| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 07/15/2009 | CN100514071C Shunt circuit linearity insulating circuit apparatus |
| 07/14/2009 | US7561392 Intrinsically safe data transmission device |
| 07/09/2009 | DE102008003458A1 Electric current determining device for energy storage i.e. battery, of motor vehicle, has sensor resistor electrical conductively connected with cable through contact surface that is oriented parallel to cable longitudinal direction |
| 07/09/2009 | DE102008003338A1 Electric current determining device for use in cable i.e. earth cable, has cable provided with cable insulation, where cable insulation is formed such that cable insulation partially encloses measuring element and/or electronic system |
| 07/08/2009 | CN201269898Y Wave barrier |
| 07/08/2009 | CN201269897Y Automatic conversion metering device for composite transform-ratio current mutual inductor |
| 07/08/2009 | CN101477143A Electronic current mutual inductor data processing method based on multi-sensor data amalgamation technology |
| 07/08/2009 | CN101477142A Weak signal multimeter body with switch function according to user connection and its use method |
| 07/08/2009 | CN101477141A Digital multimeter having case panel structure |
| 07/07/2009 | US7558685 Frequency resolution using compression |
| 07/07/2009 | US7557563 Current sensor assembly |
| 07/07/2009 | US7557562 Inverted magnetic isolator |
| 07/02/2009 | WO2009080286A1 Arrangement for the potential-free measurement of currents |
| 07/02/2009 | WO2009080109A1 Gas-insulated switchgear device with optical current sensor |
| 07/02/2009 | WO2009079697A1 Cast-in insert |
| 07/02/2009 | WO2008027453A8 Hall sensor with temperature drift control |
| 07/02/2009 | US20090171602 Device for accurately measuring amplifier's open-loop gain with digital stimuli |
| 07/02/2009 | DE112007001316T5 Elektrisches System Electrical System |
| 07/02/2009 | DE102007063591A1 Installationsgerät Installation equipment |
| 07/02/2009 | DE102007062633A1 Anordnung zum potentialfreien Messen von Strömen Arrangement for floating measuring currents |
| 07/02/2009 | CA2710243A1 Cast-in insert |
| 07/01/2009 | EP1851556B1 Toroidal core current transformer comprising a phase compensation circuit |
| 07/01/2009 | CN201266214Y Automatic switching system for secondary voltage loop of electric energy metering loop in electric power substation |
| 07/01/2009 | CN201266213Y Magnetic circuit structure for inner magnetic type ammeter |
| 07/01/2009 | CN100507580C Electronic type transformer high voltage side redundant backup circuit and failure detection method |
| 07/01/2009 | CN100507579C Method and device for measuring voltage |
| 06/30/2009 | US7554331 Electric potential measuring device and image forming apparatus |
| 06/25/2009 | WO2009077991A1 Current sensor with laminated magnetic core |
| 06/25/2009 | WO2009077230A1 Method for measuring an alternating voltage and corresponding measuring circuit |
| 06/25/2009 | US20090160438 System for measuring an electromagnetic field, a control system using the measuring system, and an electronic circuit designed for the measuring system |
| 06/25/2009 | DE202009002181U1 Messanordnung im Bereich hoher Spannungen Measurement arrangement in the high voltages |
| 06/24/2009 | EP2073026A2 Fiber optic current sensor and method for sensing current using the same |
| 06/24/2009 | EP2073025A1 Current sensor with laminated magnetic core |
| 06/24/2009 | EP2073024A1 A digital multimeter with automatic measurement selection function |
| 06/24/2009 | CN101467052A Electrical measuring instrument having detachable current clamp |
| 06/24/2009 | CN101464476A Reworkable pressure vessel for a superconducting magnet |
| 06/24/2009 | CN100505121C Current transformer with rogowski type winding |
| 06/24/2009 | CN100504402C Current sensor |
| 06/23/2009 | US7552367 Fault recording and sequence of events recording device capable of recording communication-based signals related to electrical power systems |
| 06/23/2009 | US7552018 Method for quickly quantifying the resistance of a thin film as a function of frequency |
| 06/23/2009 | US7550960 Method and apparatus for measuring voltage in a power switching device |
| 06/23/2009 | US7550068 Wireless electrolytic cell monitoring powered by ultra low bus voltage |
| 06/18/2009 | US20090157331 System and a method for determining one or more parameters of a source of a potential-energy field |
| 06/18/2009 | DE102007060615A1 Magnetic fields measuring method for energy self-efficient information transmission in motor vehicle, involves bridging voltage drop resulting from external magnetic field to characteristics of external magnetic field |
| 06/17/2009 | CN201259516Y High-voltage current sensor |
| 06/17/2009 | CN101458271A Instrument transformer and apparatus for detecting an amount of power using the same |
