| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 08/17/2011 | CN201935948U Portable multifunctional test instrument with high precision |
| 08/17/2011 | CN102159955A Current detection device |
| 08/17/2011 | CN102156214A Double-light-path leakage current optical fiber sensor device |
| 08/17/2011 | CN102156212A Method and device for measuring heavy current of magnetic coupled fiber grating |
| 08/17/2011 | CN102156210A All-fiber difference stream monitoring device based on ferromagnetic concentrator ring structure |
| 08/17/2011 | CN102156208A Terminal block with current transformer and copper terminal |
| 08/17/2011 | CN101651084B Electrostatic chuck supply current sampling device, method and plasma device |
| 08/11/2011 | WO2011097368A1 Continuous ranging ammeter and method of use thereof |
| 08/11/2011 | DE102011003998A1 Stromsensor, der eine gesinterte Metallschicht umfasst Current sensor which comprises a sintered metal layer |
| 08/11/2011 | DE102010017303A1 Impulse voltage testing system, has high voltage measuring divider installed as intermediate circuit, measurement signal plotting device possessing correction algorithm, and surge voltage generator for producing pulse voltage |
| 08/10/2011 | EP2355265A2 Power strip and electric power measurement system |
| 08/10/2011 | EP2354799A1 Device and method for metering electric energy |
| 08/10/2011 | CN201927477U 一种电子式光电互感器采集装置 An electronic photoelectric transformer acquisition device |
| 08/10/2011 | CN201927476U 一种干式组合互感器 A dry-type transformer combination |
| 08/10/2011 | CN201927474U 电容型树脂浸渍高压电流互感器 Capacitance-type resin impregnated high-voltage current transformer |
| 08/10/2011 | CN201927471U 方便填装绝缘油的电压互感器 Easy filling voltage transformer insulating oil |
| 08/10/2011 | CN201927470U Gis用三相共箱电磁式电压互感器 Gis box with a three-phase inductive voltage transformer |
| 08/10/2011 | CN201927469U 一种电子式电压互感器 An electronic voltage transformer |
| 08/10/2011 | CN201926702U 一种交流电子毫伏表 An AC electronic Millivoltmeter |
| 08/10/2011 | CN201926699U 一种用于掉电检测的低压电路 A low-voltage brownout detection circuit |
| 08/10/2011 | CN201926697U 电阻型电压传感器 Resistance-type voltage sensor |
| 08/10/2011 | CN201926691U 一种具有照明功能的万用表表笔 Having a lighting function multimeter pen |
| 08/10/2011 | CN102148096A Implementation method for rapid saturation of electronic type current transformer with super lager diameter |
| 08/10/2011 | CN101650403B Current sensor for polluted insulator leakage of AC high-voltage electric transmission line |
| 08/10/2011 | CN101630583B Multi-functional current transformer automatic error compensator |
| 08/10/2011 | CN101438173B Current sensing circuit for use in a current measurement probe |
| 08/09/2011 | CA2345561C Fiber-optic current sensor |
| 08/04/2011 | WO2011093908A1 Isolated current sensor with codec |
| 08/04/2011 | WO2011092907A1 Electric current detector and core component used for same |
| 08/03/2011 | EP2350764A1 Power line energy harvesting power supply |
| 08/03/2011 | CN201918255U 一种组合式电子互感器 A modular electronic transformers |
| 08/03/2011 | CN201918253U 一种电流互感器 A current transformer |
| 08/03/2011 | CN201918252U 一种用于产生高电压的微型电流互感器 A system for generating high voltage current transformer miniature |
| 08/03/2011 | CN201918251U 一种单相电容分压型电子式电压互感器 A single-phase capacitor voltage divider type electronic voltage transformers |
| 08/03/2011 | CN201918250U 一种电压互感器 A voltage-transformer |
| 08/03/2011 | CN201918249U 一种电子式互感器高压侧数字输出通道空心绝缘支柱 An electronic transformer high-voltage side of the hollow insulating pillars of digital output channels |
| 08/03/2011 | CN201917603U 一种监测雷电流波形的线圈装置 A coil device to monitor the lightning current waveforms |
| 08/03/2011 | CN102142314A Standard capacitor with built-in reverse connection unit for high-voltage medium loss test |
| 08/03/2011 | CN102141581A Clamp meter |
| 08/02/2011 | US7990133 Non-intrusive electric alternating current sensor |
| 08/02/2011 | US7990132 Current sensor including an integrated circuit die including a first and second coil |
| 08/02/2011 | US7990131 Device and method for measuring a first voltage and a second voltage by means of a differential voltmeter |
| 07/28/2011 | WO2011090167A1 Power distribution information measuring device |
| 07/28/2011 | DE102010006006A1 Prüf- und Kurzschlusseinrichtung an isolierten Freileitungsnetzen Testing and short-circuiting device to insulated overhead line networks |
| 07/27/2011 | EP2348325A1 Magnetic bridge for sensor using magnetic fluid, and current sensor and magnetic sensor using the magnetic bridge |
| 07/27/2011 | EP2347271A2 Current sensor having field screening arrangement including electrical conductors sandwiching magnetic permeability layer |
| 07/27/2011 | EP2347270A1 Construction system for a capacitive sensor |
