| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 01/02/2013 | EP2541261A1 Device and procedure for current detection |
| 01/02/2013 | EP2541260A1 Device for measuring the electric current circulating in electrical equipment, said device enabling the measurement of energy |
| 01/02/2013 | EP2540017A1 Methods and apparatus for time synchronization and measurement of power distribution systems |
| 01/02/2013 | CN202650825U Low-voltage current transformer |
| 01/02/2013 | CN202650824U 35-kilovolt (KV) outdoor composite dry current transformer |
| 01/02/2013 | CN202650822U Electronic current transformer |
| 01/02/2013 | CN202649451U Portable current transformer polarity calibration instrument |
| 01/02/2013 | CN202649450U Online calibration system for electronic voltage transformer |
| 01/02/2013 | CN202649447U Adapter for checking meter |
| 01/02/2013 | CN202649436U Battery power sensing control device |
| 01/02/2013 | CN202649300U Current detecting device |
| 01/02/2013 | CN202649283U Fiber Bragg voltage raster voltage sensor based on Rogowski coil |
| 01/02/2013 | CN202649280U Special high- and low-voltage signal isolation transmission device for contact network inspection trolley |
| 01/02/2013 | CN202649279U Closed-loop optical fiber current transformer |
| 01/02/2013 | CN202649278U Multiple closed-loop optical fiber transducer with a number of analog-digital conversion units |
| 01/02/2013 | CN202649277U Rapid short-circuit device of secondary side of current transformer |
| 01/02/2013 | CN202649276U Digitalized fiber voltage transformer |
| 01/02/2013 | CN202649275U Multifunctional USB testing device |
| 01/02/2013 | CN102859383A Fiber optic current sensor |
| 01/02/2013 | CN102854565A Precision control device for phase delay angle of optical fiber lambda/4 wave plate and control method thereof |
| 01/02/2013 | CN102854373A PWM (Pulse-Width Modulation) three-level digital controller of zero-flux Hall large-current sensor |
| 01/02/2013 | CN102854368A Manganin current sampling device resisting outside magnetic field interference |
| 01/02/2013 | CN102854367A Sensor used for detecting voltages of solar cell module |
| 01/02/2013 | CN102854360A Stability control device for transmission spectrums of optical fiber current transducer |
| 01/02/2013 | CN102854359A 电流传感器 Current Sensors |
| 01/02/2013 | CN102854358A 万用表 Multimeter |
| 01/02/2013 | CN102854357A 多量程自动换档装置 Multi-range automatic shifting device |
| 01/02/2013 | CN102854356A Circuit for resisting external magnetic field interferences by adopting dual-manganese-copper design |
| 01/02/2013 | CN102116807B Three-dimensional power frequency electric field measurement method and device capable of correcting distortion of electric field |
| 01/02/2013 | CN101995543B Electric control board testing platform with detection signal and power supply isolation function |
| 01/02/2013 | CN101600968B 光学电压传感器 Optical voltage sensor |
| 01/01/2013 | US8346496 Apparatus and method for multi-channel materials assaying |
| 01/01/2013 | US8346494 Physical quantity measurement device |
| 12/27/2012 | WO2012143408A3 Detection method and sensor |
| 12/26/2012 | CN202633018U Suspended power transformer with microcurrent startup |
| 12/26/2012 | CN202633017U 电流互感器 Current Transformer |
| 12/26/2012 | CN202633016U Electronic type current transformer |
| 12/26/2012 | CN202631703U IEC61850-based circuit breaker state monitoring and service life analyzing system |
| 12/26/2012 | CN202631615U Equipotential high-voltage charge indicator |
| 12/26/2012 | CN202631603U Universal measuring gauge convenient to use |
| 12/26/2012 | CN102845004A Methods and apparatus for time synchronization and measurement of power distribution systems |
| 12/26/2012 | CN102844668A Method and arrangement for voltage measurement |
| 12/26/2012 | CN102844643A Dynamic sensor range selection |
| 12/26/2012 | CN102841242A Sampling circuit and electronic equipment |
| 12/26/2012 | CN102841241A Voltage detection circuit |
| 12/26/2012 | CN102841232A Current sensor for electric wire |
| 12/26/2012 | CN102841230A Safety protection structure of voltage detection circuit |
| 12/26/2012 | CN102840021A Electric spark detecting device |
| 12/26/2012 | CN101688887B Rogowski current sensor |
| 12/21/2012 | CA2779179A1 Linear transformer power supply |
