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Internationales Einheitensystem
Eaton Schaltungsbuch 06/11
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nicht mehr zulässige Einheiten
SI-Einheit: N (Newton)
J/m (Joule/m)
bisherige
Einheit:
kp (kilopond)
dyn (Dyn)
1 N=1 J/m=1 kg m/s
2
= 0,102 kp = 10
5
dyn
1 J/m = 1 N=1 kg m/s
2
= 0,102 kp = 10
5
dyn
1 kg m/s
2
= 1 N=1 J/m = 0,102 kp = 10
5
dyn
1 kp = 9,81 N=9,81 J/m=9,81 kg m/s
2
= 0,981 10
6
dyn
1 dyn=10
–5
N=10
–5
J/m=10
–5
kg m/s
2
= 1,02 10
–5
kp
SI-
Einheit:
Pa (Pascal)
bar (Bar)
bishe-
rige
Einheit:
at = kp/cm
2
= 10 m Ws
Torr = mm Hg
atm
1 Pa = 1 N/m
2
= 10
–5
bar
1 Pa = 10
–5
bar = 10,2 · 10
–6
at = 9,87 · 10
–6
at = 7,5 · 10
–3
Torr
1 bar = 10
5
Pa = 1,02 at = 0,987 at = 750 Torr
1 at = 98,1 · 10
3
Pa = 0,981 bar = 0,968 at = 736 Torr
1 atm = 101,3 · 10
3
Pa = 1,013 bar = 1,033 at = 760 Torr
1 Torr = 133,3 Pa = 1,333 · 10
–3
bar = 1,359 · 10
–3
at = 1,316 · 10
–3
atm