Model

t_k

℃

HP

t₀/℃

12.5

10

7

5

0

-5

-10

-15

-20

ZR34K3

30

2.83

11.73

10.8

9.78

9.13

7.64

6.34

5.20

4.21

3.37

40

10.74

9.90

8.95

8.35

6.98

5.77

4.72

3.82

3.04

50

9.73

8.96

8.08

7.53

6.28

5.17

4.21

3.38

ZR61KC

30

5.08

20.2

18.7

17.0

16.0

13.4

11.0

8.92

7.11

5.61

40

18.7

17.3

15.7

14.7

12.2

9.98

8.03

4.36

5.01

50

16.9

15.6

14.1

13.1

10.9

8.81

7.04

5.56

  ZR72KC

30

6

24.6

22.8

20.6

19.3

16.2

13.6

11.2

9.14

7.34

40

22.7

20.9

19.0

17.7

14.9

12.4

10.2

8.30

6.58

50

20.5

18.9

17.1

16.0

13.4

11.1

9.09

7.3

ZR125KC

30

10

4.28

39.4

36.0

33.2

27.8

23.2

19.1

15.6

12.6

40

3.93

36.2

32.7

30.5

25.6

21.2

17.4

14.1

11.2

50

3.56

32.8

29.6

27.6

23.1

19.1

15.6

12.4

ZR144KC

30

12

49.3

45.5

41.2

38.6

32.5

27.1

22.4

18.3

14.7

40

45.4

41.9

38.0

35.5

29.8

24.8

20.5

16.6

13.2

50

41.0

37.8

34.2

32.0

26.8

22.2

18.2

14.5

ZR28K3

30

2.3

9.84

9.07

8.21

7.66

6.42

5.32

4.36

3.54

2.83

40

9.02

8.31

7.51

7.01

5.86

4.85

3.97

3.21

2.55

50

8.17

7.52

6.78

6.32

5.27

4.35

3.54

2.84

ZR81KC

30

26.7

24.9

22.7

21.4

18.1

15.1

12.4

10.0

7.96

40

25.2

23.4

21.3

20.0

16.7

13.8

11.3

9.04

7.13

50

23.2

21.4

19.4

18.1

15.0

12.3

9.99

8.08