The Bacharach CO2 Analyzer 2810 offers automatic pressure and elevation compensation. The product is said to store up to 850 CO2 readings in its memory. It uses an infrared sensor to monitor concentrations from 0 to 10,000 ppm , and can operate in sample draw or diffusion mode.
Bacharach, Inc., 625 Alpha Dr., Pittsburgh, PA 15328. Tel: 412-963-2000; Fax: 412-963-2091.