ZSA210DIW (Zeta series) dual range analytical balance with both 100 g capacity x 0.1 mg readability & 200 g capacity x 1 mg readability, with internal calibration. Includes a 3.5" (89mm) diameter weighing pan and windscreen (part #5000-61). Patented, rugged design with cast aluminum housing improves stability, accuracy and durability. 5 year warranty. It has user-friendly standard features for a wide variety of applications. Comes with analytical windscreen that reduces glare due to improved anti-reflective coating.