... , easy to maintain, easy to repair. Instrument Specification:1. Structure:Modular Structure, including electronic balance, computer, printer ... furnace:LC: 0.0001% - 0.2%,HC: - 6%,LS: 0.0001% - 0.3%Tubular resistance furnace:C:0 ... SD≤1ppm or RSD≤1%,HC: RSD≤0.5%,LS: SD≤1.5ppm or RSD≤1.5%Tubular resistance furnace:LC ... : SD≤40ppm,HC: RSD≤0.5%,HS: RSD≤1 ...