GX-2009 - 4 Gasmonitor (O2/HC/CO/H2S -low) mit Ladegerät und Data logging Software Gas 1: O2 / 0-40 Vol.-% (Sensor OS-BM2C) Gas 2: HC / 0-100% UEG (Sensor NC-6264AZP kal. @ CH4) Gas 3: CO / 0-500 ppm (Sensor ES-1821) Gas 4: H2S / 0-30...