Sobre a medição multivariável
As soluções multivariáveis fornecem várias medições em um dispositivo para menos penetrações de processo e fácil instalação
As soluções multivariáveis fornecem várias medições em um dispositivo para menos penetrações de processo e fácil instalação
A capacidade de medição multivariável melhora as operações medindo a pressão e temperatura estática e diferencial em um único dispositivo. Com uma variedade de opções, esses dispositivos incluem a classe de desempenho Ultra for Flow, correspondência de sensores Callendar-Van Dusen, sensor de alcance estendido e uma seleção de protocolos. Os transmissores multivariáveis permitem limitar as penetrações dos tubos, reduzir os custos de fiação e reduzir o tempo de instalação.
Multivariable solutions help enhance performance. Features include Ultra for Flow (+/- 0.04% of reading specification) for high accuracy in flow measurement and Callendar-Van Dusen (CVD) sensor matching, which uses CVD constants to increase RTD measurement accuracy up to 70%.
Featuring eight different measurement options, Multivariable solutions are able to meet a wide range of application requirements. These devices can provide singular or a combination of measurements, including differential pressure, static pressure and process temperature available in Coplanar™ and In-Line platforms. For reliable and accurate measurements in harsh environments, Multivariable technology also offers the all-welded, hermetic design of the SuperModule™ Sensor.
Ready-to-install, Multivariable technology provides preconfigured and calibrated devices. Additionally, software packages, such as the Rosemount™ Engineering Assistant Software offer a simple communication and configuration interface for Rosemount mass flow transmitters. To configure a variety of Rosemount pressure, temperature, level and flow products, Rosemount Transmitter Interface Software is also available.
As a fully-assembled DP flow solution, a Multivariable flowmeter features a variety of advantages for flow measurement. Capable of calculating mass flow from the transmitter, this device is delivered pre-configured and pre-ranged for easy installation and commissioning. Factory-assembled and tested, these DP Flow devices are also leak-checked before shipment, ensuring reduced leak points for optimal performance.
Multivariable transmitters feature communication protocol options that incorporate seamlessly into your existing infrastructure. Wired alternatives include industry-standard HART®, FOUNDATION™ Fieldbus and Modbus® protocols. For a wireless solution, WirelessHART® is a self-organizing network that delivers >99% data reliability and provides access to previously inaccessible areas.
This video provides an in depth explanation of how multivariable pressure transmitters combine three measurements into one to lower overall installation cost.
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