Autonomous CO2 evaluation Real time recordings of CO2 levels Measures full suite of other environmental parameters About the EvaluatIR-M The EvaluatIR-A evaluation kit provides users with a convenient way to evaluate the GSS CozIR®-A CO2 sensor in an easy-to-use battery-powered package. Inside, the CozIR®-A sensor uses patented NDIR solid-state LED optical technology to deliver consistent and accurate CO2 measurements. Software Interface Download Records to download = 16421 Download (•) All Records 0 Records Dowloaded Q Last | ~| The EvaluatIR-A evaluation kit measures and records CO2 over a 0-1% range as well as relative humidity, temperature, and barometric pressure. The evaluation kit connects to a PC via a USB port and includes software that allows the user to download the recorded data, in a format suitable for import into Excel or other data analysis tools. All recorded data is time-stamped allowing users to easily analyse CO2 sensor behaviour. The evaluation kit will operate for up to 12 months on 2 x AA batteries (not included). In the Kit • EvaluatIR-A Module • USB Cable • Protective Carry Case Take a measurement every 600 seconds Switch on C02 Sensorfor 8 seconds per measurement The C02 Measurement will NOT be compensated for pressure variation The C02 sensor will autocalibrate eveiy 8 days assuming a backround level of 450 ppm Batteiy Charge Memory Used Product Flyer - Revision 1.3, 3 May 2021 Page | 1 For regular updates, sign up at https://gassensing.co.uk Copyright © 2021 Gas Sensing Solutions Ltd.

Measurement Ranges Electrical and Mechanical Specifications Product Flyer - Revision 1.3, 3 May 2021 Page | 2 For regular updates, sign up at https://gassensing.co.uk Copyright © 2021 Gas Sensing Solutions Ltd.