Reference Table For Air Quality Pollution Grade GoodMildModerateSevereSeriousHCHO0-0.10.101-0.20.201-0.50.501-1.01.001-1.999TVOC0-0.60.601-1.51.501-33..
【Features】1. The 3GHz NanoVNA vector network analyzer is based on OwOComm's S-A-A-2 design, and its performance is greatly upgraded.2. You can test t..
Features:The moving parts made of special wear mainly stainless steel,with good resistance and anti-rust properties.Simple structure,convenient and st..