We Manufactures Precision Balances for weighing from 1200gm to 4000gm with accuracy from 0.01gm. Â 1. Electro-magnetic force compensation technology. 2. Standard bi-directional RS-232 interface . 3. Accumulation of weight in memory. 4. Multiple Weighing units. 5. Stand by mode for low consumption of power. 6. Membrane key pad with tactile switches.