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Instrument for measuring electric charge
An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. There are many different types, ranging from
Electrometer
Device that measures electrical charges on skin
The E-meter (also electropsychometer and Hubbard Electrometer) is an electronic device used by the Church of Scientology during a counseling practice known
E-meter
French physicist (1845–1921)
allowed him to develop a sensitive capillary electrometer—subsequently known as the Lippmann electrometer—which was used in the first ECG machine. In a
Gabriel_Lippmann
A Lippmann electrometer is a device for detecting small rushes of electric current and was invented by Gabriel Lippmann in 1873. The device consists of
Lippmann_electrometer
Form of an electrical aerosol instrument used in aerosol studies
Faraday cup electrometer is the simplest form of an electrical aerosol instrument used in aerosol studies. It consists of an electrometer and a filter
Faraday_cup_electrometer
French physicist and chemist (1859–1906)
piezoelectricity. To aid this work, they invented the piezoelectric quartz electrometer. In 1881, they demonstrated the reverse effect; that crystals could be
Pierre_Curie
Examination of the heart's electrical activity
Augustus Waller invented an ECG machine consisting of a Lippmann capillary electrometer fixed to a projector. The trace from the heartbeat was projected onto
Electrocardiography
Polish-French physicist and chemist (1867–1934)
developed a version of the electrometer, a sensitive device for measuring electric charge. Using her husband's electrometer, she discovered that uranium
Marie_Curie
Type of radiation dosimeter
dosimeter (SIPD) or self reading pocket dosimeter (SRPD) or quartz fibre electrometer (QFE), is a type of radiation dosimeter, a pen-like device that measures
Quartz_fiber_dosimeter
Device for measuring chemicals
sample by creating charged aerosol particles which are detected using an electrometer. It is commonly used for the analysis of compounds that cannot be detected
Charged_aerosol_detector
American physicist and inventor (1906–1970)
equipment bears his name today as the: Shonka ionization chamber, the Shonka electrometer, and Shonka plastics. In 1906, Francis R. Shonka was born at Linwood
Francis_Rudolph_Shonka
Instrument used for measuring ionizing radiation
creation of a Townsend discharge for every alpha particle entering the vessel. At very low count rates these registered as "kicks" on an electrometer needle.
Geiger_counter
Waves or particles moving through space
and proven to exist in 1912, as the scientist Victor Hess carried an electrometer to various altitudes in a free balloon flight. The nature of these radiations
Radiation
University from 1904 to 1914 and 1918-1935. He designed and built an electrometer which could detect the presence of energetic charged particles (or electromagnetic
Theodor_Wulf
Early scientific instrument to detect charge
instrument that measures electric charge quantitatively is called an electrometer. The electroscope was the first electrical measuring instrument. The
Electroscope
British physicist (1856–1940)
the charge from the rays. Thomson constructed a Crookes tube with an electrometer set to one side, out of the direct path of the cathode rays. Thomson
J._J._Thomson
British physicist, engineer and mathematician (1824–1907)
instruments for measuring the atmospheric electric field, using some of the electrometers he had initially developed for telegraph work, which he tested at Glasgow
Lord_Kelvin
Third Artificial Earth Satellite
counters Charged particles Piezo-Electric Meteorite Counter Micrometeoroids Fluxgate Magnetometer Magnetic field Field Mill Electrometer Electric field
Sputnik_3
Electrical properties of biological cells
voltage changes recorded from the cell. The "amplifier" is actually an electrometer, sometimes referred to as a "unity gain amplifier"; its main purpose
Electrophysiology
Genevan scientist and mountaineer (1740–1799)
electricity and magnetism. For this, he devised what became one of the first electrometers. From 1772 to 1773 trips led him to Italy, where he studied Mount Etna
Horace_Bénédict_de_Saussure
Phenomena related to electric charge
for classroom demonstrations, has been superseded by the electronic electrometer. The movement of electric charge is known as an electric current, the
Electricity
English bookseller and physicist
Norwich, now remembered as an experimental physicist, working with electrometers and vacuum flasks. He published at Norwich in 1789 a quarto volume of
Abraham_Brook
using a combination of electrical charging and multiple solid state electrometer detectors. The technique combines both diffusion and field charging regimes
Electrical aerosol spectrometer
Electrical_aerosol_spectrometer
Noncontact variant of atomic force microscopy
unit with lock-in amplifier and backing potential controller. On the right is the x, y, z scanning axis with vibrator, electrometer and probe mounted.
