anti-corrosion treatment, generally used without corrosive gas.
One is a common type of LML (BSDF), which is made of SUS304 stainless steel and can measure corrosive gases. High accuracy, intuitive reading, automatic monitoring
One is a common type of LML (BSDF), which is made of SUS304 stainless steel and can measure corrosive gases. High accuracy, intuitive reading, automatic monitoring