Frequency

f₁/Hz

Theoretical Flow

A/(m³/h)

Measured Flow

B/(m³/h)

Error Rate

(%)

30

2.455

2.426

1.220

32

2.602

2.587

0.655

34

2.866

2.820

1.502

36

3.001

2.955

1.598

38

3.222

3.197

0.789

40

3.406

3.355

1.465

42

3.670

3.642

0.769

44

3.855

3.798

1.550

46

4.108

4.100

0.089

48

4.602

4.585

0.304