primary+meter

См. также в других словарях:

• Meter (music) — Musical and lyric metre. See also: Hymn meter and Poetic meter. Meter or metre is a term that music has inherited from the rhythmic element of poetry (Scholes 1977; Latham 2002) where it means the number of lines in a verse, the number of… …   Wikipedia

• Primary mirror — A primary mirror (or primary) is the principal light gathering surface of a reflective telescope. For most of astronomy s history, primary mirrors used to be monolithic blocks of glass or other material, curved to exact shapes and coated with a… …   Wikipedia

• Primary flow element — A primary flow element is the element of a flow meter that serves to indicate the quantity or velocity of flow. For example, in the case of an orifice flow meter, the differential pressure across the orifice plate is the primary flow element. A… …   Wikipedia

• Compound meter (music) — In music, compound meter, compound metre, or compound time ( chiefly British variation ), is a time signature or meter in which each measure is divided into three or more parts, or two uneven parts (as opposed to two even parts, called simple… …   Wikipedia

• Gas meter — A gas meter is used to measure the volume of fuel gases such as natural gas and propane. Gas meters are used at residential, commercial, and industrial buildings that consumes fuel gas supplied by a gas utility. Gases are more difficult to… …   Wikipedia

• Glucose meter — A glucose meter (or glucometer) is a medical device for determining the approximate concentration of glucose in the blood. It is a key element of home blood glucose monitoring (HBGM) by people with diabetes mellitus or with proneness to… …   Wikipedia

• Automatic meter reading — [ smart meter ( [http://www.elstermetering.com/en/1914.shtml Elster REX type R15] ) with 900MHz mesh network topology for AMR] Automatic meter reading, or AMR, is the technology of automatically collecting data from water meter or energy metering …   Wikipedia

• E-meter — An E meter is an electronic device used as an aid in some forms of Dianetics and Scientology auditing. The device is a variation on an ohmmeter, using a Wheatstone bridge to measure electrical resistance. The device is formally known as the… …   Wikipedia

• 6-meter band — The 6 meter band is a portion of the VHF radio spectrum allocated to amateur radio use. Although located in the lower portion of the VHF band, it nonetheless occasionally displays propagation mechanisms characteristic of the HF bands. This… …   Wikipedia

• Optical power meter — in use An optical power meter (OPM) is a device used to measure the power in an optical signal. The term usually refers to a device for testing average power in fiber optic systems. Other general purpose light power measuring devices are usually… …   Wikipedia

• Digital panel meter — Digital panel meters are used to display an input signal, and measure current, voltage, and frequency. They are equipped with bright LED displays for display only or set point control options. Many panel meters also include alarm options as well …   Wikipedia