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Randy Frank

How do you sense water hammer?

April 29, 2024 By Randy Frank

Water hammer is the audible noise resulting from the hydraulic shock that occurs when a valve shuts off the flow of water or any other liquid too quickly. The high-pressure spike or pressure transient produced in this situation can cause permanent damage to pipes and other equipment. A rather straightforward equation makes calculating the water […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones, Pressure Sensor Tagged With: anchor pumps

What sensors and measurements can prevent HAVS?

April 17, 2024 By Randy Frank

Hand-Arm Vibration Syndrome (HAVS) injuries can occur in industrial and other work situations. Also called Raynaud’s phenomenon, vibration-induced white finger, and traumatic vasospastic disease, HAVS has been well known and documented since 1918. It is a prevalent occupational hazard in the construction, forestry, manufacturing, and mining industries, where workers are at high risk of developing […]

Filed Under: Accelerometer, Applications, Featured, Frequently Asked Question (FAQ), Industrial, Vibration Tagged With: pulsar instruments

How can you detect LEL?

March 30, 2024 By Randy Frank

For combustible gases, the Lower Explosive Limit (LEL) or Lower Flammable Limit (LFL) is the minimum concentration of vapor in air below which the propagation of the flame does not occur when it contacts an ignition source, such as a spark or flame. In a specific area or space, if the LEL of a gas […]

Filed Under: Featured, Frequently Asked Question (FAQ), Gas Sensor, Industrial Tagged With: wermac

What pressure levels impact the eardrum?

March 20, 2024 By Randy Frank

Previous blogs have discussed human body pressures including blood pressure and optical pressures. However, there are several more pressure measurements for different body locations that need to be considered. For example, the pressures created by different situations on the human ear, and specifically the eardrum, are critically important. High noise environments such as industrial machinery […]

Filed Under: Acoustic, Featured, Frequently Asked Question (FAQ), Pressure Tagged With: pulsar instruments

How Matter impacts sensors: part 2

March 6, 2024 By Randy Frank

Part 1 of this article discussed sensors and products compatible with the Connectivity Standards Alliance (CSA) Matter standard that were announced at CES 2024. This included a Matter-compliant bridge that allows previously available products to be Matter-compliant. Compliant products gain the benefits of ease of interconnectivity via Wi-Fi and increased security through Matter’s use of […]

Filed Under: Applications, Consumer, Featured, Frequently Asked Question (FAQ), Industry Standards/Specifications, Security Tagged With: eve systems

How Matter impacts sensors: part 1

March 1, 2024 By Randy Frank

With the support of connectivity companies such as Amazon, Apple, Google, Samsung Electronics, and more, the Connectivity Standards Alliance (CSA) announced the Matter standard in October 2022. The standard’s intent is to provide secure and easy-to-configure interconnected products for consumers. That type of interconnectivity is essential to smart homes. When Matter 1.2 was announced in […]

Filed Under: CES 2024, Consumer, Featured, Frequently Asked Question (FAQ), Industry Standards/Specifications, Security Tagged With: lockly

How current sensing impacts electric vehicles: part 2

February 26, 2024 By Randy Frank

Part 1 of this blog addressed current shunts and Hall-effect sensor designs. This part discusses current transformers and new technology options, such as magnetoresistance and diamond quantum sensors. One of the significant issues in today’s electric vehicles (EVs) is the ongoing evolution of technology, with the standards evolving as well. In the 100+ years that […]

Filed Under: Automotive, Current Sensor, EV Engineering, Featured, Frequently Asked Question (FAQ) Tagged With: TDK

How current sensing impacts electric vehicles: part 1

February 22, 2024 By Randy Frank

The need to transition from gasoline and diesel (fossil fuels) powered vehicles to electric vehicles (EVs) to reduce carbon dioxide levels has revealed many controversial issues. Common issues include implementation timing, required infrastructure (including fast-charging multi-vehicle systems), legislated rather than consumer-based adoption, ongoing system enhancements, and new critical raw materials sources. Current sensing technology is […]

Filed Under: Applications, Automotive, Current Sensor, Featured, Frequently Asked Question (FAQ) Tagged With: research reports world

How can awareness of the need for CO sensors be increased?

February 16, 2024 By Randy Frank

Public outcries for reducing carbon dioxide (CO2) emissions to reduce their climate change impact have been widely promoted for more than two decades. However, attention to a more immediate public health problem from carbon monoxide (CO) has not received anywhere near the same level of attention– unless the deaths get news coverage. For example, in […]

Filed Under: Chemical Sensor, Featured, Frequently Asked Question (FAQ), Gas Sensor Tagged With: kidde

How is sensing used to detect glaucoma?

February 12, 2024 By Randy Frank

The term glaucoma is used to describe a group of eye diseases. In addition to damaging the eye’s optic nerve, glaucoma can result in vision loss and even blindness. About 3 million Americans have glaucoma, but the disease affects more than 67 million people worldwide and is the second leading cause of blindness. Glaucoma occurs […]

Filed Under: Featured, Frequently Asked Question (FAQ), Pressure Tagged With: verywell health

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