PS model
Perfect for shipping and receiving, warehouse, and industrial use, The digital shipping scales come in different models with capacities ranging from 6 to 150 kilograms).  they're the perfect low cost solution for your weighing needs.
PS parcel scale measures force and weighs object by high-precision strain pressure transducer, processes data by microcomputer, and displays data by LCD monitor. Its merits are simplicity of operator, short-time of measuring, precision and stability. PS parcel scale is widely used for measuring parcel and object by units and individuals
PS-15     15kg x 0.005kg/33lb x 0.01lb
PS-30     30kg x 0.01kg/66.1lb x 0.02lb
PS-60     60kg x 0.02kg/132lb x 0.05lb
PS-150    150kg x 0.05kg/330lb x 0.1lb
* Large Stainless Steel Platform
* Platform size: 355x405mm
* RS-232 port
* Dimension: 355*405*42mm, 
* AC adapter; 110 or 220V AC, 50/60Hz or 4×AAA Batteries