| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 04/01/2009 | CN101401003A Device and method for measuring a first voltage and a second voltage by means of a differential voltmeter |
| 04/01/2009 | CN101398445A Multimeter with colorful LCD |
| 03/31/2009 | US7511483 Device for sensing RF field |
| 03/31/2009 | US7511471 Magnetic bridge electric power sensor |
| 03/26/2009 | WO2009010154A3 Circuit breaker comprising a magnetic field-sensitive sensor |
| 03/25/2009 | EP2040084A1 Inductively powered power bus apparatus |
| 03/25/2009 | EP2038662A2 Current monitoring device for high voltage electric power lines |
| 03/25/2009 | EP1108260A4 Dual-rated current transformer circuit |
| 03/25/2009 | CN101395484A Efficient calculation of a number of transitions and estimation of power dissipation in sequential scan tests |
| 03/25/2009 | CN101393308A Low birefringent optical fiber winding and fixing device for optical fibre current sensor |
| 03/25/2009 | CN100472692C Load information display device and circuit breaker |
| 03/24/2009 | US7508188 On-chip current sensing methods and systems |
| 03/19/2009 | WO2009034742A1 Optical fiber current measuring device and optical fiber current measuring method |
| 03/19/2009 | WO2009034455A1 Electric drive and method for controlling it |
| 03/19/2009 | US20090076745 Protection control measurement system |
| 03/19/2009 | DE102007045388A1 Messwandleranordnung mit einer Oberspannungswicklung sowie Verfahren zur Herstellung einer Messwandleranordnung mit einer Oberspannungswicklung Transducer arrangement with a high-voltage winding, as well as method of making a transducer assembly comprising a high-voltage winding |
| 03/19/2009 | CA2699017A1 Optical fiber electric current measurement apparatus and electric current measurement method |
| 03/18/2009 | EP2037286A1 Measuring device for measuring a magnetic field |
| 03/18/2009 | CN201210170Y Multifunctional electric grid examine integrated tester |
| 03/18/2009 | CN101388285A 1000kV electromagnetic standard voltage transformer for in-situ experiment and manufacturing method thereof |
| 03/18/2009 | CN101387657A Standard current transformer integration apparatus for on-site detection |
| 03/18/2009 | CN100470249C An apparatus for measuring an AC current in a cable |
| 03/17/2009 | US7504820 Current sensor with alternating magnetic excitation |
| 03/12/2009 | US20090066317 Transformer Meter and System for Using Same |
| 03/12/2009 | DE202008014686U1 Prüfgerät Laminator Tester Laminator |
| 03/12/2009 | DE19807912B4 Drehschaltervorrichtung sowie diese enthaltendes Prüfgerät A rotary switch device and containing them tester |
| 03/11/2009 | CN201207059Y Wide range electric power circuit of electronic type electrical energy meter |
| 03/11/2009 | CN101384910A Device for measuring DC current having large measurement swing, electronic trip comprising such a measurement device and cut-off device having such a trip |
| 03/11/2009 | CN101382568A Optical fiber type voltage measurement method and measuring set thereof |
| 03/11/2009 | CN100468066C Device and method for the reading direct and/or alternating currents |
| 03/10/2009 | US7501808 Current sensing device |
| 03/10/2009 | CA2609619A1 Status indicator |
| 03/05/2009 | WO2009027603A1 Current sensor for measuring a current flowing in at least one conductor |
| 03/05/2009 | WO2009027373A2 Measuring and/or switching device |
| 03/05/2009 | WO2009026945A1 Power sensor |
| 03/05/2009 | US20090058399 Clamp jaw assembly |
| 03/05/2009 | DE102007041176A1 Mess- und/oder Schaltgerät Measuring and / or switching device |
| 03/05/2009 | DE102007040399A1 Vorrichtung zur galvanisch getrennten Messung der elektrischen Leistungsaufnahme eines Zweipols Apparatus for electrically isolated measurement of electrical power consumption of a dipole |
| 03/04/2009 | EP2031412A2 Device for galvanically separated measurement of the electric voltage picked up by a two-pole network |
| 03/04/2009 | EP1224477B1 A closed-loop magnetoresistive current sensor system having active offset nulling |
| 03/04/2009 | CN201203648Y Test device for insulation resistance of combined multifunctional digital universal meter |
| 03/04/2009 | CN101379405A Current sensor |
| 03/04/2009 | CN101377979A Electronic current transformer |
| 03/04/2009 | CN101377978A Electronic current transformer device |
| 03/04/2009 | CN101377977A Electronic voltage transformer device |
| 03/04/2009 | CN101377976A Electronic voltage transformer |
| 03/04/2009 | CN101377527A Optical fiber voltage measuring instrument |
| 02/26/2009 | WO2009024692A1 Improved current sensor |
| 02/26/2009 | WO2009001160A4 Method for low frequency noise cancellation in magneto-resistive mixed sensors |
| 02/26/2009 | US20090055127 Method for gain error estimation for an analog-to-digital converter |
| 02/26/2009 | US20090055109 Device, method, and program for measuring signal, and recording medium |
| 02/26/2009 | DE102008036823A1 Dichtungseinrichtung für ein Gehäuse eines digitalen Multimeters Sealing means for a housing of a digital multimeter |
| 02/26/2009 | DE102008034537A1 Digitales Multimeter mit verbesserter Drehschalteranordnung Digital Multimeter with improved rotary switch assembly |
