Products/Services for Geodetic Equipment

  • Total Stations, Theodolites, and Transits-Image
    Total Stations, Theodolites, and Transits - (58 companies)
    ...geodetic and surveying instruments) maintains standards applicable to surveying instruments. ISO 9849 discusses terminology. ISO 12858 deals with ancillary devices for the following geodetic instruments: Invar leveling staffs, tripods... Learn More
  • Mapping and Surveying Services-Image
    Mapping and Surveying Services - (1118 companies)
    Mapping and surveying services perform all of the activities that involve the physical measurement of land areas, including field surveying and data collection operations as well as the creation of maps using existing or acquired data. Search by Specification | Learn More
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    Satellites - (31 companies)
    Satellites are manmade objects placed in orbit above the Earth for a variety of civil, scientific, and military applications, such as communications, environmental monitoring, navigation, and reconnaissance. Learn More
  • Tool Boxes and Tool Cabinets-Image
    Tool Boxes and Tool Cabinets - (294 companies)
    Tool boxes and cabinets are enclosed cases for storing, organizing, and carrying tools. They are also used to protect tools from outside weather elements. Search by Specification | Learn More
  • Tool Kits-Image
    Tool Kits - (136 companies)
    Tool kits contain different types and sizes of tools, often in a convenient carrying case. Learn More

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To level the X- and Y-axes of the Model 520-W Geodetic Platform Tiltmeter, the user turns a knob that raises or lowers an invar screw by means of a worm gear assembly. One complete 360° turn of the knob turns the screw by 6°, or 1/60 of a revolution. The ½-inch diameter screw has a pitch of 40...

The Carnegie Institution of Washington has installed two Jewell Instruments Model 510 Geodetic Borehole Tiltmeters in the sea floor east of Japan. The scientists are attempting to establish long-term sea floor observatories in one of the world's most active earthquake zones. Each observatory...

...in its development, this technology may one day enable water treatment plants to purify water with ceramic membrane filters instead of harsh chemicals. , both assistant professors of civil and environmental engineering and geodetic science, and doctoral students Dong Chen and Mikko Lamminen described...

...a driven or cemented casing is recommended. covered with sand, leaving a stable instal ation that can be. The drawings below il ustrate the approximate dimensions. used for months or years. of the hole. Hole diameters of 20-30 cm are typical. The. The Lily Geodetic Borehole Tiltmeter is leveled...

Carolyn Merry As algae flourishes in the five freshwater lakes every summer, satellite images show the water changing color from blue to green, explained Carolyn Merry, professor of civil and environmental engineering and geodetic science. When algae levels are too high, water takes on a foul taste...

...and environmental engineering and geodetic science at Ohio State University. That would mean that the interior Antarctic ice sheet does not seem to be contributing to sea level rise more than 1 millimeter per year. Shum said that a one-centimeter (0.4 inch) decrease in Antarctic ice sheet volume...

...scientists on the project include Toni Schenk, professor of civil and environmental engineering and geodetic sciences; Catherine Tremper, a former graduate student in geological sciences, and now an image processing consultant to the university; Sung Woong Shin, a postdoctoral researcher at BPRC...

...and geodetic science, first developed the software that fuses lidar data and aerial imagery to automatically map areas of complex shape and elevation, such as roads or cities. Impeyong Lee, a postdoctoral researcher at BPRC, is helping Schenk adapt the software code for ICESat. Tests in Ocean City in 2001...

Pump curve. A centrifugal pump's performance may be graphically shown in a characteristic curve which usually shows data relative to the total geodetic height, to the actual motor power (BHP), to the efficiency, to the NPSHr and to the positive head, information indicated in relation to the pump...

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