Madur GA-21plus

Portable gas analyzer base unit. Add sensors (Max 6 Electrochemical: O2, CO, NO, NO2, SO2, H2S, H2, Cl2, HCl; max 2 NDIR: CO2, CH4, CO, N2O; max 1 TCD: H2 and max 1 PID: VOC), probes, gas dryer