| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 05/08/2013 | CN202930193U Double-shielded dry-type mutual inductor |
| 05/08/2013 | CN202930191U Current transformer |
| 05/08/2013 | CN202930188U Fixing three-phrase gas insulation mutual inductor |
| 05/08/2013 | CN202929101U Data processing device used for electric energy meter and electric gatherer |
| 05/08/2013 | CN202929085U Passive three-phase electrical parameter comprehensive tester |
| 05/08/2013 | CN202929084U Multifunctional meter based on power line carrier |
| 05/08/2013 | CN202929083U Current conversion module used for active power filter |
| 05/08/2013 | CN202929082U Circuit used in intelligent electric energy meter for preventing current sampling offset |
| 05/08/2013 | CN103093950A Capacitive voltage division electronic voltage transformer with double capacitive rings |
| 05/08/2013 | CN103091600A Electric power circuit fault indicator |
| 05/08/2013 | CN103091561A Device obtaining direct current signals from alternative current and direct current superposition signals and method thereof |
| 05/08/2013 | CN103091533A Current sampling circuit achieved by laterally diffused metal oxide semiconductor (LDMOS) devices |
| 05/08/2013 | CN103091529A Voltage transformer based on optical Fabry-Perot cavity and distributed type networking structure |
| 05/08/2013 | CN103091528A Optical fiber current transformer |
| 05/08/2013 | CN103091527A Video universal meter |
| 05/08/2013 | CN103091526A Voltage detection circuit |
| 05/08/2013 | CN102236041B Voltage detection displaying device |
| 05/08/2013 | CN101552124B Method for manufacturing minitype transformer |
| 05/08/2013 | CN101477141B Digital multimeter having case panel structure |
| 05/02/2013 | WO2013062706A1 Method and apparatus for detecting a lightning strike |
| 05/02/2013 | WO2013061253A2 Electrical current transducer |
| 05/02/2013 | WO2013060194A1 All-optical high-voltage voltage transformer |
| 05/02/2013 | DE102012110379A1 Stromerfassungsvorrichtung Current detecting device |
| 05/02/2013 | DE102012110280A1 Stromerfassungsvorrichtung Current detecting device |
| 05/02/2013 | CA2844412A1 Method and apparatus for detecting a lightning strike |
| 05/01/2013 | EP2587269A2 High current range magnetoresistive current sensor |
| 05/01/2013 | EP2587268A1 Electrical current transducer |
| 05/01/2013 | CN202917323U Current transformer |
| 05/01/2013 | CN202916337U Automatic range alternating-current and direct-current gearless digital voltmeter |
| 05/01/2013 | CN202916332U Radiation current sensor |
| 05/01/2013 | CN202916329U DC voltage sampling circuit |
| 05/01/2013 | CN202916327U Pillar structure electronic voltage transformer |
| 05/01/2013 | CN202916326U Electronic current transformer |
| 05/01/2013 | CN202916325U Glove type convenient universal meter |
| 05/01/2013 | CN202916324U Combined type intelligent wireless photoelectric transformer |
| 05/01/2013 | CN103081167A Current sensor and assembled battery |
| 05/01/2013 | CN103080755A Current sensor |
| 05/01/2013 | CN103080754A Current sensor |
| 05/01/2013 | CN103080753A Current detection device and method for producing same |
| 05/01/2013 | CN103080752A Toroidal fluxgate current transducer |
| 05/01/2013 | CN103077816A Intelligent voltage transformer |
| 05/01/2013 | CN103077815A Low-voltage electricity larceny prevention combined mutual inductor |
| 05/01/2013 | CN103076481A Three-phase integrated electronic transformer |
| 05/01/2013 | CN103076480A Tiny signal collecting card |
| 05/01/2013 | CN101790689B Measuring and/or switching device |
| 04/30/2013 | US8432155 Signal status diagnosing device for external control means to be activated when fed with driving electric power by on/off signal transmitted through insulating means |
| 04/25/2013 | WO2013058282A1 Current detection device |
| 04/25/2013 | WO2013057246A1 Self centering, split multicore current sensor |
| 04/25/2013 | DE102011116545A1 Integrierte Magnetfeldmessvorrichtung Integrated magnetic field measuring device |
| 04/25/2013 | DE102011085090A1 Circuit device for measuring electric voltage in turning rate sensor, has capacitor formed between node and ground contact, and another node connected with voltage generator, where certain voltages are applied between nodes and contact |
| 04/24/2013 | EP2584364A1 Self centering, split multicore current sensor |
