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Graphene-based flowmeter sensor measures nano-rate fluid flows, Part 3: The sensor

April 20, 2021 By Bill Schweber Leave a Comment

The first part of this article looked at the challenges of sensing nano-level flow rates such as found in the blood vessels. In contrast, the second part looked at graphene, an allotrope of elemental carbon at the heart of a new sensor used to measure those flows. This third and final part looks at the […]

Filed Under: Featured, Frequently Asked Question (FAQ), Ultrasonic Tagged With: FAQ

Graphene-based flowmeter sensor measures nano-rate fluid flows, Part 2: The graphene context

April 19, 2021 By Bill Schweber Leave a Comment

The previous part of this article looked at the challenges of nanoflow sensors, especially with respect to blood flow. This part looks at graphene, which is the basis for the new sensor. Graphene is a material structure which did not exist until relatively recently. However, its constituent element of graphite – the crystalline form of […]

Filed Under: Featured, Frequently Asked Question (FAQ), Ultrasonic Tagged With: FAQ

Graphene-based flowmeter sensor measures nano-rate fluid flows, Part 1: The challenge

April 16, 2021 By Bill Schweber Leave a Comment

When it comes to nearly all biological measurements, the ranges of many of the parameters of interest are orders-of-magnitude below those with which many engineers are familiar. Instead of megahertz or even kilohertz, the living-creature world is in the single or double-digit hertz range, such as the roughly 60+ beats per minute (BPM) for a […]

Filed Under: Featured, Frequently Asked Question (FAQ), Ultrasonic, Ultrasonic Tagged With: FAQ

ProSense inductive proximity sensors from AutomationDirect

April 1, 2021 By Mike Santora

Prosense-prox-sensors

AutomationDirect has added a variety of new ProSense inductive proximity sensors to their portfolio. Added are 8mm triple-sensing inductive proximity sensors in flush and non-flush mounting options, which can detect ferrous metals up to a distance of 6mm. Also new are inductive proximity sensors with a metal face to provide more durable protection, with environmental […]

Filed Under: Inductive, Proximity Tagged With: AutomationDirect

Analyzing different proximity sensor technologies

March 25, 2021 By Aimee Kalnoskas

proximity sensors

Utilized as a no-touch method to provide either precise distance measurement to an object or simple “there/not there” logic, proximity sensors span a wide range of technologies, each offering their own set of operating principles, advantages, and drawbacks. Some of the most commonly found technologies in portable or small embedded systems include ultrasonic, photoelectric, laser […]

Filed Under: Position, Proximity Tagged With: FAQ

LZ-19 Series LVIT linear position sensor

March 18, 2021 By Mike Santora

LZ-19 SS_0

The LZ-19 Series of LVIT (Linear Variable Inductance Transducer) position sensors are contactless devices designed for use in factory automation or assembly machinery applications where space is a premium, as well as for external mounting on pneumatic cylinders to sense rod position. The LVIT is offered in nominal full scale ranges from 2.5 to 750 […]

Filed Under: LVDT, Position Tagged With: alliancesensorsgroup

Signal conditioner handles digital/analog comm for AC-LVDTs, RVDT, or LVRT half-bridge sensors

March 12, 2021 By Redding Traiger

The NewTek NTC-6000 Qwik-Cal LVDT Signal Conditioner completes the measurement system for AC-operated LVDTs by providing the excitation and digital output required by many of today’s laboratory, industrial automation, and process control applications. Without internal electronics, AC-LVDTs can operate in extreme environments but require the NTC-6000 Signal Conditioner to convert position feedback into readable output […]

Filed Under: Industry Standards/Specifications, LVDT, Sensors Tagged With: newtek

Hermetically-sealed LVDTs serve as OEM replacements for steam turbine systems

March 5, 2021 By Mike Santora

NT-HAR Power Generationxcf

NewTek HAR Series of Hermetically-Sealed Linear Position Sensors provide critical position measurement in the monitoring and control of steam turbine valves in power plants. Ideal for power plant rehabilitation programs, these AC-operated LVDTs serve as OEM replacements for legacy applications, offering the same fit, function, and reliability as original units. Gas turbines use various valves […]

Filed Under: Position Tagged With: newteksensorsolutions

8mm photoelectric, inductive proximity and capacitive proximity sensors

March 2, 2021 By Mike Santora

Prosense-8mm-sensor

AutomationDirect has added several small sensors to the proximity sensor lineup. New rectangular 8mm x 16mm inductive proximity sensors are available in flush and non-flush mounting options, NO or NC outputs as well as NPN or PNP logic. The new 8mm round capacitive proximity sensors are able to detect materials other than metal, in a […]

Filed Under: Proximity Tagged With: AutomationDirect

ICs for interfacing inductive sensors, Part 2

March 2, 2021 By Bill Schweber

Designers who use inductive proximity sensors have a choice of high-performance signal-conditioning interface ICs, each offering different sets of features, functions, and capabilities. The first part of this article discussed some of the sensing opportunities and looked at an IC from Texas Instruments. This part looks at ICs from Renesas and Microchip Technology. Renesas IPS2550 […]

Filed Under: Featured, Frequently Asked Question (FAQ), Inductive, Position, Proximity Tagged With: FAQ

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