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 years. As known from other standard O2 sensor elements lifetime is not affected by the CO2 content of biogas.

Persistent H2S-Measurement
The procedure used by us is also persistent against high H2S-concentrations. A two-stage concept protects the electro-chemical sensor element. Up to the end value of measuring range of 3000 ppm we decrease the load of the sensor without reverting to an incorrect dilution of measured gas. In case of concentrations
exceeding the end value of measuring range the sensor is flushed with air at the beginning of the next measuring cycle.