9. Additional Information
75
DA-650/-645/-640
Density of pure water
Below chart shows density of pure water by 4-place equipment.
Temp
(°C)
Density
(g/cm
3
)
Temp
(°C)
Density
(g/cm
3
)
Temp
(°C)
Density
(g/cm
3
)
Temp
(°C)
Density
(g/cm
3
)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0.9998
0.9999
0.9999
1.0000
1.0000
1.0000
0.9999
0.9999
0.9999
0.9998
0.9997
0.9996
0.9995
0.9994
0.9992
0.9991
0.9989
0.9988
0.9986
0.9984
0.9982
0.9980
0.9978
0.9975
0.9973
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
0.9970
0.9968
0.9965
0.9962
0.9959
0.9956
0.9953
0.9950
0.9947
0.9944
0.9940
0.9937
0.9933
0.9930
0.9926
0.9922
0.9918
0.9914
0.9910
0.9906
0.9902
0.9898
0.9894
0.9889
0.9885
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
0.9880
0.9876
0.9871
0.9866
0.9862
0.9857
0.9852
0.9847
0.9842
0.9837
0.98312
0.9827
0.9822
0.9816
0.9811
0.9806
0.9800
0.9795
0.9789
0.9783
0.9778
0.9772
0.9766
0.9760
0.9754
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
0.9748
0.9742
0.9736
0.9730
0.9724
0.9718
0.9712
0.9705
0.9699
0.9693
0.9686
0.9680
0.9673
0.9666
0.9660
0.9653
Values of 0~40°C in this chart are based on calculations formulated by CIPM
(Comité international des poids et mesures; International Committee of
Weights and Measures) in regard to the density of SMOW (Standard Mean
Ocean Water); those of 41~90°C by IAPWS-95.
Summary of Contents for DA-640
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