UK Alphasense dual gas carbon monoxide/hydrogen sulfide sensor (CO/H2S sensor) - COH-A1
The dual gas CO/H2S sensor provides an excellent solution in terms of dimensions and electrode structure. The use of a high-capacity filter on the CO working electrode completely eliminates cross-sensitivity to H2S, acid gases, and similar gases like SO2 and NOx. In portable instrument designs, the COH-A1 series sensors enable precise factory-level maintenance and field calibration for mixed gases, without concerns about incorrect CO channel adjustment.