Kelvin_probe_force_microscope
Lee, Joonhee (2018-06-01). "Microscopy with a single-molecule scanning electrometer". Science Advances. 4 (6) eaat5472. Bibcode:2018SciA....4.5472L. doi:10
Center for Chemistry at the Space-Time Limit
Center_for_Chemistry_at_the_Space-Time_Limit
Electricity in planetary atmospheres
spheres suspended in parallel with two thin wires) was a precursor to the electrometer. Saussure found that the atmospheric electrification under clear weather
Atmospheric_electricity
Superconducting qubit implementation
read-out by electrostatically coupling the island to an extremely sensitive electrometer such as the radio-frequency single-electron transistor. Typical T2 coherence
Charge_qubit
Gas-filled radiation detector
field. This generates an ionization current which is measured by an electrometer circuit in the region of femtoamperes to picoamperes, depending on the
Ionization_chamber
Electromagnetic property of matter
charge. The quantity of electric charge can be directly measured with an electrometer, or indirectly measured with a ballistic galvanometer. The elementary
Electric_charge
Device for measuring a physical quantity
electromagnetism and Covariant formulation of classical electromagnetism) Electrometer is often used to reconfirm the phenomenon of contact electricity leading
List_of_measuring_instruments
Device that measures electric current
com. Ix Innovations. Retrieved 2014-07-11. "quadEM: A General Purpose Electrometer for Beam Position Monitoring" (PDF). Argonne National Laboratory – Advanced
Ammeter
Connection between brain and computer
rubber bandages. Berger connected these sensors to a Lippmann capillary electrometer, with disappointing results. However, more sophisticated measuring devices
Brain–computer_interface
Methods and tools to measure electricity
reactance and susceptance Magnetic flux Electrical charge by the means of electrometer Partial discharge measurement Magnetic field by the means of Hall sensor
Electrical_measurements
Law of electrical current and voltage
(current) for the dry pile—a high voltage source—in 1814 using a gold-leaf electrometer. He found for a dry pile that the relationship between the two parameters
Ohm's_law
Implementation of technical standards based on the consensus of different parties
introduced a series of effective instruments, including the quadrant electrometer, which cover the entire field of electrostatic measurement. He invented
Standardization
laser and maser, Nobel Prize winner Georg Wilhelm Richmann, inventor of electrometer, pioneer researcher of atmospheric electricity, killed by a ball lightning
List_of_Russian_scientists
Aspect of extrasensory perception
barometer measures the weight (baro, weight) of the atmosphere; the electrometer measures electric conditions; the psychometer measures the soul (psyche)
Psychometry_(paranormal)
German film director and cinematographer
amounts of light. At the same time, miniature, high sensitivity, low power electrometer amplifier vacuum tubes had become available that could amplify the small
Karl_Freund
Device or tool used for scientific purposes
Calorimeter, heat DNA sequencer, molecular biology Dynamometer, torque/force Electrometer, electric charge, potential difference Electroscope, electric charge
Scientific_instrument
American measurement company
product enjoyed some success in sales, but it was the next product, an electrometer, that clinched the future for Keithley's fledgling company. The company
Keithley_Instruments
American engineer
included nondispersive infrared gas analyzers electrometers such as the Cary Model 31 and 36 Electrometers which used a vibrating reed with an ionization
Howard_Cary
Electromotive force of a half reaction cell versus standard hydrogen electrode
the electrode in question is connected to the positive terminal of the electrometer, while the standard hydrogen electrode is connected to the negative terminal
Standard_electrode_potential
current is amplified and displayed by a high-gain differential amplifier/electrometer. This ion current differs for different gases at the same pressure; that
Hot-filament_ionization_gauge
Device for electrolysing water
was coined by Daniell, who shortened Faraday's original name of "volta-electrometer". Hofmann voltameters are no longer used as electrical measuring devices
Hofmann_voltameter
Device that converts energy from one form to another
