Rittmeyer Prosp Risonic En Cancoppas-Books Pdf

Rittmeyer Prosp RISONIC EN Cancoppas
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Power station Irrigation, Applications, User friendly exible and versatile. The RISONIC modular was developed for ow measure Customer bene ts. ments in lled partially lled penstocks and open channels High measurement accuracy thanks to. Typical areas of application include water power stations optimized digital signal processing WAN. water utilities irrigation systems and cooling water circuits Suitable for dif cult hydraulic conditions VPN. Suitable for harsh environments, Applications Flow measurements in both directions. Flow control pump storage power plant, Water balance Multi section multi pipe. Penstock monitoring Maintenance free long term stability. Turbine pump ef ciency measurements No recalibration required. IEC 60041 ASME PTC 18 Comprehensive diagnostics, Standardized communication interfaces. Low Power Sleep Mode, Integrated data logger with remote access.
via web interface, Water supply, Modular design User friendly operation. The RISONIC modular is primarily based on User friendly parameter con guration and operation. the RISONIC Controller module Integrated intuitive user interface. one to four RISONIC Ultrasonic Transit Time modules Illuminated LCD. and the various ultrasonic sensors Automatic measured value display. type depending on application Menu tree for manual queries and maintenance. Web interface for the parameter con guration, The RISONIC Ultrasonic Transit Time module prepares and pre and remote access. processes the sensor signals for the transfer to the controller. In the RISONIC Controller module the sensor data is collected. and from that the exact flow and other measured values are. calculated Thanks to an Ethernet connection the modules can. be operated independently, Functional description, Ultrasonic transit time method. The sensors A and B alternate as sender and receiver With a voltage impulse a piezo ceramic oscillator is excited. The ultrasonic impulse spreads out through the medium to be measured. The opposite site receives the impulse converts it into an electric signal and analyzes it A sound wave spreads. out faster in the direction of the flow than against it The RISONIC modular measures the transit time tAB and. tBA The transit time difference tAB tBA of the two ultrasonic waveforms is directly proportional to the mean. path velocity of the medium From the mean path velocity in conjunction with the pipe geometry the flow can be. determined, One path measuring Multi path measuring Multi path measuring. arrangement arrangement arrangement with crossed paths. Under difficult hydraulic conditions a multi path measuring arrangement can improve the measuring accuracy. Speci cations, Measuring accuracy Up to 0 5 of the measured value display depending on the number.
of measuring paths hydraulic conditions and the geometric para. meters such as path angle path length and their accuracy at the. measuring point, Max number of measuring paths 16, Max number of ultrasonic modules 4. Number of measuring paths 1 to 4 measuring paths in a multitude of different path arrangements. per ultrasonic module, Max number of measuring points 4. Pipe diameter 0 3 to 20m with a path angle of 45, Channel width 0 75 to 100 m with a path angle of 45. Flow speed 20 m s, Ultrasonic module to sensor distance max 300 m with 1 MHz sensors. max 500 m with 500 kHz sensors, max 1 000 m with 200 kHz sensors.
Controller module interfaces LAN1 Ethernet 10 100 BaseT USB 1 1 host Compact Flash card. COM1 RS232 COM2 RS485 COM3 RS485, Status relay, Ultrasonic module interfaces 1 analog output 1 analog input 4 20 mA. 4 relay outputs, Power supply 24 VDC 19 2 30 V, Power consumption Controller module 10 W. Ultrasonic module 5 W, Sleep Mode 0 5 W, Overvoltage protection Integrated. Safety class IP 20 on DIN rail, IP 65 in eld unit, Operating temperature range 20 to 70 C. Storage temperature 40 to 85 C, Device dimensions H W D Controller module 147 x 146 x 64 mm.