| 06/17/2009 | CN101458270A Systems and methods for dissipating heat generated during an electrical measurement |
| 06/17/2009 | CN100501420C AC current sensor and method thereof, power supply using the AC current sensor |
| 06/17/2009 | CN100501417C Equipment and method for measuring current |
| 06/17/2009 | CN100501416C Device for measuring the electrical current |
| 06/17/2009 | CN100501415C Highly anti-interference alternating-current/magnetic field sensor |
| 06/16/2009 | US7548819 Signal measurement and processing method and apparatus |
| 06/16/2009 | US7548076 Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatuses |
| 06/16/2009 | US7546781 Ultrasonic operation apparatus and abnormality judgment method thereof |
| 06/11/2009 | WO2009072668A1 Current sensor |
| 06/11/2009 | WO2009071931A1 Measuring alternating current flowing through an electricity supply distribution unit |
| 06/10/2009 | EP2068157A1 Measurement installation for metering the energy supplied to rolling stock |
| 06/10/2009 | DE102007056581A1 Electrical load i.e. motor vehicle blower motor, controlling device, has connection elements brought out from housing, and chip and resistance element, which are electrically connected by connection elements |
| 06/10/2009 | CN101452015A Low power consumption isolation detection circuit for detecting high-pressure AC and detecting method thereof |
| 06/10/2009 | CN101452014A Inductively powered power bus apparatus |
| 06/10/2009 | CN101452013A Switch filter array box system |
| 06/09/2009 | US7546230 Electromagnetic response model with improved high frequency stability |
| 06/09/2009 | US7545138 Precision, temperature-compensated, shielded current measurement device |
| 06/09/2009 | US7545136 Device for measuring current |
| 06/04/2009 | WO2009067994A1 Optical proximity sensor for detecting magnetic material |
| 06/04/2009 | US20090140721 Digital multimeter having improved recording functionality |
| 06/04/2009 | DE10023048B4 Wechselspannungsdedektor Wechselspannungsdedektor |
| 06/03/2009 | EP2064560A2 Hall sensor temperature drift control |
| 06/03/2009 | EP1772038A4 System and method for delivery and management of end-user services |
| 06/03/2009 | EP1348132B1 Electrical resistance for the measurement of preferably high frequency alternating currents |
| 06/03/2009 | CN201251594Y Long distance non-contact current monitoring system and sensing probe thereof |
| 06/03/2009 | CN201251593Y Self-supported type high voltage current wireless sensor |
| 06/03/2009 | CN101449174A Optical fiber current sensor having sum detection |
| 06/03/2009 | CN100495044C Magnetic sensor |
| 06/02/2009 | US7542857 Technique for determining performance characteristics of electronic devices and systems |
| 06/02/2009 | US7541800 Methods and systems for detecting DC influence in a current sensor |
| 06/02/2009 | US7541799 Method and device for measuring a current flowing in an electrical conductor |
| 05/28/2009 | DE102008051414A1 Strommessung mit geschalteten Kondensatoren Current measurement with switched capacitors |
| 05/27/2009 | EP1264188B1 High precision rogowski coil |
| 05/27/2009 | CN201247310Y Tester for composite error of current mutual inductor |
| 05/27/2009 | CN201247258Y Clamping device |
| 05/27/2009 | CN101441235A Systems and methods for an open circuit current limiter |
| 05/27/2009 | CN100492024C Automatic hook-type electricity meter |
| 05/27/2009 | CN100492023C An eddy-current screen filter and its design method |
| 05/27/2009 | CN100492022C An air pressure filter, its design method and application |
| 05/26/2009 | US7538541 Split Rogowski coil current measuring device and methods |
| 05/26/2009 | US7538540 Bus bar current detecting apparatus |
| 05/26/2009 | US7538539 Current meter with reduced range switching and load transients |
| 05/26/2009 | US7538400 Sensor platform using a non-horizontally oriented nanotube element |
| 05/26/2009 | CA2352142C Method for diagnosing insulation degradation in underground cable |
| 05/22/2009 | WO2009065038A1 Extrapolation of back emf signals in brushless dc motors |
| 05/22/2009 | WO2009063118A1 System for diagnosing defects in electric motors |
| 05/22/2009 | WO2009034440A3 Device for measuring the intensity of an electric current and electric appliance including such device |
| 05/22/2009 | CA2707519A1 System for diagnosing defects in electric motors |
| 05/21/2009 | US20090128130 Integrated Sensor |
| 05/21/2009 | US20090128126 Rotary switch memory for digital multimeter |
| 05/21/2009 | US20090128124 Information display for digital multimeter |
| 05/20/2009 | EP2060923A2 Assembly for measuring electric current |
| 05/20/2009 | EP2059823A2 Sensor, method and system of monitoring transmission lines |
| 05/20/2009 | DE102007056143A1 Anordnung mit einem Sondenkörper sowie Verfahren zur Herstellung einer Anordnung mit einem Sondenkörper Assembly comprising a probe body and methods of making an assembly comprising a probe body |