Variety

Graduation mark (old)

Dia
(mm)

Grade

Temperature
range
℃

Uneven
thermo-emf
μv

Thermo-emf
μv

Applicable conditions

Standard

PtRh10-Pt

S

0.07~
0.5

Ⅰ

0~1400

PtRh10
9

Pt
3

419.527℃
3447±10

630.63℃
5553±10

1084.62℃
10575±12

Oxidization atmosphere, short-term use in a vacuum. φ ≤ 0.10mm wire as temperature probe for quick measurement, measuring molten steel, molten iron temperature。

GB/T3772-
1998

Ⅱ

18

6

3447±14

5553±16

10575±32

PtRh13-Pt

R

0.07~
0.5

Ⅰ

0~1400

PtRh13
10

Pt
3

419.527℃
3611±10

630.63℃
5934±12

961.78℃
10003±13

1084.62℃
11640±14

GB/T1598-
1998

Ⅱ

20

6

3611±16

5934±18

10003±31

11640±37

PtRh30-
PtRh6

B

0.07~
0.5

Ⅱ

600~1700

PtRh30
10

PtRh613

1100℃
5780±27

1200℃
6786±31

1400℃
8956±39

1500℃
10099±43

GB/T2902-
1998

Ⅲ

20

25

5780±54

6786±62

8956±79

10099±87