Portable Flow Measurement
24Pages

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Catalog excerpts

Portable Flow Measurement - 1

Portable Flow Measurement Transmitters, Sensors, Accessories, Fields Of Application

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Portable Flow Measurement - 2

Collection of planning data Basic data for billing networks Verification of existing measuring facilities Precipitation discharge measurement Investigation of extraneous water Throttle calibration PCM – without compromises in practice in order to assess the hydraulic conditions of sewer networks and associated special constructions it is an indispensable prerequisite to carry out measurements within the network. This is why the use of portable and mains-independent flow measurement instruments for the detection of extraneous water, channel efficiency, sewerage master planning or influent...

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Portable Flow Measurement - 3

A measurement system for portable flow measurements basically consists of a transmitter Type PCM for power supply, data entry, indication and data storage plus a sensor for the recording of measurement data. Sensor construction as well as the built-in pickups may be customized individually according to the conditions prevailing on site. NIVUS flow measurement stands for innovation und highest accuracy. The portableType PCM units are designed for use in part filled and full channels, pipes and flumes with various shapes and dimensions. Many communication options and comprehensive extension...

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Portable Flow Measurement - 4

The Flow Measurement Principle Flow cannot be measured directly. Multiple factors are required to detect the flow Q: average flow velocity and the flow cross section. This leads to the general formula below: Q = v(average) • A The flow cross section A is investigated by continuously measuring the filling level considering the channel shape.The flow cross section and hence the flow changes as soon as the level changes. The NivuCompact can be connected to the PCM directly The flow velocity is detected via the velocity of the particles. Most media contain a certain load of dirt particles or...

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Portable Flow Measurement - 5

The measurement method used for flow velocity investigation is based on the principle of ultrasonic reflection. One of the most modern and most efficient methods for the detection and calculation of the flow velocity is the correlation method (interrelation between two similar image patterns) by NIVUS. A prerequisite to use this method are reflecting particles (minerals or gas bubbles) contained in the medium. Existing reflectors (particles, minerals or gas bubbles) are scanned using an ultrasonic impulse with a defined angle. The resulting echoes are saved subsequently as images or echo...

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Portable Flow Measurement - 6

Technological progress through innovative and long-standing proven technology - flow measurement with the PCM Doppler Method Your benefits Cross Correlation Method System Solution PCM – from practice for practice No additional input devices required thanks to unique operation concept through clear text menus, start-up As long as 20 years ago, NIVUS have been developing a product line dedicated assistant and clear diagnostic functions for portable use which has been constantly improved thanks to experience gai- and simulation modes The lightweight yet extremely robust enclosure allows easy...

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Portable Flow Measurement - 7

Easy and quick start-up Thanks to the alphanumeric keypad and the back-lit 128 x 128 pixel diplay, parameters can be set and readings as well as status messages can be indicated without the need to use additional and sensitive aids such as laptops, input devices or PDAs. Even if used in the open air, under rough weather conditions, solar radiation or if there is no power supply for peripheral Easy fastening in manholes Internal logging options for assessment of the measurement progress on site without additional aids devices available, operation is facilitated significantly. The unique...

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Portable Flow Measurement - 8

The right sensor for each application NIVUS has the right sensor for each application. There are flow velocity sensors Your benefits with and without integrated level measurement as well as air-ultrasonic level sensors. Depending on your application there are varying constructions at your Sensors are absolutely drift-free and have a stable zero point Low installation expenses thanks to Sensors for universal use such as channel efficiency, measurement spots for Can be installed under process perfectly coordinated accessories billing networks and much more. conditions Air-ultrasonic sensor...

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Portable Flow Measurement - 9

The Type "Mini" sensor family provides the best possible measurement system to detect lowest discharges e.g. for measurement of extraneous water or indirect discharge measurements. The sensors use our patented and proven ultrasonic cross correlation method. This method allows to detect and to indicate flow profiles starting at levels of only a few centimeters. The sensor construction is particularly suitable for small dimensions and reduces backwater effects, the risk of build-up or blockage. You can find comprehensive specifications in the respective manuals or on www.nivus.com

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Portable Flow Measurement - 10

Your benefits ■ Unrivalled lightweight, can be installed by one person ■ High accurate measurement in full pipes and hence with ideal flow profile ■ Sedimentation detection through integrated level measurement ■ Versatile use in pipes with various diameters NPP NIVUS Pipe Profiler - the portable measurement place Pipe measuring section as extension of the portable flow measurement systems PCM Pro and PCM 4. The flexible measurement system ensures high accurate flow determination even under difficult conditions such as low discharge volumes or poor hydraulic flow conditions.

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Portable Flow Measurement - 11

■ Corrosion-proof and free of wear and tear: made of stainless steel ■ Easy installation, no tools required ■ Adjustable and flexible ■ For diameters from 160 to 800 mm ■ Extension kits for greater diameters available Pipe mounting system: easy sensor installation in pipes The flexible mounting system makes installation very easy. PCM sensors can be installed in next to no time during mobile use. Easy and variable sensor installation in a few minutes Made of stainless steel 1.4571 (V4A)

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Portable Flow Measurement - 12

Your benefits ■ No direct manhole access needed to operate the unit ■ Easy operation through “Live-Screen” on PC ■ Password protected connection ■ PCM may be left in manhole in locked condition ■ For use in Ex Zone 1 The Bluetooth modem is designed for on-site data transmission. The modem is particularly applicable for measurement points where direct access to the unit is difficult. By using the live screen it is possible to conveniently view current readings, to modify settings or to transmit saved measurement data e.g. from your car at the roadside without the need to remove the PCM from...

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