| 04/24/2013 | EP2490031B1 Method and system for measuring an electrical quantity in an electrical network |
| 04/24/2013 | CN202905449U Pouring body structure of three-phase combination type outdoor current transformer |
| 04/24/2013 | CN202905447U Modified outdoor current transformer |
| 04/24/2013 | CN202905445U Built-in type voltage transformer |
| 04/24/2013 | CN202903876U 防雷式电子电能表 Lightning electronic energy meter |
| 04/24/2013 | CN202903859U AC current detection alarm circuit |
| 04/24/2013 | CN202903854U Current transformer |
| 04/24/2013 | CN202903853U Multifunctional universal meter capable of simulating human body resistor |
| 04/24/2013 | CN202903852U Digital multimeter with voice prompt function |
| 04/24/2013 | CN202903851U Integrated electronic instrument device |
| 04/24/2013 | CN103069283A 电流检测器 Current detector |
| 04/24/2013 | CN103069282A Magnetic-balance current sensor |
| 04/24/2013 | CN103065783A Buckling type electronic current transformer |
| 04/24/2013 | CN103063931A 500 kV constant-voltage transformer (CVT) multiple-project dielectric loss testing system and testing method thereof |
| 04/24/2013 | CN103063899A Sensing optical fiber ring and reflective all-optical fiber current transformer |
| 04/24/2013 | CN103063898A Sensing optical fiber ring and all-fiber current transformer |
| 04/24/2013 | CN103063897A Sensing optical fiber coil and vibration-resistant type all-optical fiber current transformer |
| 04/24/2013 | CN103063896A Sensor optical fiber ring and anti-vibration type Sagnac type full optical fiber current transformer |
| 04/24/2013 | CN103063895A Pliers-shaped anti-interference current transformer and transformer iron core grounding current testing system |
| 04/24/2013 | CN103063894A Miniature double-pole fast-cutting intelligent integrated electrode without damaging rock coupling and application method thereof |
| 04/24/2013 | CN103063893A 传感器 Sensor |
| 04/23/2013 | US8428893 Event recognition |
| 04/23/2013 | US8427805 Electromagnetic system with no mutual inductance and an inductive gain |
| 04/23/2013 | US8427134 Current detection printed board, voltage detection printed board, current/voltage detection printed board, current/voltage detector, current detector and voltage detector |
| 04/23/2013 | US8427133 Current detection apparatus |
| 04/18/2013 | WO2013054782A1 Resistance measuring device, connection resistance measuring method |
| 04/18/2013 | DE102011080039A1 Stromsensoranordnung Flow sensor assembly |
| 04/18/2013 | DE102008051414B4 Strommessung mit geschalteten Kondensatoren Current measurement with switched capacitors |
| 04/17/2013 | CN202887974U Combined mutual inductor |
| 04/17/2013 | CN202887973U Dry-type current transformer |
| 04/17/2013 | CN202887972U Standard current transformer for composite error |
| 04/17/2013 | CN202886445U Voltage type current transformer for data detection of high voltage lines |
| 04/17/2013 | CN202886444U Digital type linear mutual inductor |
| 04/17/2013 | CN202886443U Voltage sampling circuit |
| 04/17/2013 | CN202886442U Universal meter |
| 04/17/2013 | CN202886441U High-voltage resistor-type voltage divider |
| 04/17/2013 | CN103050264A Multiple-transformation-ratio selectable outdoor open-type current transformer |
| 04/17/2013 | CN103048534A Modular multi-level flexible direct-current sub-module voltage acquiring circuit and realizing method thereof |
| 04/17/2013 | CN103048525A Equipotential high-voltage potential indicator |
| 04/17/2013 | CN103048521A Voltage detection device of automatic change-over switch |
| 04/17/2013 | CN103048516A Electric current transducer |
| 04/17/2013 | CN103048513A Self-insurance wide-frequency voltage signal collecting device |
| 04/17/2013 | CN103048512A Sensing optical fiber ring and Sagnac type all-fiber current transformer |
| 04/17/2013 | CN103048511A +-1100kV pure optical DC (Direct Current) current mutual inductor |
| 04/17/2013 | CN103048510A Intelligent instrument and method for applying same |
| 04/17/2013 | CN103048509A Current measuring coil for measuring current in conductor |
| 04/17/2013 | CN101622544B Electrically insulated current measuring device, electronic trigger, and circuit breaker comprising such a device |
| 04/17/2013 | CN101526560B Electronic measuring method based on electromagnetic induction principle and measuring multimeter |
| 04/17/2013 | CN101149399B Digital multimeter for automatically selecting measuring function |