T. +31 347 342 777 HOME WASTEWATER SAMPLING ENCLOSURES WASTEWATER SAMPLING TECHNIQUES OPTIONAL EQUIPMENT ABOUT US NEWS SPECIAL FLOWMETER APPLICATIONS This page will soon be filled with more detailed information of our special flowmeter solutions. BUBBLE TUBE FLOWMETER 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: • 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. PRICES Obviously there is a range of options possible. Please contact us for further details and distribution agreements. More information about our prices / distribution network? Call +31 347 342 777 or E-mail to info@avm-efcon.nl. It is also possible to leave a message via the contact form at the top right of this webpage. FULL BODY GASKETS Don't take unnecessary risks. Use a proper full body grounding (SS316) and gasket set (EPDM) for plastic piping. SERVICE Efcon® Water offers full support with annual service and on site support in The Netherlands & Belgium. Throughout Europe we support several specialised distributers. Spare parts are in stock at our distributers but can also be shipped globally with UPS, DHL, Fedex etc. Downloads Service Datasheet (ENG) Service Datasheet (NED) INTERNATIONAL RESELLERS/DISTRIBUTERS At this moment Efcon® Water has multiple specialised resellers in Europe. For interest to become a member of the Efcon® family please contact us. More information? Call +31 347 342 777 or E-mail to info@avm-efcon.nl. It is also possible to leave a message via the contact form at the top right of this webpage. CONTACT / EXPERT ADVICE? Call +31 347 342 777 or E-mail to info@avm-efcon.nl. ELECTRO MAGNETIC FLOWMETERS Check the Electro Magnetic Flowmeters page to discover the possibilities of our standard flowmeters. EFCON SPECIAL WASTEWATER SAMPLERS An Efcon® wastewater sampler can be supplemented with special electronics or hardware cabinets and equipment such as a built-in electro magnetic flowmeter, compressors, analytical instruments and more. Learn more on the Wastewater Sampling Specials page. Wastewater Samplers Overview of all enclosures Efcon®omy Wastewater Samplers Efcon® Industrial Wastewater Sampler Efcon® Projects Wastewater Sampling Efcon® Carrybox Waste Water Sampler Techniques and equipment Overview of all sampling techniques Vacuum Sampler Inline Guillotine Sampler Peristaltic Sampler ILS 2W & 3W Samplers Electro Magnetic Flowmeters Special Flowmeters Wastewater Pumps & Pits Water Level Sensor About us & more Efcon® Water & AVM Efcon® Water Service Downloads International Distributors Customers Nederlands Efcon Water B.V. Hoefslag 11 4131 ME Vianen The Netherlands Phone +31 +347 342 777 Fax +31 +347 342 788 info@avm-efcon.nl Go to: contact page © 2021 Efcon® Water B.V. Terms & Conditions Contact us