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Randy Frank

What’s the weather like today – on Mars?

April 12, 2021 By Randy Frank Leave a Comment

Common question. New planet. It’s April and in the Gale Crater, where the Curiosity rover is currently exploring, that means early autumn temperatures: highs around 10°F and lows less than -100°F reported from its Rover Environmental Monitoring Station (REMS). In addition to air and ground temperatures around the rover, other measurements include atmospheric pressure, humidity […]

Filed Under: Featured, Frequently Asked Question (FAQ), Pressure, Temperature Tagged With: NASA

How can CO2 sensing help overcome COVID-19?

March 31, 2021 By Randy Frank

One sensing tool that has played an important role since the beginning of COVID-19 is data logging. Data loggers use a wide variety of sensors to measure everything from temperature to illuminance.  One specific type of data logger equipped with a CO2 sensor has been used since the beginning of the pandemic to monitor and […]

Filed Under: Covid-19, Featured, Frequently Asked Question (FAQ), Gas Sensor Tagged With: tandd

What is the difference between a pressure sensor and a load cell?

March 29, 2021 By Randy Frank

A load cell is a type of force sensor and it has a direct relationship to pressure, since: pressure = force/area                                    Eq. 1 The load cell’s electrical output is proportional to the mechanical force applied to it. The force can be hydraulic or pneumatic and the transducer is normally based on strain gauges. Other types […]

Filed Under: Featured, Frequently Asked Question (FAQ), Load cell, Pressure Sensor Tagged With: omega engineering

How have drone sensors advanced?

March 25, 2021 By Randy Frank

Large Predator B drones, built by General Atomics Aeronautical Systems and first flown in 2001, are used by the military to perform multi-mission Intelligence, Surveillance and Reconnaissance (ISR) missions over land or sea. Sensing payloads in the MQ-9A Predator B remotely piloted aircraft (RPA), include: Multi-Spectral Targeting System Model B (MTS-B) Electro-optical/Infrared (EO/IR), Lynx multi-mode […]

Filed Under: Featured, Frequently Asked Question (FAQ), GPS (Global Positioning System), Image sensing Tagged With: dji

What is the difference between a thermal IR sensor and a quantum IR sensor?

March 9, 2021 By Randy Frank

Infrared radiation (IR) can be detected by thermal IR and quantum IR sensors. A thermal IR sensor uses infrared energy as heat for detection and its sensitivity is independent of wavelengths. Therefore, it can detect objects in the near IR, mid IR, and far IR bands. The non-contact detectors do not require cooling after exposure […]

Filed Under: Featured, Frequently Asked Question (FAQ), Image sensing, Infrared Tagged With: Melexis

What is the difference between active and passive RFID?

March 4, 2021 By Randy Frank

Radio-frequency identification (RFID) tags are used to track and identify personnel (including implanted RFID) and inventory/assets in warehouses, work-in-process (WIP) in manufacturing plants, animals in laboratories, on farms or in the wild and to provide access control and for automatic toll collection for vehicles in consumer as well as government applications. The RFID tag is […]

Filed Under: Featured, Frequently Asked Question (FAQ), RFID Tagged With: Sick USA

How can the new temperature-sensitive COVID-19 vaccines’ temperatures be ensured?

February 28, 2021 By Randy Frank

The newly developed COVID-19 vaccines require low temperature storage to ensure their efficacy. For the Pfizer-BioNTech vaccine, the U.S. Centers for Disease Control and Prevention (CDC) specifically states that it should be stored in an ultra-cold freezer, thermal shipping container or refrigerator. The ultra-cold freezer’s temperature should be maintained between -80°C and -60°C (-112°F and […]

Filed Under: Featured, Frequently Asked Question (FAQ), Temperature, Thermistor, Thermocouple Tagged With: tandd

What is the future of the IoT Sensors Market?

February 22, 2021 By Randy Frank

In its report “IoT Sensors Market Research Report,” Market Research Engine expects the global IoT sensors market to grow from $10.08 billion in 2019 to $10.38 billion in 2020 at a growth rate of a mere 3.03%. The slow growth in 2020 is attributed to the economic slowdown worldwide from the COVID-19 outbreak. Expecting a […]

Filed Under: Featured, Frequently Asked Question (FAQ), Market Research Tagged With: market research engine

How is LVDT technology used for sensing?

February 15, 2021 By Randy Frank

Linear variable-differential transformer (LVDT) technology’s capability to accurately measure linear movement is used to provide a position to electrical output for pressure, acceleration and force measurements. For example, in a pressure sensor, the sensing element is a diaphragm that moves a rod or cylindrical core inside the coils of a differential transformer to change the […]

Filed Under: Featured, Frequently Asked Question (FAQ), LVDT, Pressure Sensor Tagged With: TE Connectivity

How can police locate where a gunshot came from?

February 5, 2021 By Randy Frank

Time is of the essence. When an active shooting occurs, the key to preventing and/or minimizing injuries and death is quickly identifying exactly where the shooter is, end the threat and then treat and transport victims. Gunshots have unique audio characteristics so microphones can detect and provide information for location analysis. With its ShotSpotter site […]

Filed Under: Featured, Frequently Asked Question (FAQ), GPS (Global Positioning System), Microphones, Time-of-Flight Tagged With: sst

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