Cathode-ray tube (CRT) – convert electrical signals into visual signals Electrometers Resistance temperature detectors (RTD) – convert temperature into an
Transducer
Device that generates electrical charge on a high voltage electrode
sectorless machines were investigated by Musaeus. In 1872, Righi's electrometer was developed and was one of the first antecedents of the Van de Graaff
Electrostatic_generator
High-energy particle, mainly originating outside the Solar System
radiation by the intervening air. In 1909, Theodor Wulf developed an electrometer, a device to measure the rate of ion production inside a hermetically
Cosmic_ray
Electrical time sequence measurement
mercury capillary electrometer. This sparked research into modern ECG technology, which was developed from the mercury capillary electrometer by Willem Einthoven
Flatline
Vacuum tube with four active electrodes
Another important application of the space-charge tetrode was as an electrometer tube for detecting and measuring extremely small currents. For example
Tetrode
and a grid. The collector current is measured in picoamperes by an electrometer. The filament voltage to ground is usually at a potential of 30 volts
Pressure_measurement
Irish physicist and mathematician
cells that he developed for the purpose. He invented the absolute sine-electrometer and was a prolific author of mathematical and scientific textbooks and
George_Minchin
French physicist
electricity. Together with Patrick d'Arcy, he constructed in 1749 the first electrometer, a device for detection of electrical charges and voltages. He also experimented
Jean-Baptiste_Le_Roy
Electrostatics experiment
insulated pewter ice-pail...connected by a wire to a delicate gold-leaf electrometer E, and let C be a round brass ball insulated by a dry thread of white
Faraday's_ice_pail_experiment
Egyption businessman and telecom leader
Bank Egypt Board Member Barclays Bank Egypt and Vodacom Africa Board Member Vodafone Egypt and Malta Board Member ElSweedy Electrometers Board Member
Hatem_Dowidar
Charged particle catcher
Electron multiplier Microchannel plate detector Daly detector Faraday cup electrometer Faraday cage Faraday constant SWEAP Brown, K. L.; G. W. Tautfest (September
Faraday_cup
NASA satellite of the Explorer program
quadrispherical electrostatic analyzer with a current collector and an electrometer amplifier was intended to detect and analyze the positive ion component
Explorer_28
English scientist and engineer (1788–1873)
Ronalds created a sophisticated collecting apparatus with a suite of electrometers; the equipment was later manufactured and sold by London instrument-makers
Francis_Ronalds
Radiation detector
fill gas. The disadvantages are 1) low output requiring sophisticated electrometer circuit and 2) operation and accuracy easily affected by moisture. Proportional
Gaseous_ionization_detector
Quantum computing implementation
adjustable DC-SQUID magnetometer. States may also be measured using an electrometer. A more general readout scheme includes a coupling to a microwave resonator
Superconducting quantum computing
Superconducting_quantum_computing
Electronic measuring instrument that combines several measurement functions in one unit
very small or very large quantities. These include nanovoltmeters, electrometers (for very low currents, and voltages with very high source resistance
Multimeter
NASA satellite of the Explorer program
quadrispherical electrostatic analyzer with a current collector and an electrometer amplifier was used to detect and analyze the positive ion component of
Explorer_18
English electrophysiologist (1889–1977)
methods. Continuing earlier studies of Keith Lucas, he used a capillary electrometer and cathode-ray tube to amplify the signals produced by the nervous system
Edgar_Adrian
Lippmann (1845–1921), France – Lippmann plate, Integral imaging, Lippmann electrometer Lisitsyn brothers, Ivan Fyodorovich and Nazar Fyodorovich, Russia – samovar
List_of_inventors
NASA satellite of the Explorer program
current-voltage (I-V) curve for a known voltage pattern placed on the collector. Electrometers were used to measure the current. There were two systems of operation
Explorer_55
French physicist and inventor (1844–1940)
of making the test was, by connecting the electrodes of a capillary electrometer to the two poles of a Daniell cell with a sulphate of cadmium solution
Édouard_Branly
Geoscientific research organization
micro-Raman spectrometer. High-pressure laboratory consisting of Keithly electrometer, strain-measuring sensors, universal testing machine (100 tons), and