Ultrasonic module 184 x 147 x 52 mm, Weight Controller module approx 1 1 kg. Ultrasonic module approx 1 3 kg, Installation options Attached to DIN rail TS 35 in the control cabinet. Built into eld unit IP65, Factors impacting the measuring accuracy. Method to determine the transit times and differential transit times. Accuracy of the geometric data of the measuring arrangement. Integration method to calculate the ow based on path velocity and geometric data. Contamination factors, Contamination typically quartz sand in the water dampens the ultrasonic impulse and in extreme cases. makes a valid measurement impossible The damping factor depends on the ultrasonic frequency temperature. and particle properties The RISONIC modular is equipped with an automatic ampli cation control to be able. to react to contamination in the water, Changes in the water composition can be recognized by monitoring the ultrasonic waveforms Projection tools.
developed by Rittmeyer enable range estimates provided that the water composition is known. Engineering, Ef cient tools and methods, For the applicable measuring arrangement the following customer specific and plant specific factors are decisive. Pipe geometry incl obstructions, Measuring purpose. Measuring accuracy requirements, Rules of thumb for calming sections left to right ow for a 1 path measurement and 1 accuracy. Reduction 90 elbow or tee connector Two 90 elbow connectors on one level. Two 90 elbow connectors on two levels Partially opened valve Pumps. In a rst step the most ideal installation site under the given conditions is determined Then in consideration of. the above mentioned factors the measuring arrangement and orientation is con gured Multi path measuring. arrangements can have shorter calming sections, Subsequently a suitable integration method for calculating the ow is selected based on the hydraulic. conditions These methods provide the sensor positions and the weighting of the individual measuring paths. Depending on the severity of the hydraulic conditions and the accuracy requirements a variety of integration. methods is available, Flow velocity, Intuitive idealization of a Idealized turbulent v pro le Simulated v pro le under most.
turbulent v pro le dif cult hydraulic conditions, v y v y v y. Integration method, For pipes round Gauss Jacobi OWICS Optimal Weighted OWISS Optimal Weighted. Integration for Circular Sections Integration for Simulated Sections. For pipes rectangular Gauss Legendre OWIRS Optimal Weighted. Integration for Rectangular Sections, For extremely severe hydraulic conditions Rittmeyer provides CFD Computational Fluid Dynamics simulation. services The CFD simulation supports the selection of an optimal installation site the orientation of the measu. ring paths and the integration Furthermore from the simulation the measuring accuracy can be estimated. Installation commissioning, Field proven, Other important prerequisites for rst rate ow measurements are the professional installation of the sensors at. the theoretically de ned positions the professional determination of the cross sectional area of the pipe at the. measuring point and measuring the exact positions of the installed sensors. Do it yourself sensor installation, For the sensor installation performed by.
the customer Rittmeyer provides a wide, range of helpful marking and installation. Precision installation, In order to meet the highest accuracy demands. Rittmeyer recommends a precision installation, performed by our experienced staff To deter. Determining the sensor positions mine the geometric dimensions at the measuring. point Rittmeyer uses a theodolite with integrated, interferometer and laser pointer attachment for. distance measurements, Scope of services, Determining the pipe cross sectional areas.
Determining the installation sites, for the sensors. Sensor installation, Re measuring the installed sensors. Sensor wiring, De ning safety measures against excess. pressure and mechanical damage, Parameter con guration of. the measuring device, Measuring method with theodolite Commissioning.
Customer training, Maintenance, Drilling the sensor holes. Networked international performance oriented, Rittmeyer develops manufactures. and installs instrumentation and, process control system solutions. for the water and energy sector, Founded in 1904 Rittmeyer has. commissioned more than 20 000, installations to date With 8 sub.
sidiaries a sales and representa, tive of ce and agencies in over 25. countries we are active worldwide, Thanks to state of the art tech. nology world class expertise and, highest quality we provide our. customers with reliable precise, and tailored solutions. A subsidiary of the, BRUGG group, SWITZERLAND Headquarters Subsidiaries in Sales office in.
Rittmeyer AG Germany the US, Inwilerriedstrasse 57 Austria. Box 464 Italy Representative office in, CH 6341 Baar Spain Singapore. Phone 41 41 767 10 00 France, Fax 41 41 767 10 70 Croatia. Email info rittmeyer com Slovakia, Czech Republic, . LAN LAN WAN VPN The RISONIC modular was developed for ow measure ments in lled partially lled penstocks and open channels Typical areas of application

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