1.Core number: 2, 4 or 6 cores 2.Sheath material: SS321( ... : NiCr-NiSi, NiCrSi-NiSi, NiCr-Konstantan, Fe-Konstantan, Cu-Konstantan2). Core number: 2, 4 or 6 cores3). Sheath material: SS321(SS304 ... .Thickness of outer tube:0.69mm;7.Inner core element:Cu/CuNi;8.Diameter of core wire:0.91mm9.Limited length for piece ...