National Geophysical Research Institute
National_Geophysical_Research_Institute
Spectroscopic technique
Apkarian, V. Ara (June 2018). "Microscopy with a single-molecule scanning electrometer". Science Advances. 4 (6) eaat5472. Bibcode:2018SciA....4.5472L. doi:10
Raman_spectroscopy
inventor of videotape recorder Georg Wilhelm Richmann, inventor of electrometer, died from ball lightning during an experiment Pavel Schilling, inventor
List_of_Russian_people
Tool for measuring electrostatic charge on objects
electric field, if sufficient sensitivity is available. Coulombmeter Electrometer Electroscope Electrostatic voltmeter Faraday cup Roman, F.; Cooray, V
Electrostatic_fieldmeter
working to separate the substances in uranium ores and then using the electrometer to make radiation measurements to 'trace' the minute amount of unknown
History_of_chemistry
Argentine writer and physicist (1911–2011)
future writing. During that time of antagonisms, I buried myself with electrometers and graduated cylinders during the morning and spent the nights in bars
Ernesto_Sabato
Electromotive force of a cell built of two electrodes
potential measurements are performed with the positive terminal of the electrometer connected to the working electrode and the negative terminal to the reference
Electrode_potential
Italian abbot, physicist, mathematician and teacher (1761–1825)
observatory from 1757 to 1817. He examined the use of lightning conductors, electrometers and the conductivity of metals. He also took an interest in agriculture
Antonio_Vassalli_Eandi
Electromagnetic effect in physics
of Laughlin quasiparticles was measured directly in a quantum antidot electrometer at Stony Brook University, New York. In 1997, two groups of physicists
Fractional quantum Hall effect
Fractional_quantum_Hall_effect
Electronic component
filters, automatic gain-control circuits, clock generators, compressors, electrometers, energy harvesters, expanders, hearing aids, light dimmers, modulators
Voltage-controlled_resistor
Undersökningar rörande elektrometrar (en.: Investigations concerning electrometers) (Ph.D. thesis) (in Swedish). Stockholm College (Gleerup). p. 374. Vem
Gustaf_Ising
German-born British amateur astronomer, inventor of the Lindemann electrometer, a quadrant electrometer DMP · 828 829 Academia 1916 ZY The Russian Academy of Sciences
Meanings of minor-planet names: 1–1000
Meanings_of_minor-planet_names:_1–1000
American geophysicist (1883–1987)
Earth’s atmosphere is affected by atomic bomb tests. Gish developed electrometer designs and collaborated "in instrument development for earth-currents
Oliver_Holmes_Gish
Space protecting occupants from radioactive debris
expensive and require frequent calibration. It is possible to construct an electrometer-type radiation meter called the Kearny fallout meter, which does not
Fallout_shelter
Surname list
Lippmann plate is a clear glass plate in early photography a Lippmann electrometer is a device for detecting small rushes of electric current, invented
Lippmann
Spectrophotometer (front) Cary Model 81 Raman Spectrophotometer Cary Model 31 Electrometer Cary Model 41 Calorimeter ^ NIST PDF file about the founding. ^ Varian
Cary_Instruments
English early pioneer of electrical research
and introduced several enhancements. He invented an improved gold-leaf electrometer that was used widely for many years. A key feature was a new mode of
George_Singer
Design of radiation meter
electroscope developed in 1787 by Abraham Bennet. Prior to this, the use of the electrometer principle for radiation detection had seen widespread application in
Kearny_fallout_meter
Electronic device
level of device integration. Applicable areas include: super-sensitive electrometers, single-electron spectroscopy, DC current standards, temperature standards
Single-electron_transistor
for electrical measurements of precision his quadrant and absolute electrometers. The reflecting galvanometer and siphon recorder, as applied to submarine
History of electromagnetic theory
History_of_electromagnetic_theory
French physicist (1785–1845)
Kingdom of France Died 27 October 1845(1845-10-27) (aged 60) Paris, Kingdom of France Occupation Physicist Known for Peltier effect Peltier electrometer
Jean_Charles_Athanase_Peltier
versorium can easily be built using household materials. Static electricity Electrometer Brian Davies (1980). "To make a vain man humble". Physics Education.
