Polarity：positive polarity is platinum-rhodium alloy wire（Platinum 90%，Rhodium 10%），Negative polarity is pure platinum wire.
Resistance ratio(Platinum wire at 100 ℃ and at 0 ℃)：R100/R0＞1.3920
wire diameter：ø0.5mm
total length：1025mm
Working side ball diameter：ø 1.2mm
Measure terminal temperature: 1084.88℃
TEP stability：≤5μv(1084.00℃)
accuracy：≥±1℃（Zinc-point, antimony point, copper points to fix）
