– Flue gas analyzer testo 300 with O2 and CO- sensors (15.000 ppm), NO upgradeable
– International mains unit
– Compact flue gas probe, 180mm, Ø 6 mm
– Spare dirt filter, compact probe, 10 off
– testo Bluetooth®  printer for testo 300
– Spare thermal paper
– instrument case testo (height: 130 mm)
– EasyHeat PC analysis software