Products/Services for Portable Chronometer

  • Handheld and Portable Computers-Image
    Handheld and Portable Computers - (394 companies)
    Handheld computers are portable devices including notebook and subnotebook computers, palmtops, and PDAs. Image Credit: Bartec US Corp. | PHOENIX CONTACT USA | Liquid Controls Group; a Unit of IDEX Corporation. Handheld and portable computers...
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    Ground Protection Mats and Portable Roadway - (10 companies)
    Ground protection mats and portable roadways are temporary material installations that reduce damage to underlying surfaces from traffic and also provide better traction for equipment and individuals. Ground protection mats and portable roadway...
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    Light Towers - (61 companies)
    Light Towers are portable lighting devices that are used to illuminate work areas. These products are commonly towable and provide their own power source. Light towers are portable lighting solutions containing an array of electric lamps affixed...
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    Work Lights - (58 companies)
    Work lights are portable luminaires that provide illumination to dark and dim work zones. Work lights are portable luminaires employed in places with dim or no illumination. These are temporary, versatile devices that enable activities when daylight...
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  • Sampling Pumps-Image
    Sampling Pumps - (78 companies)
    Sampling pumps are used to monitor liquids, air, and gases. They are usually portable and developed for specific tasks. Some sampling pumps are designed to move abrasive materials, acids, chemicals, coolants, hazardous materials, gasoline, diesel...
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    Notebook and Laptop Computers - (502 companies)
    Notebook and laptop computers unify basic computing components and peripherals into a single device. This portability is often at the expense of memory capacity and computing power. Notebook and laptop computers are personal computers which unite...
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    Vacuum Cleaners - (319 companies)
    Vacuum cleaners are capable of picking up large quantities of material and/or liquids. They can be portable devices or part of a central vacuum system. Vacuum cleaners are capable of picking up large quantities of material and/or liquid in a wide...
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    Data Collection Terminals - (124 companies)
    Data collection terminals are portable or handheld devices that are used to input, read, and/or log data. They often have barcode and wireless data transmission capability. Data collection terminals are portable or handheld devices used to input...
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    Downdraft Tables - (65 companies)
    Downdraft tables are self-contained, portable filtration systems that remove harmful particulates and return filtered air. They are indoor air quality devices that draw-down air and do not require external ventilation. Often, downdraft tables...
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    Digital Thermometers - (499 companies)
    Digital thermometers are portable temperature sensing devices that have permanent probes and a digital display. How to Select Digital Thermometers?. What are Digital Thermometers?. Digital thermometers are temperature-sensing instruments...
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  • Planetary science: The time machine : Nature News & Comment
    Translating the Moon's crater chronometer to Mars is a delicate business, says Barbara Cohen, a planetary scientist at Marshall Space Flight Center in Huntsville, Alabama, who is developing a rival portable chronometer .
  • To think newly the innovation
    From beginning of the 17th century, an intensive competition with France about development of a chronometer that could take the ships of the British SeetIotte to its travelings with themselves developed ( portable ) a presented the as exact navigation as possible to ermöglichen …
  • From the Earth's Core to Outer Space
    Only more than two centuries later precise portable chronometers finally solved for the problem of longitude determination.
  • Explorations in the History of Machines and Mechanisms
    The introduction of the spring motor, with snail wheel, made the real movable domestic clock possible and, finally, thanks to the advances in reducing sizes, the portable chronometer , which we know as pocket or waist watch (Fig. 1).
  • Astronomical azimuth determination by the hour angle of Polaris using ordinary total stations
    The sychronization may be done by: - The conventional method where the observer hears the broadcast radio time signals and sets the correct time in the instrument clock, as it was done with the old portable chronometer used in geodetic astronomy.
    1 2 customs Durchmeller; and 3rd two portable chronometers after B e r t 11o u d.
  • Alaska's Own Cartographers
    … to do, beginning from Cape St. Elias north but to decide on the longitude of the various places by astronomical observations, which our mariners did not have the facilities for doing."4 (Captain James Cook, of course, had the first portable chronometers .
    In chapter 11 the determination of the clock error on Greenwich Time by wireless signals, portable chronometers and flashlight signals is described.
    The key invention was the portable chronometer developed in London by John Harrison in 1761 (Frazee, 1968).
  • d'Arsonval, physician and inventor
    In 1886 d’Arsonval devised a portable chronometer that per- mitted measuring the time between stimulus and aresponse with an accuracy of 1/1OOthof a second.

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RS Components, Ltd.
Liberty Electronics, Inc.
A.H. Systems Inc.
Rego Electronics Inc.