| 12/20/2012 | WO2012172946A1 Electric current sensor |
| 12/20/2012 | WO2012172852A1 Current measuring apparatus |
| 12/20/2012 | WO2012172701A1 Current detection device |
| 12/19/2012 | CN202616017U Anti-contamination type current transformer |
| 12/19/2012 | CN202616016U Current mutual inductor |
| 12/19/2012 | CN202616011U Single-phase voltage transformer |
| 12/19/2012 | CN202614826U Current test fixture for camera connecting plate |
| 12/19/2012 | CN202614824U Universal meter |
| 12/19/2012 | CN202614823U Multifunctional electroprobe |
| 12/19/2012 | CN202614822U Multimeter with voice playing function |
| 12/19/2012 | CN202614821U Instrument probe capable of displaying measurement grade |
| 12/19/2012 | CN202614820U Capacitance voltage divider used in gas insulated switchgear (GIS) |
| 12/19/2012 | CN1954099B Wireless electrolytic cell monitoring powered by ultra low bus voltage |
| 12/19/2012 | CN102832030A Electronic-type transformer and production method |
| 12/19/2012 | CN102830351A Device for condition monitoring and fault diagnosis of high-voltage switch |
| 12/19/2012 | CN102830279A Data processing device used for electric energy meter and power consumption collector |
| 12/19/2012 | CN102830259A Full-optical-fiber current sensor |
| 12/19/2012 | CN102830258A Optical current sensing system and current measuring method |
| 12/19/2012 | CN102830257A High-voltage resistor type voltage dividing device |
| 12/13/2012 | WO2012170298A1 Current sensor |
| 12/13/2012 | US20120314332 Current Sensor |
| 12/12/2012 | EP2533056A2 System for Detecting Lightning Strikes on Wind Turbine Rotor Blades |
| 12/12/2012 | CN202601407U High-voltage electronic type voltage transformer |
| 12/12/2012 | CN202601406U Intelligent/networked electronic current transformer based on non-penetrating hollow coil |
| 12/12/2012 | CN202601405U Mother board of electronic current transformer |
| 12/12/2012 | CN202601404U Daughter board of electronic type current mutual inductor |
| 12/12/2012 | CN202601403U Intelligent current transformer with precision monitoring and temperature monitoring and identity recognition functions |
| 12/12/2012 | CN202601402U Intelligent current transformer with online accuracy monitoring and seamless connection characteristics |
| 12/12/2012 | CN202601399U Multi-voltage-level electromagnetic voltage transformer |
| 12/12/2012 | CN202600043U Intelligent ring main unit and current acquisition device thereof |
| 12/12/2012 | CN202600024U Integrated electronic type mutual inductor device |
| 12/12/2012 | CN202600016U Resistance and capacitance voltage dividing type electronic transformer based on chain capacitor |
| 12/12/2012 | CN202600015U Multi-way intelligent comprehensive electric quantity detecting device |
| 12/12/2012 | CN202600014U Digital multimeter |
| 12/12/2012 | CN202600013U Novel multifunctional clamp meter dedicated to electric power |
| 12/12/2012 | CN202600012U Pointer-type universal meter with safety circuit |
| 12/12/2012 | CN202600011U Automatic resistance tester |
| 12/12/2012 | CN202600010U High-voltage AC-DC voltage divider with heat radiating structure |
| 12/12/2012 | CN102822685A Method of detecting magnetic field generated from current and estimating current amount |
| 12/12/2012 | CN102822684A Measuring arrangement for detecting alternating currents |
| 12/12/2012 | CN102819005A Wiring device for electric energy meter test |
| 12/12/2012 | CN102818944A Device and method for improving accuracy of power frequency electric field strength detection device |
| 12/12/2012 | CN102818920A Current measuring method and device based on electromagnetic force and through optical fibers |
| 12/12/2012 | CN102818919A Optical current transformer and method for resisting external magnetic field interference |
| 12/12/2012 | CN101701974B Method of restraining the influence of linear birefringence on full optical fiber current transformer |
| 12/12/2012 | CN101493479B Electric current generating circuit, method and electric energy meter check meter |
| 12/11/2012 | US8330449 Clamp-on multimeters including a Rogowski coil for measuring alternating current in a conductor |
| 12/06/2012 | WO2012164553A2 Distributed electricity metering system |
| 12/06/2012 | WO2012163924A1 Fiber-optic voltage sensor |
| 12/06/2012 | WO2012163923A1 Fiber-optic voltage sensor |