| 07/27/2011 | CN201910325U Active photoelectric type current transformer based on digital signal processor (DSP) |
| 07/27/2011 | CN201910324U Current transformer with functions of electronic tag, temperature acquisition and wireless communication |
| 07/27/2011 | CN201910323U Three-phase capacitor voltage-dividing electronic voltage transformer |
| 07/27/2011 | CN201910322U Dry-type mesohigh voltage transformer |
| 07/27/2011 | CN201909807U On-line direct-current measuring device for transformer neutral point |
| 07/27/2011 | CN201909806U Voltage sampling circuit |
| 07/27/2011 | CN201909805U Digital universal meter |
| 07/27/2011 | CN102135566A Frequency testing system and frequency testing method |
| 07/27/2011 | CN102135554A Sagnac interferometer-type fiber-optic current sensor |
| 07/27/2011 | CN102133877A Detection of the state of electrical equipment of a vehicle |
| 07/27/2011 | CN101710137B Inductance and resistance compensating type capacitive voltage divider |
| 07/27/2011 | CN101567493B Assembled structure with separable electrical connector component |
| 07/27/2011 | CN101514999B Electric power measurement multifunctional instrument system and method for measurement |
| 07/21/2011 | DE102011000093A1 Stromerfassungsvorrichtung Current detecting device |
| 07/20/2011 | CN201904202U Combined-type voltage transformer |
| 07/20/2011 | CN201903574U Non-contact voltage and current sampler |
| 07/20/2011 | CN201903570U Capacitive voltage division electronic voltage transformer |
| 07/20/2011 | CN102129909A Low-power consumption electronic current transformer |
| 07/20/2011 | CN102128974A Digital ray imaging voltage sensor |
| 07/20/2011 | CN102128969A Method for testing input voltage of PFC (Power Factor Correction) circuit with high anti-interference ability |
| 07/20/2011 | CN102128967A Optical fiber current transformer for three-phase common super-fluorescence optical fiber light source |
| 07/20/2011 | CN102128966A Rogowski coil-based integrator circuit for electronic current transformer |
| 07/20/2011 | CN102128965A Universal meter |
| 07/20/2011 | CN102128964A Capacitive voltage divider used for measuring radiation diode parameters and installation method |
| 07/20/2011 | CN101707128B Magnetic circuit open-close type current transformer |
| 07/20/2011 | CN101556862B High-frequency pulse current transformer |
| 07/20/2011 | CN101339206B Magnetic core for current sensor having high magnetic saturation |
| 07/20/2011 | CN101065675B Isolating transformer |
| 07/14/2011 | WO2011029018A3 Voltage conversion and/or electrical measurements from 400 volts upwards |
| 07/14/2011 | DE102010006227A1 Stromsensoreinheit und Verfahren zur Signal- und/oder Datenübertragung Power sensor unit and method for signaling and / or data transmission |
| 07/13/2011 | EP2342572A1 Current sensor and current sensing method |
| 07/13/2011 | CN102121954A Test device and test method for high-voltage dielectric loss |
| 07/12/2011 | US7977934 High bandwidth open-loop current sensor |
| 07/07/2011 | WO2011081197A1 Magnetic field detecting apparatus and current sensor |
| 07/07/2011 | WO2011080696A1 Fiber optic current sensor |
| 07/07/2011 | US20110163738 Current detection circuit and transformer current measuring system |
| 07/06/2011 | EP2340592A1 Overhead communicating device |
| 07/06/2011 | EP1664681B1 System for remote measurements |
| 07/06/2011 | CN201893232U Open type current transformer |
| 07/06/2011 | CN201892703U Intelligent power grid parameter sensor |
| 07/06/2011 | CN201892690U Watch pen chunk and watch pen with same |
| 07/06/2011 | CN102119335A Permanent or variable alternating magnetic field circulation sensor, and current sensor implementing such a sensor |
| 07/06/2011 | CN102116814A Multifunction integrated electronic measurement method and device |
| 07/06/2011 | CN102116807A Three-dimensional power frequency electric field measurement method and device capable of correcting distortion of electric field |
| 07/06/2011 | CN102116794A Metering method of single-phase electric energy meter with wide range |
| 07/06/2011 | CN102116786A Neutral point direct current online measurement device for transformer |
| 07/06/2011 | CN102116784A Mechanical test device |
| 07/06/2011 | CN101408558B Minitype optical DC/AC electric field sensor |
| 07/05/2011 | US7973527 Electronic circuit configured to reset a magnetoresistance element |
| 06/30/2011 | WO2011078096A1 Single-phase optical current transformer |
| 06/30/2011 | US20110156698 Phase canceling current transducer |
| 06/30/2011 | US20110156697 Compact, two stage, zero flux electronically compensated current or voltage transducer employing dual magnetic cores having substantially dissimilar magnetic characteristics |
| 06/30/2011 | US20110156696 Multimeter |