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The meter communicates to its collection point using 900 MHz mesh network topology. Automatic meter reading (AMR) is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (gas, electric) and transferring that data to a central database for billing, troubleshooting, and ...
DFPH – Barrels of fluid per hour; DFR – drilling factual report; DG/DG# – diesel generator ('#'- means identification letter or number of the equipment i.e. DG3 or DG#3 means diesel generator nr 3) DGA – diglycoamine; DGDS – dual-gradient drilling systems; DGP – dynamic geohistory plot (3D technique) [10] DH – drilling history
An electric generator is mechanically identical to an electric motor, but operates in reverse, converting mechanical energy into electrical energy. Electric motors can be powered by direct current (DC) sources, such as from batteries or rectifiers, or by alternating current (AC) sources, such as a power grid, inverters or electrical generators.
Heat exchangers or similar units for producing steam from water are often called boilers or steam generators. In the nuclear power plants called pressurized water reactors, special large heat exchangers pass heat from the primary (reactor plant) system to the secondary (steam plant) system, producing steam from water in the process.
U-matic or 3 ⁄ 4-inch Type E Helical Scan [1] [2] or SMPTE E [3] is an analogue recording videocassette format first shown by Sony in prototype in October 1969, and introduced to the market in September 1971.
Surface-mount technology was developed in the 1960s. By 1986, surface-mounted components accounted for 10% of the market at most but were rapidly gaining popularity. [4] By the late 1990s, the great majority of high-tech electronic printed circuit assemblies were dominated by surface mount devices.
The passing years aggravated the problem of rush-hour traffic and to ease the situation, double-decker trams were introduced in September 1920. B E S & T Co. Ltd. 1 Anna Token Booklet with advertisement of Bombay Mutual Life Insurance The city's first bus in 1926. Since 1913, the company had been pondering over starting a motorised bus service ...
Oxygen piping and regulator with flow meter, for oxygen therapy, mounted in an ambulance Oxygen is widely used by hospitals, EMS , and first-aid providers in a variety of conditions and settings. A few indications frequently requiring high-flow oxygen include resuscitation , major trauma , anaphylaxis , major bleeding , shock , active ...