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Retrieved from "https://en.wikipedia.org/w/index.php?title=Taut_band_movement&oldid=846406341"
The taut-band movement is a modern development of the D'Arsonval-Weston movement. The jewel pivots and hairsprings are replaced by tiny strips of metal under tension. Such a meter is more rugged for field use. [5] [6]
The meter movement in a moving pointer analog multimeter is practically always a moving-coil galvanometer of the d'Arsonval type, using either jeweled pivots or taut bands to support the moving coil. In a basic analog multimeter the current to deflect the coil and pointer is drawn from the circuit being measured; it is usually an advantage to ...
The Authority created a total of 8 blocks in 7 categories with the largest blocks of 2 x 5 MHz. The reserve price ranged from EUR 200,000 to EUR 2,200,000 per block. The maximum frequency spectrum that could be assigned to one company on the 1800 MHz band was 2 x 20 MHz, thus existing mobile operators could gain only 2 x 4.8 MHz each.
Certainly manufacturers of one-band and two-band mobile equipment prefer to support 2m and 70cm first (in that order) to reach the largest number of users, but once those start to become full, any spillover into a third band must go (for want of other similar frequencies) to 50MHz or to 220. --66.102.80.212 20:21, 27 March 2009 (UTC)
Survey meters in radiation protection are hand-held ionising radiation measurement instruments used to check such as personnel, equipment and the environment for radioactive contamination and ambient radiation. The hand-held survey meter is probably the most familiar radiation measuring device owing to its wide and visible use.
After the band has passed through the material the deformation proceeds uniformly with positive strain hardening. Sometimes Lüders band transition into the Portevin–Le Chatelier effect while changing the temperature or strain rate , this implies these are related phenomena [ 4 ] Lüders bands are known as a strain softening instability.
A cover meter is an instrument to locate rebars and measure the exact concrete cover. Rebar detectors are less sophisticated devices that can only locate metallic objects below the surface. Due to the cost-effective design, the pulse-induction method is one of the most commonly used solutions. [1]