Handheld Ultrasonic Flow
meter - -
Table A6: Sound Speed in Water at atmosphere pressure. Unit
：
t (ºC) v (m/s)
t
v
t
v
t
v
t
v
0
1402.3 25 1496.6 50 1542.5 75 1555.1
1
1407.3 26 1499.2 51 1543.5 76 1555.0
2
1412.2
27 1501.8 52 1544.6 77 1554.9
3
1416.9 28 1504.3 53 1545.5 78 1554.8
4
1421.6
29 1506.7 54 1546.4 79 1554.6
5
1426.1 30 1509.0 55 1547.3 80 1554.4
6
1430.5 31 1511.3 56 1548.1 81 1554.2
7
1434.8 32 1513.5 57 1548.9 82 1553.9
8
1439.1 33 1515.7 58 1549.6 83 1553.6
9
1443.2 34 1517.7 59 1550.3 84 1553.2
10
1447.2 35 1519.7 60 1550.9 85 1552.8
11
1451.1 36 1521.7 61 1551.5 86 1552.4
12
1454.9 37 1523.5 62 1552.0 87 1552.0
13
1458.7 38 1525.3 63 1552.5 88 1551.5
14
1462.3 39 1527.1 64 1553.0 89 1551.0
15
1465.8 40 1528.8 65 1553.4 90 1550.4
16
1469.3 41 1530.4 66 1553.7 91 1549.8
17
1472.7 42 1532.0 67 1554.0 92 1549.2
18
1476.0 43 1533.5 68 1554.3 93 1548.5
19
1479.1 44 1534.9 69 1554.5 94 1547.5
20
1482.3 45 1536.3
70 1554.7 95 1547.1
21
1485.3 46 1537.7
71 1554.9 96 1546.3
22
1488.2 47 1538.9 72
1555.0 97 1545.6
23
1491.1 48 1540.2 73 1555.0 98 1544.7
24
1493.9 49 1541.3 74 1555.1 99 1543.9
59