impedance meter

См. также в других словарях:

• impedance meter — pilnutinės varžos matuoklis statusas T sritis fizika atitikmenys: angl. impedance meter; impedometer vok. Impedanzmeßgerät, m; Impedanzmesser, n rus. измеритель импеданса, m; измеритель полного сопротивления, m pranc. impédancemètre, m …   Fizikos terminų žodynas

• SWR meter — The SWR meter or VSWR (voltage standing wave ratio) meter measures the standing wave ratio in a transmission line. This is an item of radio equipment used to check the quality of the match between the antenna and the transmission line.The VSWR… …   Wikipedia

• PH meter — A pH meter is an electronic instrument used to measure the pH (acidity or alkalinity) of a liquid (though special probes are sometimes used to measure the pH of semi solid substances). A typical pH meter consists of a special measuring probe (a… …   Wikipedia

• Body fat meter — A body fat meter is a widely available tool used to measure the percentage of fat in the human body. Different meters use various methods to determine the body fat to weight ratio.In contrast with clinical tools, one relatively inexpensive type… …   Wikipedia

• Bioelectrical impedance analysis — (BIA) is a commonly used method for estimating body composition. Since the advent of the first commercially available devices in the mid 1980s the method has become popular owing to its ease of use, portability of the equipment and its relatively …   Wikipedia

• RX meter — An RX meter is used to measure the separate resistive and reactive components of reactive parallel Z network.The two variable frequency oscillators track each other at frequencies 100 kHz apart. The output of a 0.5 250 MHz oscillator, F1is fed in …   Wikipedia

• LCR meter — A LCR meter is a piece of electronic test equipment used to measure, among other things, the impedance (inductance, capacitance, resistance) of a component.Usually the device under test (DUT) is subjected to an AC voltage source, then the voltage …   Wikipedia

• S meter — An S meter (signal strength meter) is an indicator often provided on communications receivers, such as amateur radio receivers or shortwave broadcast receivers. The scale markings are derived from a subjective system of reporting signal strength… …   Wikipedia

• 15-meter band — In telecommunications, 15 meters is a shortwave radio band used by amateur radio operators. The band is located at 21 MHz, and almost all countries permit amateur radio activity on the entire band. The 15 meter band was opened to amateurs in the… …   Wikipedia

• Q meter — A Q meter is a piece of equipment used in the testing of radio frequency circuits. The Q meter has been largely replaced in professional laboratories by other types of impedance measuring device, though it is still in use among radio amateurs. A… …   Wikipedia

• Noise-figure meter — A noise figure meter is an instrument for measuring the noise figure of an amplifier, mixer, or similar device. An example instrument is the 1983 era Agilent 8970A. Contents 1 Measurement methods 2 Noise source 2.1 Thermal noise …   Wikipedia