The testo 300 flue gas analyzer is ideal for the most important measurements involving heating systems. It combines decades of experience in measuring technology with contemporary smart-touch operation, robust construction and e-mailing of reports. The testo 300 enables easy measurement of flue gas, draught, pressure, ambient CO and differential temperature. â?¢ Intuitive measurement menus and the fast-response Smart-Touch display ensure easy operation â?? as on your smartphone â?¢ Including O2 and CO sensor up to 4,000 ppm â?¢ Large 5-inch HD display â?? see all the system's measuring values at a glance â?¢ Creation of documentation directly on site and e-mailing of reports Rs 94,452.00