Products/Services for Geodetic Instrument

  • 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)
    ...such as an electronic data collector. Mapping services that use other types of surveying instruments are also available. Mapping and surveying services perform topographic surveys, planimetric surveys, mineral reserve surveys, boundary surveys... Search by Specification | Learn More
  • Calibration Instruments-Image
    Calibration Instruments - (621 companies)
    ...standard of known properties is used to calibrate the instrument. Reference standards include weight and mass standards, chemical standards, calibration gases, hardness test blocks, and time and frequency standards. Calibration instruments... Search by Specification | Learn More
  • Electronic and Instrument Enclosures-Image
    Electronic and Instrument Enclosures - (880 companies)
    How to Select Electronic and Instrument Enclosures. Electronic and instrument enclosures are structures that house electronic components and instruments. They are usually designed for handheld or desktop applications. Example applications include... Search by Specification | Learn More
  • Instrument Calibration Services-Image
    Instrument Calibration Services - (773 companies)
    Instrument calibration services test equipment and calibrate them to various standards. Instrument Calibration Services. Instrument calibration service providers calibrate various instruments including many types of process monitoring devices... Search by Specification | Learn More
  • Gas Instruments - (953 companies)
    ...where further analysis and record keeping can be performed. Gas instruments and air instruments can sense sometimes just one gas or else can sense multiple types of gases with one instrument. Measurement Types. When analyzing gases there are seven... Search by Specification | Learn More
  • Weather Instruments - (348 companies)
    ...for short-term forecasting. Due to the variety of instrument quantity and quality, however, amateur reporting is subject to wide variations in measurement accuracy. Types. Weather instruments are classified foremost by the type of atmospheric conditions... Search by Specification | Learn More
  • Miniature Bearings and Instrument Bearings - (177 companies)
    Miniature bearings and instrument bearings carry moderate radial and thrust loads at low operating torque while providing high performance in a small envelope design. These types of bearings are single row ball bearings available in up to 1 1/8... Search by Specification | Learn More
  • Instrument and Computer Power Connectors - (27 companies)
    Instrument power connectors and computer power connectors are used to connect a computer 's power supply to a hard disk, floppy disk, compact disk (CD), digital video disk (DVD), or other type of disk drive. Instrument power connectors and computer... Learn More
  • Vibration Measurement Instruments and Vibration Analyzers - (340 companies)
    ...acquisition and either a local display or some sort of output to a computer or another instrument. Vibration measurement instruments and vibration analyzers can have many features, including incorporating features such as totalizing, local or remote... Search by Specification | 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...

...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...

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  • Volcano Deformation
    Geodetic instruments that rely on gravity to establish the vertical, such as spirit levels and theodolites, give results that are implicitly re- ferenced to the geoid.
  • Geodetic Reference Frames
    Surveying co- located space- geodetic instruments for ITRF computa- tion, Journal of Geodesy , doi: 10.1007/s00190-004- 0387-0.
  • Global Geodetic Observing System
    Unlike the ICRS, the realization of the ITRS through the ITRF is based on a combination of results from several space geodetic techniques, and local sur- vey measurements between reference points of geodetic instruments (so-called local ties) co-located at the...
  • Encyclopedia of Solid Earth Geophysics
    However, other sources that produce deformation of the Earth’s surface do not gener- ate seismic waves but are instead observable with sensi- tive geodetic instruments that measure the crustal deformation directly.
  • États-unis
    Henry Wild and the Development in the Design and Construction of Modern Geodetic Instruments (Paper read by Mr. F. J. DOYLE,Assistant Professor of Photogrammetry of the Institute of Geodesy, Photogram- metry and Cartography).