Zeta dual range precision balance with both 40g capacity x 1mg readability & 400g capacity x 0.01g readability. Includes a 4.5" (114mm) diameter weighing pan and push of a button internal calibration. Patented, rugged design with cast aluminum housing improves stability, accuracy and durability with 5 year warranty. It has user-friendly standard features for a wide variety of industrial and lab applications. Windscreen not included; circular and rectangular windscreens available, sold separately.