| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 06/18/2008 | CN201075336Y Bipolarity multi-transformation ratio current mutual inductor |
| 06/18/2008 | CN201075118Y Wafer type billisecond impulse current shunt |
| 06/18/2008 | CN101201367A Intelligentized test system for electric coupler |
| 06/18/2008 | CN101201366A Whole shielding capacitor voltage transformer |
| 06/17/2008 | US7388365 Method and system for inspecting specimen |
| 06/17/2008 | US7388363 Detector circuit to be used for measuring current |
| 06/12/2008 | WO2008070092A2 Subtractive current measuring apparatus and method |
| 06/12/2008 | US20080136403 Apparatus for the detection of a current and method for operating such an apparatus |
| 06/11/2008 | EP1930736A2 Voltage measurement instrument and method having improved automatic mode operation |
| 06/11/2008 | EP1930735A1 Method and device for measuring alternating current |
| 06/11/2008 | CN201072701Y Capacitive potential divider |
| 06/11/2008 | CN201072426Y Checking device for shunting conducting wire |
| 06/11/2008 | CN201072425Y Electric voltage supplying module used for electrical power system of partial discharge test |
| 06/11/2008 | CN101196539A Low energy consumption series current mutual inductor for detecting 1~750000V transformer |
| 06/11/2008 | CN101196538A Three-phase electric parameter processing plate |
| 06/11/2008 | CN100394209C Current mutual inductor in-situ detecting device and method |
| 06/10/2008 | US7386444 Hybrid speech coding and system |
| 06/10/2008 | US7385266 Sensor platform using a non-horizontally oriented nanotube element |
| 06/05/2008 | WO2008065196A2 Faraday effect current sensor |
| 06/05/2008 | DE102006056705A1 Electrical parameter e.g. electric current, determination circuit, for vehicle, has capacitor arranged between reference potential and nodea that lies between control circuit and inductor, and evaluation device connected to capacitor |
| 06/04/2008 | EP1927863A1 Current measuring device |
| 06/04/2008 | CN201069700Y High-stability dry three-phase combined mutual inductor |
| 06/04/2008 | CN201069449Y Protection circuit of digital multi-purpose meter |
| 06/04/2008 | CN101191814A Intelligent type electric power wiring trouble indication method and indicator |
| 06/03/2008 | US7383137 Method and apparatus for measuring absolute and net power consumption for computer systems |
| 05/29/2008 | WO2008061444A1 A split-path linear isolation circuit apparatus |
| 05/29/2008 | WO2007142733A3 Electrical system |
| 05/29/2008 | US20080124020 System For Remote Measurements |
| 05/29/2008 | US20080122430 Detector Circuit for Measuring Current |
| 05/29/2008 | DE102006054369A1 Sensor arrangement for use in motor vehicle, has circuit arrangement connected with contact areas of supply bus and designed to detect parameter representing electrical current flowing between connections of sensor arrangement |
| 05/29/2008 | DE102006053935A1 Anordnung und Verfahren zur Ermittlung von Lastströmen in einem Fahrzeug Apparatus and method for the determination of load currents in a vehicle |
| 05/29/2008 | DE102004027349B4 Prüfanordnuung und Verfahren zum Ermitteln des Verlustfaktors einer Hochspannungsdurchführung Prüfanordnuung and method for determining the loss factor of a high-voltage bushing |
| 05/28/2008 | EP1311868B1 Circuit arrangement for monitoring the state of charge of an accumulator |
| 05/28/2008 | CN201066369Y Polarity tester for current mutual inductor |
| 05/28/2008 | CN201066368Y Integrated testing pole for 6/10kV high voltage parameter |
| 05/28/2008 | CN201066367Y Integrated testing instrument for 6/10kV high voltage parameter |
| 05/28/2008 | CN101189525A An improved system and method of mounting current transducers in proximity to circuit breakers |
| 05/28/2008 | CN101187680A AC power system voltage sensor |
| 05/28/2008 | CN101187677A Multifunctional electrical parameter measuring instrument |
| 05/28/2008 | CN100390549C Electromagnetic field sensing element and its apparatus |
| 05/22/2008 | WO2008058981A2 Arrangement and method for determining load currents in a vehicle |
| 05/22/2008 | US20080116879 Voltage measuring device |
| 05/21/2008 | EP1923709A1 Active linear current transducer |
| 05/21/2008 | EP1922554A1 Current measurement circuit and method of diagnosing faults in same |
| 05/21/2008 | EP1922550A1 Method and system for monitoring power flow through an electric power transmission line |
| 05/21/2008 | CN101183606A Electronic type current mutual inductor |
| 05/21/2008 | CN101183123A Ultra-, extra-high voltage industrial frequency AC immediate contact type electroscope |
