It is the first to be equipped with Automatic Temperature Compensation and Water Resistant (IP65) at the same time. Features include  Easy-to-Read, Easy-to-Hold, Smooth sampling, Easy disposal of sample from the edge, the improvement of hygiene aspect by employing the new type of grip, and well balanced structure

MASTER-α is made of metal while MASTER-Pα is made of plastic. The specifications are exactly the same. For salty and acidic samples, choose the plastic body, MASTER-Pα.