Description Overview Machine is designed to test the exhalation and inhalation resistance of various types of masks Instrument complies with EN 149 and other standards for health masks Specifications Air flow meter range: 0 to 100 L/min Accuracy: 1% Digital differential gauge range: 0 to 1000 Pa Accuracy: 0.5 Pa Pumping capacity of pump: 100 L/min Measuring area: 490 mm Dimension: 500 x 500 x 1100 mm Voltage: 220 V and 50/60 Hz Display: Touch screen in English display