GFM101 single channel analyser can be fitted with either single range infra-red carbon dioxide (CO₂) (0-10,000ppm or 0-10%) OR one electrochemical cell from the range of gases listed over:
The GFM111 dual channel analyser can be fitted with one infra-red carbon dioxide (CO₂) channel (either 0- 10,000ppm OR 0-10%) and one electrochemical cell from the range of gases listed over:
The GFM121 three channel analyser can be fitted with one infra-red carbon dioxide (CO₂) channel (either 0-10,000ppm OR 0-10%) and two electrochemical cells from the range of gas listed over.
The GFM130 instrument can be fitted with up to 6 gas channels including carbon dioxide (CO₂) (0-100%) or methane (CH₄) (0-100%). This analyser also offers full ATEX approval.