W&J Best Quality Analytical Balance Factory,Good product quality, reasonable price and high cost performanceW&J brand new automatic internal school analytical balance has a large touch color screen, five-sided fully transparent glass windshield. Using a new generation of electromagnetic force sensor, stable performance, small error. The balance has functions such as counting, multi-unit conversion, tare, zero tracking and so on. Fully automatic internal calibration, simple operation. Built-in RS232 or USB interface, you can connect to computers, printers and other equipment.