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Efcon - Bubble Tube Flowmeter
FromEfcon Water B.V.
Sampling systems with open channel flow measurement can be equipped with a level sensor (bubbler tube sensor, or an external 4-20mA signal) and can be used for the following primary devices:
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- V-Notch: V-notch measurement, for 3 standard angles (28,3°, 53° & 90°).
- Venturi: According formula:
- Formula 1: According formula: Q = C × √h3× 3600
- Formula 2: According formula: Q = C × he × 3600
- Data table: Assign 24 medium levels (mm) to 24 flow (in m3/h)
* Open channel, on water level base flow measurement are based on international leading standards like: ISO 1438 & BS 3600
Bubble tube measurement
When selected the air pump for the bubble tube starts creating pressure. Standard range (full scale): 0-0,5 meter.