YAMADA NDP-25 Series Operation Manual page 20

9.2.4 NDP-80 series
CAUTION
- Concerning section size and the like, it differs depending upon pump body specification.
Please contact your distributor our regional office for detailed information.
＜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.
- The display noise level is the maximum value at flow rate measurement condition.
- The noise level depends on the condition.
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