| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 04/16/2013 | US8421450 Current detection device |
| 04/16/2013 | US8421444 Compact, two stage, zero flux electronically compensated current or voltage transducer employing dual magnetic cores having substantially dissimilar magnetic characteristics |
| 04/16/2013 | US8421443 Branch current monitor with calibration |
| 04/16/2013 | US8421442 High sensitivity differential current transformer for insulation health monitoring |
| 04/11/2013 | WO2013052242A1 Voltage monitor |
| 04/11/2013 | WO2013051567A1 Current sensor |
| 04/11/2013 | WO2013051566A1 Current sensor |
| 04/11/2013 | DE112011100109T5 Leiter, an dem ein Stromermittlungskopf befestigt ist, und bei dessen Herstellung benutzer Stromermittlungskopf Conductor to which a current detection head is mounted, and user during its production stream detection head |
| 04/11/2013 | DE102011080041A1 Stromsensoranordnung Flow sensor assembly |
| 04/10/2013 | EP2579088A1 Optical fibre birefringence compensation mirror and current sensor |
| 04/10/2013 | EP2579049A1 Method and device for measuring the electric power propagating in a conductor |
| 04/10/2013 | EP2577328A1 High-voltage sensor with axially overlapping electrodes |
| 04/10/2013 | EP2577327A1 High-voltage sensor with axially overlapping electrodes and local field sensors |
| 04/10/2013 | CN202870226U Electric energy quality analyzer |
| 04/10/2013 | CN202870224U High-voltage reactive compensator on-line monitoring apparatus |
| 04/10/2013 | CN202870157U Optical signal isolated high-tension and high-precision zero cross detection circuit |
| 04/10/2013 | CN202870147U Non-isolated commercial power voltage detection circuit |
| 04/10/2013 | CN202870143U Transformer with separable sensing head |
| 04/10/2013 | CN202870142U A multimeter and a testing probe thereof |
| 04/10/2013 | CN202870141U Three-phase high-voltage power supply sampling device |
| 04/10/2013 | CN202870140U A symmetrical manganin shunt preventing influence of a power frequency magnetic field |
| 04/10/2013 | CN202870139U An overlapped manganin shunt preventing influence of a power frequency magnetic field |
| 04/10/2013 | CN103038648A High-voltage sensor with axially overlapping electrodes |
| 04/10/2013 | CN103038647A Conducting body having current detection head fixed thereto, and current detection head used in manufacture of conducting body |
| 04/10/2013 | CN103035393A Electromagnetic unit and capacitor voltage transformer including electromagnetic unit |
| 04/10/2013 | CN103035392A Voltage transformer provided with carrier communication interface |
| 04/10/2013 | CN103033677A Range self-adaptation type digital voltmeter and measurement method thereof |
| 04/10/2013 | CN103033666A Current sensor |
| 04/10/2013 | CN102354598B Capacitive divider with medium voltage positioned at high-voltage side |
| 04/10/2013 | CN102208269B Current transformer component for low electric currents |
| 04/10/2013 | CN102082024B Vacuum treatment method of external-expander capacitive voltage transformer |
| 04/04/2013 | WO2013046881A1 Current probe, current probe measurement system, and current probe measurement method |
| 04/04/2013 | WO2013045991A1 Current detection device |
| 04/04/2013 | WO2013045778A1 Contactless current sensor |
| 04/04/2013 | WO2013044602A1 Zero-crossing signal detection circuit |
| 04/04/2013 | WO2013044542A1 Optical voltage transformer based on electro-optical effect |
| 04/04/2013 | DE102011083826A1 Messwiderstand und Verfahren zur Messung des elektrischen Stromes Measuring resistor and method for measuring the electric current |
| 04/03/2013 | CN202856156U 252kV electronic current transformer combined type high voltage isolating switch |
| 04/03/2013 | CN202855526U Voltage transformer |
| 04/03/2013 | CN202854213U Modulation type direct current voltage transformer |
| 04/03/2013 | CN202854212U Manganin current sampling device with external magnetic field interference resistance |
| 04/03/2013 | CN202854206U Multi-tap type current transformer with voltage not less than 110kV |
| 04/03/2013 | CN202854205U Electronic mutual inductor |
| 04/03/2013 | CN202854204U Voltage frequency conversion high voltage isolation circuit for voltage measuring of photovoltaic power station |
| 04/03/2013 | CN202854203U Circuit employing double manganese bronze design external magnetic field interference resistance |
| 04/03/2013 | CN202854174U High-voltage frequency conversion resonance test device for boosting and voltage measuring integrated tower structure |
| 04/03/2013 | CN103026244A High-voltage sensor with axially overlapping electrodes and local field sensors |
| 04/03/2013 | CN103026243A 电流传感器 Current Sensors |
| 04/03/2013 | CN103023328A Isolated voltage/current detection control circuit for high-voltage switching power supply |
