The IMC-Biogas are examples for customer specific solutions which could be designed on basis of the IMC-8D or IMC-4D according to your requirements. High-precision Measurement of CH4- and CO2 We basically focus on the measuring principle of IR-Absorption, as only this principle ensures the high requirements for a precise and repeatable measurement and the high lifetime of minimum 5 years can be achieved. Durable O2-Measurement The build in sensor element offers a lifetime of more than 5