| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 03/20/2013 | CN202815055U Full optical fiber current transformer for a three-phase common box type GIS |
| 03/20/2013 | CN202815054U Digital electronic type wireless zero-sequence mutual inductor |
| 03/20/2013 | CN202815053U Harmonic wave universal meter |
| 03/20/2013 | CN202815052U Electronic measurement device with compound functions |
| 03/20/2013 | CN202815051U Digital electronic type zero sequence mutual inductor |
| 03/20/2013 | CN202815050U Electronic voltage transformer matching high voltage frequency conversion cabinet |
| 03/20/2013 | CN202815049U 500kV capacitor voltage transformer |
| 03/20/2013 | CN202814484U 500 kilovolt capacitance voltage transformer oil pointer |
| 03/20/2013 | CN102982958A Zero temperature drift self-compensating Rogowski coil |
| 03/20/2013 | CN102981033A Novel sensing system of DC tractive power supply system |
| 03/20/2013 | CN102128964B Capacitive voltage divider used for measuring radiation diode parameters and installation method |
| 03/20/2013 | CN101975893B Differential capacitance detection circuit based on instrument amplifier and detection method thereof |
| 03/20/2013 | CN101846697B Pneumatic rod electrode and switch linking device for determining ignition energy |
| 03/19/2013 | US8400139 Sensor package having a sensor chip |
| 03/19/2013 | US8400138 Method and apparatus for measuring current output of low-voltage pad-mount distribution power transformers |
| 03/14/2013 | WO2012160233A3 Charger and method for measuring charging current for electric vehicles |
| 03/13/2013 | EP2568301A1 Current sensor and printed circuit board for such a sensor |
| 03/13/2013 | EP2568300A2 Sensor devices and methods for use in sensing current through a conductor |
| 03/13/2013 | EP2568299A2 Sensor devices and methods for use in sensing current through a conductor |
| 03/13/2013 | EP2568298A2 Sensor devices and methods for use in sensing current through a conductor |
| 03/13/2013 | EP2567245A1 Apparatus for measuring the local electrical resistance of a surface |
| 03/13/2013 | CN202796419U Current transformer for accurately measuring linearity of small current and unsaturation degree of large current |
| 03/13/2013 | CN202796417U High-precision and wide load current mutual-inductorfor metering |
| 03/13/2013 | CN202796410U Outdoor current transformer |
| 03/13/2013 | CN202796389U Horizontal magnetic shielding transformer for smart electric meter |
| 03/13/2013 | CN202796299U Rogowski coil |
| 03/13/2013 | CN202794356U Ammeter device with three-phase phase position determination function |
| 03/13/2013 | CN202794321U Active photoelectric current transformer |
| 03/13/2013 | CN202794318U Acquisition circuit |
| 03/13/2013 | CN202794303U Fiber optic type current sensor |
| 03/13/2013 | CN202794297U Photoelectric current transformer |
| 03/13/2013 | CN202794296U Polyphase photoelectric current transformer |
| 03/13/2013 | CN202794295U Photoelectric direct current transformer |
| 03/13/2013 | CN202794293U Busbar voltagebar voltage isolating and sampling circuit |
| 03/13/2013 | CN202794290U Voltage sensor |
| 03/13/2013 | CN202794287U Merging device for photoelectric transformer |
| 03/13/2013 | CN202794286U Linear optocoupler high-frequency direct-current measuring device used for electric power fault recorder |
| 03/13/2013 | CN202794285U Isolation processing circuit for small analog alternating current (AC) or direct current (DC) signals |
| 03/13/2013 | CN202794284U Multifunctional intelligent electric power meter |
| 03/13/2013 | CN202794283U Energy management instrument with pulse metering |
| 03/13/2013 | CN202794282U Expandable multifunctional instrument |
| 03/13/2013 | CN202794281U Outline changeable universal meter |
| 03/13/2013 | CN202794280U Multimeter capable of being used at night |
| 03/13/2013 | CN202794279U Multimeter for testing reverse breakdown voltage of transistor |
| 03/13/2013 | CN102969138A 0.2Ss grade special high-voltage metering current transformer |
| 03/13/2013 | CN102969136A High-current high-accuracy direct-current current transformer |
| 03/13/2013 | CN102967754A Digital microohm resistance pulse isolation current sensor based on power line intrinsic resistor |
| 03/13/2013 | CN102967747A Temperature-compensation-free fiber optical current transformer and method of double-circuit interference closed loop detection |
| 03/13/2013 | CN102967742A Electronic transformer within wide current detection range |
| 03/13/2013 | CN102967741A Voltage-type current transformer for data detection of high-voltage line |
| 03/13/2013 | CN102967740A All-fiber current transformer and current measuring method |
| 03/13/2013 | CN102967739A Method for operating an electrical apparatus and circuit breaker |
