Parameters

Lower limit

Upper limit

First zone (O1-O)

X1 (˚C)

87.14

90

X2 (rpm)

305

330.21

X3 (min)

141

155

Y1

0.882

0.883

Y2 (cSt)

6.76

8.06

Second zone (O2-O3)

X1 (˚C)

78.96

81.3

X2 (rpm)

167.34

179

X3 (min)

105.02

105.12

Y1

0.890

0.895

Y2 (cSt)

6.63

6.76