Gems Sensors - PRODUCT NEWS

New digital output sensor option for Gems RotorFlow series

Gems Sensors & Controls, a market leader in custom made fluid sensing and control solutions, has introduced the new RotorFlow Output for its RotorFlow Series of fluid flow sensors. The RotorFlow's unique highly visible paddlewheel rotors and solid-state electronics provide accurate flow rate output with visual confirmation when monitoring dynamic fluid flow within fluid lines. This additional output function is compatible with most digital logic units for a range of commercial and industrial machinery and systems.

The RotorFlow Output (RFO) has been specifically designed for flow rate monitoring or metering applications. RFO type sensors provide a pulsed dc voltage output (between 4.5 to 24VDC), which is proportional to the rate of flow and easily integrated into most digital logic units. Digital rate meters, totalisers, and other electronic controllers utilise the output signal.

The RotorFlow's paddlewheel design with high visibility rotor sensors provides verification at a glance to confirm that fluids are moving within the fluid lines. As liquid passes through the RotorFlow body, a magnetic rotor spins at a rate proportional to flow. The magnetic fields turning with the rotor excite a static Hall Effect sensor and generate a series of voltage pulses. The sensors can monitor fluids with flow rates ranging from 0.4 to 227 litres per minute with accuracy typically within ±7%.

RotorFlow sensors are compact, panel mountable for ease of installation and are available in ¼" to 1" port sizes. The housing bodies are available in brass, stainless steel and polypropylene, allowing the sensors to be used in a range of applications, depending on the operating pressures and temperatures likely to be experienced in service.

Typical applications include water purification, dispensing systems, chemical metering, laser and welders, semiconductor processing, water injection systems, and chillers and heat exchangers.

RotorFlow sensors are also available in RotorFlow Analog (RFA) and use the same operating principle, but provide an analogue output signal of between 0 to 10 VDC.

About Gems Sensors & Controls
Founded in 1955, Gems is a preferred supplier to thousands of OEM companies across a broad range of industries throughout the world due to its extensive application knowledge, innovative sensor and miniature solenoid valve designs, and customer centric approach to problem solving to meet customer-specific needs. Gems Sensors and Controls is a leading global manufacturer of: liquid level, flow, and pressure sensors; solid-state relays and barriers; liquid and pneumatic miniature solenoid valves; and pre-assembled fluidic systems with facilities in North America, Europe, and Asia. Gems Sensors & Controls is ISO 9001, ISO 13485, UL, and CE certified.
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Gems Sensors and Controls

October 2012

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