| 05/21/2008 | CN101183121A Extra-high voltage reference capacitor |
| 05/20/2008 | US7375507 Assembly group for current measurement |
| 05/20/2008 | CA2397973C Partial discharge detection test link, partial discharge detection system and methods for detecting partial discharge on a power cable |
| 05/15/2008 | WO2008057800A2 Shielded rogowski coil assembly and methods |
| 05/15/2008 | WO2008057799A2 Split rogowski coil current measuring device and methods |
| 05/15/2008 | DE202008001931U1 Feldkontaktkissen Field contact pads |
| 05/15/2008 | DE102006053021A1 Kraftfahrzeugsensor, insbesondere Batteriesensor mit Messwiderstand Motor vehicle sensor, in particular battery sensor with measuring resistor |
| 05/14/2008 | EP1921458A2 Electric field sensor and adjustment method thereof |
| 05/14/2008 | CN201060252Y Three phase electronic type over loading relay tester |
| 05/14/2008 | CN201060230Y High voltage type hall electric current pick-up shoe |
| 05/14/2008 | CN201060229Y Bus type digital instrument |
| 05/14/2008 | CN101179188A Second open circuit protector of current mutual inductor |
| 05/14/2008 | CN101178417A High-precision rogowski current transformer |
| 05/13/2008 | US7373435 Extended input/output measurement block |
| 05/08/2008 | WO2008052495A1 Method and arrangement for measuring the voltage on a conductor |
| 05/08/2008 | WO2007124056A3 Inline audio/visual conversion |
| 05/08/2008 | US20080106254 Split Rogowski coil current measuring device and methods |
| 05/08/2008 | US20080106253 Shielded Rogowski coil assembly and methods |
| 05/08/2008 | US20080106252 Integrated current sensing transformer and current sensing circuit using such transformer |
| 05/07/2008 | CN201057533Y Multimeter with accurate capacitance measuring function |
| 05/07/2008 | CN101173963A Multifunctional tester |
| 05/02/2008 | WO2007079468A3 Efficient calculation of a number of transitions and estimation of power dissipation in sequential scan tests |
| 05/02/2008 | WO2007076097A3 Apparatus and method for compensating digital input delays in an intelligent electronic device |
| 04/30/2008 | DE102006034570A1 Electrical parameter i.e. current, determining device, has additional piezoelement provided for causing current flow, which is evaluated for determining electrical parameter in particular for current measurement |
| 04/30/2008 | CN201054009Y Four-range voltage measuring instrument |
| 04/30/2008 | CN201054008Y Voltage measuring instrument for eliminating variation and thermoelectric potential influence |
| 04/30/2008 | CN201054007Y Voltage measuring instrument with multiple ranges |
| 04/30/2008 | CN201054006Y Four-range voltage measuring device adopting current splitting branch |
| 04/30/2008 | CN201054005Y Voltage measuring device for overcoming thermoelectric potential influence |
| 04/30/2008 | CN201054004Y Voltage measuring device with 1uV resolution |
| 04/30/2008 | CN201054003Y Variation-free voltage measuring device adopting transposition branch |
| 04/30/2008 | CN201054002Y Voltage measuring instrument |
| 04/30/2008 | CN201054000Y Voltage measuring instrument with minimum stepping 0.1uV |
| 04/30/2008 | CN201053999Y Two-range potentiometer possessing three measuring disc |
| 04/30/2008 | CN201053998Y Two-range potentiometer |
| 04/30/2008 | CN201053997Y Two-range DC potentiometer |
| 04/30/2008 | CN201053996Y Portable potentiometer |
| 04/30/2008 | CN201053995Y Three-range portable potentiometer |
| 04/30/2008 | CN201053994Y Three-range potentiometer adopting transposition branch |
| 04/30/2008 | CN201053993Y Three-range potentiometer adopting transposition branch |
| 04/30/2008 | CN201053992Y Two-range portable potentiometer |
| 04/30/2008 | CN201053988Y Highly antijamming AC current/ magnetic field sensor |
| 04/30/2008 | CN201053987Y Small dimension network electric instrument |
| 04/30/2008 | CN201053986Y All-purpose precise wire test instrument |
| 04/30/2008 | CN201053985Y Voltage current-sensing device and shielding structure |
| 04/30/2008 | CN100385243C Circuit configuration and method for compensating for the changes in a transfer ratio of a magnetic field sensor arrangement |
| 04/29/2008 | US7366622 Arc fault identification using model reference estimation |
| 04/24/2008 | WO2008048746A1 Automatic wireless communication coverage system |
| 04/24/2008 | US20080097712 Test Equipment and Portable Test Device |
| 04/24/2008 | US20080094162 Current Sensor |
| 04/24/2008 | US20080094055 Chopped hall effect sensor |
| 04/23/2008 | EP1913406A1 Three-phase current sensor |
| 04/23/2008 | EP1574822B1 Device for telemonitoring the state of aerial power lines |