... operate, easy to maintain, easy to repair. Instrument Specification:1. Structure:Modular Structure, including electronic balance, computer, printer, ... tubular resistance furnace, vacuum cleaners.2. Infrared detection system:1) IR Cell: Standard configuration of measure scope is composed ... ~ 300 s5. Sample mass:High frequency induction furnace:0.1 g ~ 0.5 gTubular resistance furnace:400 mg (coal, ...