| 03/13/2013 | CN101968508B All-fiber current sensor and polarization state control method thereof |
| 03/13/2013 | CN101968507B Optical fiber voltage sensor and adjustment method thereof |
| 03/13/2013 | CN101952732B 电流传感器 Current Sensors |
| 03/13/2013 | CN101680916B Clamp-on current and voltage module for a power monitoring system |
| 03/13/2013 | CN101369484B Non-contact type current/voltage converter |
| 03/12/2013 | US8395373 Phasor estimation during current transformer saturation |
| 03/07/2013 | WO2013033387A1 Methods and apparatus for determining conditions of power lines |
| 03/07/2013 | WO2013033374A1 Methods and apparatus for determining conditions of power lines |
| 03/07/2013 | WO2013031291A1 Current detection circuit module |
| 03/07/2013 | WO2013008205A3 Electrical current sensor with grounded magnetic core |
| 03/07/2013 | DE102011082172A1 Leistungsschalter sowie Verfahren zum Überprüfen eines Rogowskiwandlers in einem Leistungsschalter Circuit breaker as well as a method for checking in a circuit breaker Rogowskiwandlers |
| 03/07/2013 | DE102011053361A1 Vorrichtung zur Auswahl eines Stromabnehmers eines Schienenfahrzeugs sowie Verfahren zum kontaktlosen Erkennen eines Spannungssystems Means for selecting a current collector of a rail vehicle and method for contactless detection of a power system |
| 03/07/2013 | CA2846288A1 Methods and apparatus for determining conditions of power lines |
| 03/07/2013 | CA2846283A1 Methods and apparatus for determining conditions of power lines |
| 03/06/2013 | EP2565651A1 Electrical current detection device |
| 03/06/2013 | CN202771947U Line switch current transformer |
| 03/06/2013 | CN202770897U Balance bridge type current transformer |
| 03/06/2013 | CN202770896U Digital electronic transformer |
| 03/06/2013 | CN202770895U Novel electronic voltage transformer |
| 03/06/2013 | CN202770894U Novel multimeter |
| 03/06/2013 | CN202770893U High-resolution step-by-step regulation voltage divider based on DCP (Digitally Controlled Potentiometers) tap number expander circuit |
| 03/06/2013 | CN202770892U Anti-interference power supply for single-phase electronic electric energy meter |
| 03/06/2013 | CN102959408A Current sensor |
| 03/06/2013 | CN102955105A Circulation monitoring data collecting device of urban network cable |
| 03/06/2013 | CN101784902B Power sensor |
| 03/06/2013 | CN101694595B Method and system for discovering a power source on a peripheral bus |
| 03/05/2013 | US8390270 Measurement signal coupling device with electrical isolation and electrical equipment unit comprising one such device |
| 02/28/2013 | WO2013027424A1 Current detection device |
| 02/28/2013 | WO2013026805A1 An adaptive voltage divider with corrected frequency characteristic for measuring high voltages |
| 02/28/2013 | WO2013026423A1 Combined measuring and detecting system |
| 02/28/2013 | DE10253018B4 Schaltgerät sowie System und Verfahren zur Strommessung in dem Schaltgerät Switching device and system and method for measuring current in the switching device |
| 02/28/2013 | DE102011081773A1 Verfahren zum Betreiben eines elektrischen Geräts sowie Leistungsschalter A method of operating an electrical device and circuit breaker |
| 02/28/2013 | CA2843953A1 An adaptive voltage divider with corrected frequency characteristic for measuring high voltages |
| 02/27/2013 | EP2562551A1 Magnetic core, current sensor provided with the magnetic core, and current measuring method |
| 02/27/2013 | EP2562550A1 Method for detecting magnetic field generated by a current to estimate the amount of current |
| 02/27/2013 | EP2562549A1 Pulse current sensor and lightning protection cabinet with surge wave recording composed of the sensor |
| 02/27/2013 | EP2561317A1 Dynamic sensor range selection |
| 02/27/2013 | CN202758734U Single-winding current transformer for metering and measuring |
| 02/27/2013 | CN202757984U Multi-hall sensor detection device for measuring working current of battery pack |
| 02/27/2013 | CN202757980U Analog signal isolation detection circuit |
| 02/27/2013 | CN202757979U DC mutual inductor for sensing abrupt current |
| 02/27/2013 | CN202757978U Automobile universal meter possessing binary channel test function |
| 02/27/2013 | CN202757977U Relay protection multifunctional tester |
| 02/27/2013 | CN202757976U High-voltage conversion signal generator |
| 02/27/2013 | CN102947713A Isolated current sensor with codec |
| 02/27/2013 | CN102945745A Standard current transformer of composite error |
| 02/27/2013 | CN102945743A High-accuracy low-power voltage transformer for protecting electronic instrument and microcomputer |
| 02/27/2013 | CN102944737A Intelligent sensor for measuring high current |