Bacharach Inc. offers a complete line of portable and fixed (stationary) HVAC-R instruments for various detection, measurement and monitoring applications. The Bacharach catalogue includes combustion analysers, leak detectors, refrigerant evacuation pumps, psychrometers, thermometers and refrigerant recovery systems. Bacharach combustion analysers determine the concentration of gas extracted from the duct of a combustion system and offer 10 standard fuel type calculations. These units feature a large LCD screen with a backlight for enhanced data viewing and B-Smart pre-calibrated CO (carbon monoxide) sensor that alert the user for replacement signals. Shop these analysers in CO measurement scales ranging from 0 to 4000ppm on Raptor Supplies.