With rech. battery and calibration protocol Mains unit 100-240 V for mains operation or charging the battery in the instrument Modular flue gas probe, immersion depth: 300 mm, Ø 8 mm Combustion air temperature probe, immersion depth: 190 mm Hose connection set for separate gas pressure measurement IRDA printer Flexible probe shaft, 330 mm long, Ø 10 mm, Tmax 180 °C Basic system case for instrument, probes and accessories