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  2. Infrared open-path detector - Wikipedia

    en.wikipedia.org/wiki/Infrared_open-path_detector

    Acquired by Det-Tronics (Detector Electronics Corporation) in 1992, the detector operated in the 3.4 μm region with a powerful incandescent source and a mechanical chopper. It did not achieve large volume sales, mainly because of cost and doubts about long-term reliability with moving parts.

  3. Test light - Wikipedia

    en.wikipedia.org/wiki/Test_light

    A test light, test lamp, voltage tester, or mains tester is a piece of electronic test equipment used to determine the presence of electricity in a piece of equipment under test. A test light is simpler and less costly than a measuring instrument such as a multimeter , and often suffices for checking for the presence of voltage on a conductor.

  4. Radar detector detector - Wikipedia

    en.wikipedia.org/wiki/Radar_detector_detector

    This form of "electronic warfare" cuts both ways and since detector-detectors use a similar superheterodyne receiver, many early "stealth" radar detectors were equipped with a radar-detector-detector-detector circuit, which shuts down the main radar receiver when the detector-detector's signal is detected, thus preventing detection by such ...

  5. Annunciator panel - Wikipedia

    en.wikipedia.org/wiki/Annunciator_panel

    Since incandescent lamps were used, a lamp test button was always provided to allow early detection of failed lamps. Modern electronic distributed control systems usually require less wiring since the process signals can be monitored within the control system, and the engraved windows are replaced by alphanumeric displays on a computer monitor.

  6. Talk:Test light - Wikipedia

    en.wikipedia.org/wiki/Talk:Test_light

    I can buy a 12V test lamp or a neon screwdriver in the pound shop for £1, or maybe £10 from Snap-on. A real 240V test lamp is £35-£40. A real 240V test lamp is £35-£40. The accident issue isn't about dropping a spanner across the busbar, it's about current through the tester - impedance, not insulation.

  7. Deuterium arc lamp - Wikipedia

    en.wikipedia.org/wiki/Deuterium_arc_lamp

    A deuterium arc lamp (or simply deuterium lamp) is a low-pressure gas-discharge light source often used in spectroscopy when a continuous spectrum in the ultraviolet region is needed. Plasma "arc" or discharge lamps using hydrogen are notable for their high output in the ultraviolet, with comparatively little output in the visible and infrared.

  8. Loop-mediated isothermal amplification - Wikipedia

    en.wikipedia.org/wiki/Loop-mediated_isothermal...

    Loop-mediated isothermal amplification (LAMP) primers [1] Loop-mediated isothermal amplification (LAMP) product [1]. In LAMP, the target sequence is amplified at a constant temperature of 60–65 °C (140–149 °F) using either two or three sets of primers and a polymerase like Bst Klenow fragment with high strand displacement activity in addition to a replication activity.

  9. TTI, Inc. - Wikipedia

    en.wikipedia.org/wiki/TTI,_Inc.

    Originally named Tex-Tronics, Inc., Andrews changed the name to TTI, Inc., in 1973 to avoid a legal dispute involving another company with a similar name. Founded to serve aerospace and defense equipment manufacturers, the company’s customers now include manufacturers in the transportation, industrial, medical, and communications sectors.