| 04/03/2013 | CN103018572A Photovoltaic grid-connected inverter insulation resistance monitoring circuit |
| 04/03/2013 | CN103018520A Optical sensing head for voltage detection and method for manufacturing optical sensing head |
| 04/03/2013 | CN103018519A Signal detection method and circuit for high precision optics voltage transformer |
| 04/03/2013 | CN103018518A Arrangement and optimization method of vibration capacitance type sensor capable of monitoring surface potential of spacecraft |
| 04/03/2013 | CN103018517A Wireless electrical measuring instrument |
| 04/03/2013 | CN103018516A Current shunt and method for detecting same |
| 04/03/2013 | CN103018510A Isolated serial peripheral interface (SPI) bus electric energy measuring module and APLC electricity meter |
| 04/02/2013 | US8410493 Semiconductor device which can transmit electrical signals between two circuits |
| 04/02/2013 | CA2454967C Device for measuring an electric current |
| 03/28/2013 | WO2013042155A2 Capacitive sensor |
| 03/28/2013 | US20130076342 Electrical metering and switching equipment |
| 03/28/2013 | DE102012203753A1 Ein auf dem elektro-optischen Effekt basierender optischer Spannungswandler That is based on the electro-optical effect of optical voltage transformer |
| 03/28/2013 | DE102012109224A1 Hochstromsensoren High current sensors |
| 03/27/2013 | CN202837377U Voltage sensor utilizing zinc oxide resistors as partial-voltage devices |
| 03/27/2013 | CN202837370U Voltage measuring circuit with functions of electrical isolation and electromagnetic interference suppression |
| 03/27/2013 | CN202837366U Symmetric-structure diverter capable of resisting alternate magnetic field interference |
| 03/27/2013 | CN103000361A Current transformer |
| 03/27/2013 | CN102998516A Detection circuit for voltage state of output channel |
| 03/27/2013 | CN102998512A Direct-current high-voltage isolation sampling circuit |
| 03/27/2013 | CN102998503A Mutual inductor electronic unit, electronic mutual inductor and replacing method of electronic unit |
| 03/27/2013 | CN102998502A High-isolation voltage-resisting bidirectional signal sensor |
| 03/27/2013 | CN102998496A Series capacitor anti-interference layer structure and manufacturing method thereof |
| 03/27/2013 | CN101849348B Electric drive and method for controlling it |
| 03/26/2013 | US8407373 Extended input/output measurement word facility for obtaining measurement data |
| 03/26/2013 | US8405382 Selectable delta or wye voltage configuration for power measurement |
| 03/26/2013 | US8405381 Power sensor for a current carrying conductor |
| 03/21/2013 | WO2013039237A1 Current sensor and current measurement method |
| 03/21/2013 | WO2013039236A1 Current sensor and current measurement method |
| 03/21/2013 | WO2013039191A1 Current/voltage converter |
| 03/21/2013 | WO2013038868A1 Current sensor |
| 03/21/2013 | WO2013038867A1 Electric-current sensor |
| 03/21/2013 | WO2013038759A1 Loop core for flux gate current sensor and flux gate current sensor |
| 03/21/2013 | WO2013038176A2 Current measurement |
| 03/21/2013 | WO2013037986A1 Precision near-field current transducer |
| 03/21/2013 | DE102012211749A1 Messwiderstand für Stromsensor und Stromsensoreinheit Measuring resistor for current sensor and the current sensor unit |
| 03/21/2013 | DE102012211733A1 Messwiderstand für Stromsensor und Stromsensoreinheit Measuring resistor for current sensor and the current sensor unit |
| 03/21/2013 | DE102012211701A1 Messwiderstand für Stromsensor und Stromsensoreinheit Measuring resistor for current sensor and the current sensor unit |
| 03/21/2013 | DE102011113924A1 Handheld device for measuring insulation resistance of high-voltage source for high voltage accumulator, has evaluation device which determines insulation resistance of high-voltage source from high and low ohm measurement values |
| 03/20/2013 | EP2570817A1 Optical current transformer for gas-insulated apparatus |
| 03/20/2013 | CN202816645U Voltage and current transformer and measuring system thereof |
| 03/20/2013 | CN202816644U Zero sequence current transformer |
| 03/20/2013 | CN202816643U 零序电流互感器 Zero sequence current transformer |
| 03/20/2013 | CN202816642U Protective sleeve of current transformer |
| 03/20/2013 | CN202816640U Current sampling linear transformer with digital output |
| 03/20/2013 | CN202816636U Novel casing pipe mutual inductor |
| 03/20/2013 | CN202816569U Current inducer |
| 03/20/2013 | CN202816564U 500 kilovolt capacitance type voltage transformer expander |
| 03/20/2013 | CN202815210U Photoelectric head fixator for meter calibration |
| 03/20/2013 | CN202815092U Electrical isolation unit for resistivity measurement of rocks |
| 03/20/2013 | CN202815062U Current signal sampling structure |
| 03/20/2013 | CN202815060U Current sensor for high voltage line |