... control mechanism, hydraulic elevator, rollerconveyor and electrical control. Technical parameters: Weighing range: 1-2 ton / bag bag ... /min Relative Humidity: ≤ 80% Humidity:-100C-400C Technical Features 1. Ton bag packing machine isdesigned accordingto powder materialcharacteristics ... display and automatic peeled, auto zero, auto-correction features such as drop, high sensitivity and anti-interference ...