Testo 300 flue gas analyzer with O2 and CO sensor up to 4,000 ppm (0633 3002 70), USB mains unit, including cable (0554 1105), Compact basic flue gas probe, 180 mm, Ø 6 mm, Tmax. 500°C; 1.5 m hose; including cone for fixing (0600 9740), testo Bluetooth® Connector (0554 3004), 2 x clamp probes (NTC) for temperature measurements on pipes (Ø 6-35 mm) with fixed cable (cable length 1.4 m) (0615 5505), Pressure connection kit with 2 silicone hoses (Ø 6 mm and Ø 4 mm, each 1 m long) and measuring instrument adapter for testo 300 (0554 1203), Soft-case style Instrument bag (0516 3001). With this kit, you will be equipped for the most important measurements involving domestic heating systems: the testo 300 flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, pressure test accessory kit, 2 x pipe temperature clamp probes, Testo Bluetooth® Connector, instrument carry case, AC USB power supply. • Large 5” HD display with smart touch operation • Connect up to 4 smart probes via USB Dongle • Email/Bluetooth customer reports • Optional Printer and NO sensor • Domestic & commercial kits available