GP400 has a built-in pump and supports manual switching between pump-suction mode and diffusion mode, allowing users to choose the most suitable detection method for different applications. Our G90 is a portable diffusion-type 4-gas detector with a compact and rugged design, making it suitable for confined space entry, industrial safety inspections, and personal gas monitoring.
O2:0-30%vol,
H2S:0-100ppm,
CO:0-1000ppm,
LEL:0-100%lel