he large illuminated display presents the 2 values simultaneously. Built-in data output (RS232) makes it simple to log data for longer time. Audible alarm is included . MaxMin Average as well as TWA and STEL measurements are also available. The carbon dioxide sensor’s gold-plated infra-red waveguide and diffusion membrane filter provides you great reliability, accuracy and long term stability.

he large illuminated display presents the 2 values simultaneously. Built-in data output (RS232) makes it simple to log data for longer time. Audible alarm is included . MaxMin Average as well as TWA and STEL measurements are also available. The carbon dioxide sensor’s gold-plated infra-red waveguide and diffusion membrane filter provides you great reliability, accuracy and long term stability.