270
1 ch soat 1 ch = 60 min = 3 600 sek
1 min daqiqa
1 min = 1/1 440 sutok = 60 sek
1 sek sekund
1 sek =1 000 msek
1 msek
millisekund 1 msek = 1 000 mksek = 10-3 sek
1 mksek
mikrosekund
1 mksek = 0,001 msek = 10-6 sek
BOSIM
1 at atmosfera texnikaviy
1 at = 1 kG/sm2 = 735,66 mm rt. st.
1 mm simob. ust. millimetr simob usti
1 mm sm. ust. = 1,36 G/sm2
Atmosfernoye bosim
= 760 mm sm. ust. = 1,033 kG/sm2
HARORAT
°C
Yuz harorat shkalasi soni
°S = 5 / 4° R = 5 / 9 (°F - 32) = °K – 273
°R
Reomyur harorat soni
°R = 4 / 5° S = 4 / 9 (°F - 32) = 4 / 5° K – 218,4
°F
Farengeyt harorat soni °F = 9 / 5° C+32 = 9 / 4° R +32 = 9 / 5° K – 459,5
°K
Kelvin harorat son
°C +273 =5 / 4° R+273=5 / 9° F+255,2
0°
Absolyutn nol
K= – 273,2 °S
TOK
1 ka kiloamper 1 ka = 1 000 a = 103 a
1 a
amper 1 a = 1 000 ma
1 ma milliamper 1 ma = 1 000 mka = 10-3 a
1 mka mikroamper 1 mka = 0,001 ma = 10-6 a