Mains charger is an additional accessory for MAS-100 NT(R) air sampler. The MAS-100 NT(R) is the world's best-selling air sampler, designed to monitor air microbiology in cleanrooms and hygienically ultra-sensitive areas. Its high recovery rate is based on the Andersen impaction principle. An integrated airflow sensor compensates for differences in pressure and temperature in the environment. The Mains charger for MAS-100 NT(R) has an input voltage of 100 to 240 V AC (47 to 63 Hz, 1.5 to 0.7 A) and output voltage of 24 V DC +/-5% (2.7 A). The cable length varies depending upon the country.