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  2. Thermal imaging camera - Wikipedia

    en.wikipedia.org/wiki/Thermal_imaging_camera

    Many thermal imaging cameras use grayscale to represent normal temperature objects, but highlight dangerously hot surfaces in different colors. [5] Cameras may be handheld, [6] helmet-mounted, [7] or integrated into other equipment such as an SCBA. A handheld camera requires one hand to position and operate, leaving only one free hand for other ...

  3. CR-V3 battery - Wikipedia

    en.wikipedia.org/wiki/CR-V3_battery

    A CR-V3 battery (sometimes CRV3) is a type of disposable high-capacity 3-volt battery used in various electronic appliances, including some digital cameras. It has the shape and size of two side-by-side AA batteries. [1] This allows CR-V3 batteries to function in many (though not all) devices originally designed for only AA batteries.

  4. Thermography - Wikipedia

    en.wikipedia.org/wiki/Thermography

    Thermogram of a traditional building in the background and a "passive house" in the foregroundInfrared thermography (IRT), thermal video or thermal imaging, is a process where a thermal camera captures and creates an image of an object by using infrared radiation emitted from the object in a process, which are examples of infrared imaging science.

  5. Hand-held camera - Wikipedia

    en.wikipedia.org/wiki/Hand-held_camera

    Robert Capa in Spain using a Filmo 16 mm film camera in 1937. Hand-held camera or hand-held shooting is a filmmaking and video production technique in which a camera is held in the camera operator's hands as opposed to being mounted on a tripod or other base. Hand-held cameras are used because they are conveniently sized for travel and because ...

  6. Molten-salt battery - Wikipedia

    en.wikipedia.org/wiki/Molten-salt_battery

    Thermal batteries originated during World War II when German scientist Georg Otto Erb developed the first practical cells using a salt mixture as an electrolyte. Erb developed batteries for military applications, including the V-1 flying bomb and the V-2 rocket, and artillery fuzing systems. None of these batteries entered field use during the war.

  7. Infrared thermometer - Wikipedia

    en.wikipedia.org/wiki/Infrared_thermometer

    An infrared thermometer is a thermometer which infers temperature from a portion of the thermal radiation sometimes called black-body radiation emitted by the object being measured. They are sometimes called laser thermometers as a laser is used to help aim the thermometer, or non-contact thermometers or temperature guns , to describe the ...