Versorium
Instrument for detecting voltage
ammeters. A similar distinction can be made between electroscopes, electrometers, and voltmeters for voltage measurements. Frogs were a popular subject
Frog_galvanoscope
Maximum Ratings (for example the E80F was more suitable for audio and electrometer applications, lacking the RF screening of the EF80, with anode and screen
Mullard–Philips tube designation
Mullard–Philips_tube_designation
1830s electrical telegraph system
Faraday for expert advice. In 1836, Cooke built both an experimental electrometer system and a mechanical telegraph involving a clockwork mechanism with
Cooke and Wheatstone telegraph
Cooke_and_Wheatstone_telegraph
Science Museum in Leiden, Netherlands
mirror galvanometers, a quadrant electrometer . Apparatuses to study radiation: a Wilson cloud chamber, an electrometer with ionization chamber, X-ray,
Museum_Boerhaave
graphite anode 4Y50 – Indirectly heated beam tetrode E1 – Electrometer tetrode E2 – Dual electrometer tetrode ST130 – 130 V Neon-filled voltage reference Since
List_of_vacuum_tubes
Instrument for measuring electric charge
the volt. Michael Faraday used an apparatus that he termed a "volta-electrometer"; subsequently John Frederic Daniell called this a "voltameter". The
Voltameter
German astronomer
Tübingen. The lunar crater Bohnenberger is named after him. Bohnenberger electrometer Kater's pendulum Wagner, Jörg Friedrich and Andor Trierenberg (December
Johann Gottlieb Friedrich von Bohnenberger
Johann_Gottlieb_Friedrich_von_Bohnenberger
a design that would be produced until the 1920s. He also worked on electrometers, for which he invented a new design, air pumps and wrote scientific
John Cuthbertson (instrument maker)
John_Cuthbertson_(instrument_maker)
Austrian physiologist and physician (1846–1891)
of an electrical stimulus). He also adapted the Lippmann's capillary electrometer in order to use it for measuring subtle bioelectrical phenomena.[citation
Ernst_von_Fleischl-Marxow
Power supply and voltage/current measurement unit
tracer Voltage source Current source Digital multimeter Power supply Electrometer Electronic load What Is a Source Measure Unit (SMU)?, National Instruments
Source_measure_unit
Armenian-American researcher
Joonhee (June 1, 2018). "Microscopy with a single-molecule scanning electrometer". Science Advances. 4 (6) eaat5472. doi:10.1126/sciadv.aat5472. ISSN 2375-2548
Vartkess_Ara_Apkarian
Oldest private medical society in the US
instruments include a wooden stethoscope and Marie Curie's quartz-piezo electrometer Their library was established in 1788 and served as Philadelphia's main
College of Physicians of Philadelphia
College_of_Physicians_of_Philadelphia
Room in Teylers Museum, Haarlem, Netherlands
Cabinet III Cabinet III Cabinet III Cabinet III Cabinet III absolute electrometer 1883 Thomson by Breguet Conductors (isolated with glass) to demonstrate
Teylers_Instrument_Room
ELECTROMETER
ELECTROMETER
ELECTROMETER
ELECTROMETER
Surname or Lastname
English
English : topographic name from Middle English haven ‘harbor’, ‘haven’ (Old English hæfen).Irish (County Westmeath) : variant of Heaven.
Girl/Female
American, British, English
From Laurentium; Variant of Lawrence
Boy/Male
Hindu
Eager to fight, One of the kauravas he survived the war
Girl/Female
Indian
To be Love of Delicate
Boy/Male
Muslim
Old generation
Boy/Male
Scottish
Harbor.
Surname or Lastname
English
English : variant spelling of Dolman, itself a variant of Doll or Dole.North German (Dollmann) : habitational name for someone from Dolle, north of Magdeburg.
Male
Icelandic
Icelandic form of Old Norse Halfdanr, HÃLFDAN means "half Dane."
Boy/Male
Tamil
Vishvaketu | விஷà¯à®µà®•à¯‡à®¤à¯
An epithet of Aniruddh
Boy/Male
Hindu
Person having all qualities
ELECTROMETER
ELECTROMETER
ELECTROMETER
ELECTROMETER
ELECTROMETER
n.
An instrument for measuring the quantity or intensity of electricity; also, sometimes, and less properly, applied to an instrument which indicates the presence of electricity (usually called an electroscope).
n.
An instrument for the exact measurement of electric currents.
a.
Pertaining to electrometry; made by means of electrometer; as, an electrometrical experiment.