IR31SE Datasheet | SGX

FEATURES - For detection of the following gases: o Carbon Dioxide (IR31 Series), o Hydrocarbons (IR32 series, IR33 series) - Gas concentration ranges: o 0 - 5% Carbon Dioxide (also suitable for 0 to 0.5%v/v) o 0 - 100%v/v Hydrocarbons (also suitable for 0 to 100%LEL) - 19.0mm sensor height - Low power - Reference channel for self-pensation on most types - Special gold plated optical gas cavity for stable signal levels - Operational in varying temperature, pressure and humidity - Fast response - Rugged stainless steel construction - No moving parts - Immunity from ‘poisoning’ - Reliable fail-safe operation OPERATION To operate, the sensors must be interfaced to a suitable circuit for power supply, output amplification and signal processing. Sensor outputs require linearisation and pensation for ambient temperature variation using algorithms in the system firmware. This is necessary for sensors to meet their full performance specification. An external temperature sensor will be required for temperature pensation. Further pensation for pressure changes can also be made in an algorithm, provided there is a suitable input from a pressure sensor. A set of Application Notes is available from the SGX Sensortech Ltd website, to explain more about NDIR gas sensing and provide advice for the end-user on interfacing the sensors and processing signals. TECHNICAL SPECIFICATION Mechanical Dimensions Body material Approximate...