- for leakage testing of air conditioners that have been filled for test purposes with forming gas (forming gas = mixture of 5% Hydrogen H2 + 95% Nitrogen N)- allows quick and reliable leakage detection- microprocessor control with advanced digital signal processing- tricolor LED bar indicator- adjustable sensitivity- low battery indication- semiconductor gas sensor- flexible stainless probe, length: 40 cm- automatic zeroing and compensating of ambient concentration- sensitivity: less than 5 ppm- alarm method: buzzer, LED bar- battery life: approx. 7 hours (normal use)- automatic turn-off- batteries: 4 pcs. AA size- dimensions: 173 x 66 x 56 mm- weight approx. 400 g- warm-up time: approx. 45 sec.- operating temperature: 0 - 40°C- accessories: 4 pcs. batteries (AA), user manual, carry case