FLOW & LEVEL CONTROL FEATURE MEASURE MORE THAN FLOW RATE
Accurately measuring the usage of expensive industrial gases such as argon, nitrogen, carbon dioxide and helium, is easy with the new SD range of flow sensors from ifm electronic. And because they maintain high accuracy over their full measuring range, the units also help detect leaks. Typical applications include bottling and packaging machines in the food industry and welding, cutting or soldering processes in which protective gases are used. An important benefit of the new monitors is that, in addition to flow rate,
they measure flow quantity, pressure and temperature. In many applications, this means that they eliminate the need for additional sensors, saving money, minimising complexity and reducing the number of control system I/O channels needed. The sensors feature an IO-Link interface which provides access to all
measured values and which can also be used for parameterisation and for simulating the operation of the sensor before putting it into service. A colour display provides local indication of the measured values, and the sensors also provide conventional analogue and switching outputs. The SD flow sensors are available in two configurations. The first is for use
with argon, nitrogen, carbon dioxide and air. To ensure maximum accuracy, it is pre-programmed with the characteristics of each of these gases and it can be supplied in versions to measure flow rates from 0.05 to 225 Nm3
/h.
The second configuration is specially adapted for use with helium and available in versions to measure flow rates from 0.05 to 10 Nm3 All versions offer a T09 response time of 0.5s, and all can be used with
/h.
media over the temperature range -10 to +60ºC. ifm electronic
www.ifm.com/uk QUAD METER OFFERS ADDED SAFETY
Emerson has introduced the Rosemount 8800 Quad Vortex flow meter designed to meet stringent safety standards in environments and applications that require safety instrumented systems (SIS). The flow meter is said to be the first in the industry with quadruple sensors and transmitters to meet safety integrity level (SIL) requirements. Comprised of multiple independent sensors in an all-welded meter body, the meter provides a compact flow solution with built-in redundancies for added safety without introducing intentional leak points. The meter reduces piping needs threefold by eliminating the additional flanges and pipe runs required for the installation of multiple flow meters in a redundant flow measurement solution. With the ability to meet
measurement challenges in industries such as chemical, power, refining, and offshore oil and gas applications, particularly where space is limited, and safety is crucial, the flow meter can take the place of multiple individual flow meters. It can carry out the same tasks as four separate meters, without needing impulse lines that might clog. The meter saves money by reducing installation costs as a simple all-in-one drop-in solution. The Rosemount 8800 Quad Vortex flow meter’s design and configuration
allows for a SIL 3-capable solution and protects against spurious trips using a two out of three (2oo3) voting method. This ensures that at least two of the sensors must read ‘good’ for a process to continue, so one poor reading does not trip a complete process shutdown. Emerson
www.Emerson.com/RosemountQuadVortex %#')& ((&)"$')!
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