Zodiac Electronic & Scientific Corporation offers Four Beam Balance with Non Removable Sliding Mass. Zodiac Electronic & Scientific Corporation also manufactures various types of Electronic Instruments and Physics Instruments. The Four Beam Balance with Non Removable Sliding Mass, Model ZES 40, has total weighing capacity of 311g. The Four Beam Balance with Non Removable Sliding Mass has spring loaded zero adjust compensator and magnetic damping. This Beam Balance has pan diameter of 90mm with two pouring spouts and handle. This Beam Balance has stirrup height of 180mm. This Beam Balance has platform housed in the base for density determination.