57
Note:
Note:
Note:
Note:
Method of measurement of operating noise
With a specified noise meter, the operating noise is measured at measurement points A, B and C, and the
maximum value is to be used.
Note:
Note:
Note:
Note:
Method of measurement of performance curve
Measuring instruments and procedure
・
Conditions
a)
Supplied air pressure: Maintaining preset pressure
b)
Liquid pumped: Fresh water
c)
Temperature: Ambient
d)
Condition of suction: Flat suction 0 meter head
e)
Measuring system
:
System
A
…
Converting weight of discharged fluid to volume.
System B … By liquid meter
Содержание NDP-5 series
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