| 02/26/2009 | DE102008034536A1 Digitales Multimeter mit abgedichteter Eingangsanschlusserfassungseinrichtung Digital Multimeter with sealed input terminal detector |
| 02/26/2009 | DE102008034535A1 Digitales Multimeter mit Gehäuse-Bedienfeld-Struktur Digital Multimeter with housing panel structure |
| 02/26/2009 | CA2707102A1 Improved current sensor |
| 02/25/2009 | EP2028498A2 Systems and methods for an open circuit current limiter |
| 02/25/2009 | CN201199264Y Multi purpose meter for checking process |
| 02/25/2009 | CN201199262Y System for implementing Hall voltage non-linear output and Hall integrated circuit |
| 02/25/2009 | CN201199251Y Current inductor |
| 02/25/2009 | CN201199250Y Neon tube |
| 02/24/2009 | US7496485 Methods and apparatus for predicting convergence of a transversal waveform relaxation algorithm |
| 02/24/2009 | US7495430 MEMS based current sensor using magnetic-to-mechanical conversion and reference components |
| 02/19/2009 | WO2009021390A1 A detection device of shunt lead and a detection method thereof |
| 02/19/2009 | WO2008030129A3 Sensor and procedure for measuring bus bar current with skin effect correction |
| 02/19/2009 | US20090045823 Power efficient capacitive detection |
| 02/19/2009 | US20090045822 Capacitive detection systems, modules and methods |
| 02/19/2009 | US20090045800 System and method for configuring a display for a digital multimeter |
| 02/19/2009 | DE202008015560U1 Zangenstrommesser mit verdrehbarer Stromzange Current probe with rotatable clamp meter |
| 02/19/2009 | DE102008022787A1 Leiterplatte zum Erfassen eines Spannungsabfalls Circuit board for detecting a voltage drop |
| 02/19/2009 | DE102007037058A1 Current transformer module for energy and power measuring device, has housing and wire, which is linearly guided from free end through entry point and from another free end through exit point |
| 02/19/2009 | DE102007036573A1 Anordnung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stroms Arrangement and method for measuring a current flowing in an electrical conductor |
| 02/19/2009 | DE102007013806B4 Elektrischer Leiter mit Messwiderstand Electrical conductor with resistance measurement |
| 02/18/2009 | EP2026082A2 Double sided integrated processing and sensing chip |
| 02/18/2009 | EP2026080A2 System and method for configuring a digital multimeter |
| 02/18/2009 | EP2026079A2 Digital multimeter having improved recording functionality |
| 02/18/2009 | CN201196659Y Portable electric power quality monitoring instrument |
| 02/18/2009 | CN101369484A Non-contact type current/voltage converter |
| 02/18/2009 | CN101368984A Digital multimeter having improved rotary switch assembly |
| 02/18/2009 | CN101368983A Digital multimeter having sealed input jack detection arrangement |
| 02/18/2009 | CN101368982A Digital multimeter having housing sealing arrangement |
| 02/17/2009 | US7493052 Wide dynamic range sensor signal processing method & circuitry for analog and digital information signals |
| 02/17/2009 | US7492145 Electric current sensor with a bracket attached to the core on either side of the air-gap and outside of the air gap |
| 02/12/2009 | WO2009019252A1 Arrangement and method for measuring a current flowing in an electrical conductor |
| 02/12/2009 | WO2009019200A1 Arrangement for measuring a current flowing through an electrical conductor |
| 02/12/2009 | US20090039870 Electrical measuring instrument having detachable current clamp |
| 02/12/2009 | DE102007009175B4 Betriebsverfahren für einen Magnetfeldsensor basierend auf dem Tunnelmagnetowiderstandseffekt und zugehörige Anordnung zur Durchführung dieses Verfahrens An operating method for a magnetic field sensor based on the tunnel magneto-resistance effect and related arrangement for carrying out this method |
| 02/11/2009 | CN201194018Y Indoor optical fiber type high-voltage live display locking apparatus |
| 02/11/2009 | CN101364477A Combined transformers for metering capable of theft-resisting |
| 02/11/2009 | CN101364475A Closed-loop control method and apparatus enhancing dynamic performance of optical fiber current mutual inductor |
| 02/11/2009 | CN101364474A Air-actuated energizing apparatus for current mutual inductor |
| 02/11/2009 | CN101363876A Current inductor and iron core group thereof |
| 02/11/2009 | CN101362247A Gas shield tungsten electrode argon-arc welding voltage measurement circuit |
| 02/11/2009 | CN100460878C Magnetic bridge electric power sensor |
| 02/10/2009 | US7489122 Method and device for measuring voltage |
| 02/05/2009 | WO2008089341A3 System for fault determinations for high frequency electronic circuits |
| 02/05/2009 | DE102008033198A1 Verfahren und Vorrichtung zum Verstärken eines Signals sowie diese verwendendes Prüfgerät Method and apparatus for amplifying a signal and this-use tester |
| 02/05/2009 | DE102007036674A1 Anordnung zur Messung eines in einem elektrischen Leiter fließenden Stroms An arrangement for measuring a current flowing in an electrical conductor |
| 02/05/2009 | DE102007035184A1 Current measuring device for electrical conductor, has circular base bodies with opening and sensor for detecting field generated by current flow, where base bodies have two segments that are detachably connected with each other |
| 02/04/2009 | EP2019969A2 User interface for monitoring a plurality of faulted circuit indicators |