File:Dumas Neyrpic Current Meter.JPG
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Summary
| Description |
English: A Dumas Neyrpic water current meter with propeller, made in France. This horizontal-axis instrument is used for measuring water velocities between 0.2 and 2.4 metres/second. An array of these devices can be used for hydroelectric turbine flow measurements. A single device can be lowered on a wading rod and used to measure flow in a stream or an ocean current. The number of the revolutions of the propeller is proportional to water velocity and is counted electronically. This style of instrument has a cosine response to off-angle water currents. |
| Date | |
| Source | Own work |
| Author | Wtshymanski |
Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:32, 27 August 2011 | | 800 × 528 (78 KB) | Gauravjuvekar | erased portion remaining on bottom border left of the hand |
| 12:30, 27 August 2011 |  | 800 × 528 (76 KB) | Gauravjuvekar | whitened small region remaining in top right corner | |
| 12:27, 27 August 2011 |  | 2,000 × 1,320 (482 KB) | Gauravjuvekar | Whitened bckgrnd | |
| 17:11, 9 March 2011 |  | 2,048 × 1,536 (647 KB) | Wtshymanski | {{Information |Description ={{en|1=A Dumas Neyrpic water current meter with propller, made in France. This instrument is used for measuring water velocities between 0.2 and 2.4 metres/second. An array of these devices can be used for hydroelectric tur |
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