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CHAUFFE-PISCINE NON-RÉVERSIBLE
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MACON
Unités de conversion communes
Mesure linéaire
1 pouce = 25,4 millimètres
1 pied = 12 pouces = 0,3048 mètres
1 yard = 3 pieds = 0,9144 mètres
1 (loi) mile = 1760 yards = 1,609 km
1 mile nautique = 1852 m.
Mesurer la place
1 pouce carré = 6,45 sq.centimetres
1 pied carré = 144 pouces carrés = 9,29 sq.decimetres
1 mètre carré = 9 ² = 0,836 sq.metre
1 acre = 4840 = 0,405 hectare sq.yd.
1 mile carré = 640 acres = 259 hectares
Mesure cubique
1 pouce cube = 16,4 cu.centimetres
1 pied cube = 1728 = 0,0283 cu.in. cu.metre
1 verge cube = 27 pieds cubes = 0,765 cu.metre
mesurer la capacité
Britich
1 oz de liquide pinte 20 .= 34,68 cu.in. = 0,568 lite
1 quart = 2 pintes = 1,136 litres
1 gallon = 4 quarts = 4,546 litres
1 = 2 Peck gallons = 9,092 litres
1 boisseau = 4 picore = 36,4 litres
1 trimestre = 8 boisseaux = 2,91 hectolitres
américaine secs
1 pinte = 33,60 = 0,550 litres cu.in.
1 quart = 2 pintes = 1,101 litres
1 Peck = 8 quarts = 8,81 litres
1 boisseau = 4 = 35,3 litres picore
liquides américaine
1 pinte = 16 oz de liquide .= 28,88 = 0,473 litres cu.in.
1 quart = 2 pintes = 0,946 litres
1 gallon = 4 quarts = 3,785 litres
Poids avoirdupois
1 grain = 0,065 gramme
1 dram = 1,772 grammes
1 once = 16 drams = 28,35 grammes
1 livre = 16 onces = 7000 grains = 0,4536 kg
1 pierre = 14 livres = 6,35 kg
1 trimestre = 2 pierres = 12,70 kg
1 quintal = 4 / 4 = 50,80 kg
1 tonne courte = £ 2,000 = 0,907 tonne
1 (long) tonne = 20 quintaux = 1,016 tonnes
Puissance d'énergie
1 = usrt 3024 kcal / h = 3516 W
1 kcal / h = 1,163 W
1 kW = 860 kcal / h
1 BTU / h = 0,293 W
la vitesse, le flux
1 m / s = 196,85 fpm
1 cfm = 1,699 cmh
1 = 0,27276 gpm cmh
1 = 0,2271 gpm cmh
Pression
1 bar = 100000 PA
1 psi = 0,0703 kgf/cm2
1 = 98000 kgf/cm2 pa
1 mm aq .= 9,8 pa
1 mm Hg = 133,28 pa
1 m H2O = 9800 Pa = 0,1 kgf/cm2
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