怎麼知道自己比重計是準的? - 水族
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By Enid
at 2008-05-10T11:26
at 2008-05-10T11:26
Table of Contents
※ 引述《kenshin528 (不知恥)》之銘言:
: 我是那種裝水進去,有個指標會浮起來的,
: 不過因為是從箱子裡翻出來的,要怎麼知道他準不準呢? 謝謝
給你不同溫度時淡水的比重作為校正的參考:
溫度 比重
15 0.9991
16 0.9989
17 0.9988
18 0.9986
19 0.9984
20 0.9982
21 0.9980
22 0.9978
23 0.9975
24 0.9973
25 0.9970
26 0.9968
27 0.9965
28 0.9962
29 0.9959
30 0.9957
31 0.9953
32 0.9950
33 0.9947
34 0.9944
至於硬度都是用PPM在算的,對於比重的影響微乎其微
所以並不需要非得用RO水校正不可,普通的自來水就可以了
--
╭洄瀾夜月──────────────╮
│ http://blog.webs-tv.net/flyindeath │
╰──────────────────╯
--
: 我是那種裝水進去,有個指標會浮起來的,
: 不過因為是從箱子裡翻出來的,要怎麼知道他準不準呢? 謝謝
給你不同溫度時淡水的比重作為校正的參考:
溫度 比重
15 0.9991
16 0.9989
17 0.9988
18 0.9986
19 0.9984
20 0.9982
21 0.9980
22 0.9978
23 0.9975
24 0.9973
25 0.9970
26 0.9968
27 0.9965
28 0.9962
29 0.9959
30 0.9957
31 0.9953
32 0.9950
33 0.9947
34 0.9944
至於硬度都是用PPM在算的,對於比重的影響微乎其微
所以並不需要非得用RO水校正不可,普通的自來水就可以了
--
╭洄瀾夜月──────────────╮
│ http://blog.webs-tv.net/flyindeath │
╰──────────────────╯
--
Tags:
水族
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By Hazel
at 2008-05-11T18:21
at 2008-05-11T18:21
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By Hardy
at 2008-05-13T00:32
at 2008-05-13T00:32
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By Odelette
at 2008-05-17T08:30
at 2008-05-17T08:30
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