Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
05/2009
05/20/2009DE102007054395A1 Anordnung zur Messung eines elektrischen Stromes Arrangement for measuring an electric current
05/20/2009DE102007051579A1 Current transformer for measurement and protection in high or medium voltage networks, has bus bar which runs into upper area through opening channel with play
05/20/2009CN201242563Y Thunderbolt transient impact current sensor
05/20/2009CN201242562Y Circuit for transferring same current into voltage of linear space and logarithm space
05/20/2009CN201242561Y Apparatus for detecting power supply current
05/20/2009CN101438174A Input by-pass circuit for a current probe
05/20/2009CN101438173A Current sensing circuit for use in a current measurement probe
05/20/2009CN101436463A Detachable high precision feeble current sensor
05/20/2009CN101435833A Single-phase multiple-parameter electric power instrument
05/14/2009WO2008115734A3 A clamping apparatus and a system and method for detecting defects in electrical wiring
05/14/2009US20090125259 Apparatus and methods of defining spectral regions of interest for signal analysis
05/14/2009US20090125253 Passive intermodulation test apparatus
05/14/2009US20090121704 Current Measuring Apparatus
05/13/2009EP2057658A1 Terminal unit of a bus system
05/13/2009CN201238192Y Intelligent isolation type safety grid
05/13/2009CN201237617Y Standard current mutual inductor integration apparatus for field detection
05/13/2009CN201237616Y Electronic voltage transducer
05/13/2009CN201237615Y Sensor for high-voltage live display device
05/13/2009CN201237612Y High-tension electric energy metering device based on optoelectronic mutual inductor and Web issuance
05/13/2009CN101430347A Magnetic collection feedback type optical fiber current sensor
05/07/2009WO2009027373A3 Measuring and/or switching device
05/07/2009WO2009008757A3 Magneto-optical head with adjustable analyzer for current measurements at medium and high voltage
05/07/2009US20090115403 Split core status indicator
05/07/2009US20090115400 Status indicator
05/07/2009US20090115399 Shielded Current Sensor
05/07/2009US20090115398 Device And Method For Measuring A First Voltage And A Second Voltage By Means Of A Differential Voltmeter
05/07/2009DE19954182B4 Elektronischer Multimeter Electronic Multimeter
05/07/2009DE102007052408A1 Magnetic field sensor i.e. giant magnetic resistance sensor, operating method for measuring e.g. current, involves using front reversal point on characteristics curve as new starting point for forming changeable hysteresis loop
05/07/2009DE102007046347B3 Gerät zum Erfassen eines Fehlerstroms An apparatus for detecting a fault current,
05/07/2009DE102006032763B4 Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes Apparatus and method for measuring a current flowing in an electric conductor current
05/07/2009DE102006032762B4 Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes und Verwendung des Verfahrens sowie einer Vorrichtung zur Überwachung von Strömen im Bordnetz eines Kraftfahrzeugs A method of measuring a current flowing in an electric conductor current, and use of the method and an apparatus for monitoring currents in the electrical system of a motor vehicle
05/06/2009EP2056115A1 Autoranging Power Measurements for Smart Metering in Households, Small Business and Appliances
05/06/2009EP1419395B1 Magnetic field sensor using microelectromechanical system
05/06/2009CN201233808Y Current mutual inductor having shunting resistor
05/06/2009CN201233423Y Electric network voltage detection device
05/06/2009CN201233421Y Adjustable current sensor
05/06/2009CN201233419Y Mobile terminal and multimeter
05/06/2009CN201233418Y Intelligent distributing transformer monitoring and metering terminal
05/06/2009CN101427142A Fiber-optic current sensor with polarimetric detection scheme
05/06/2009CN101424708A Optical voltage transformer
05/06/2009CN101424707A Coaxial structure capacitive divider for measuring ns high voltage pulse
05/06/2009CN101424701A Computation method for making AC load
05/06/2009CN100485737C Mutual inductor
05/06/2009CN100485407C Magnetic field sensor and electrical current sensor thereof
05/06/2009CN100485396C Method for measuring high voltage by current method and its device
05/05/2009US7528594 Device for the reading of direct and/or alternating currents
05/05/2009US7528593 Current measuring device
05/05/2009US7528592 Magnetoresistive sensor for current sensing
04/2009
04/30/2009WO2009054157A1 Optical fiber current sensor and current measuring method
04/30/2009WO2009000236A3 High-dynamic ammeter with small time constant
04/30/2009US20090112500 Memory-Based High-Speed Interferometer
04/30/2009US20090108833 Isolated current to voltage, voltage to voltage converter
04/30/2009DE102008034538A1 Digitales Multimeter mit scharnierbefestigter Abdeckanordnung Digital Multimeter with hinged cover assembly mounted
04/30/2009DE102006028520B4 Stromsensor mit einem Hall-Element Current sensor with a Hall element
04/30/2009CA2703344A1 Optical fiber electric current sensor and electric current measurment method
04/29/2009CN201229847Y Weak output capacitor type voltage mutual inductor
04/29/2009CN201229376Y 电缆插件式电压传感器 Cable plug-in voltage sensor
04/29/2009CN201229372Y Three-phase optical fiber electronic mutual-inductor
04/29/2009CN201229371Y Optical fiber electronic mutual-inductor
04/29/2009CN201229370Y Device capable of implementing safety thermal plug of secondary current loop of electrical measuring instrument of transforming plant
04/29/2009CN201229369Y AC electrical artificer meter
04/29/2009CN201229368Y Multipath fast switching circuit for testing Crystal Oscillator by network analyser
04/29/2009CN201229367Y Low noise deviation frequency generator
04/29/2009CN101419246A Digital multimeter having hinged shield arrangement
04/28/2009US7526391 Method and apparatus to evaluate transient characteristics in an electrical power system
04/28/2009US7526388 Method of selecting and analyzing scrap silicon
04/23/2009US20090102454 Accuracy enhancing mechanism and method for current measuring apparatus
04/23/2009DE112007001310T5 Elektrisches System Electrical System
04/22/2009EP2051084A1 Electrical quantity measuring device for energy transport lines
04/22/2009EP1348133B1 Electrical quantity sensor
04/22/2009CN201226292Y Electron type current transformer for ultrahigh voltage transmission line and apparatus for measuring corona loss thereof
04/22/2009CN201226012Y Ultracrystalline high voltage electric power batch meter
04/22/2009CN201226009Y Sensing head of optical fiber optical grating Fabry-Perot current sensor
04/22/2009CN201224662Y Non-load sensing type elevating capacity stopper
04/22/2009CN100481277C Diffluence resistor and making method thereof
04/22/2009CN100480705C Current sensor with reduced sensitivity to stray magnetic fields
04/16/2009US20090099797 Method to produce an optical module for analog data transmission
04/16/2009DE102007046483A1 Schaltungsanordnung zur Überwachung einer elektrischen Isolation Circuit arrangement for monitoring an electrical insulation
04/15/2009CN101408560A Double-magnetic loop direct current detector
04/15/2009CN101408559A Method for preparing sensitive coil of reflection type optical fiber current sensor
04/15/2009CN101408558A Minitype optical DC/AC electric field sensor
04/14/2009US7518529 Monitoring device for a medium voltage overhead line
04/14/2009US7518354 Multi-substrate integrated sensor
04/09/2009WO2009045967A1 Synchronized phasor processor for a power system
04/09/2009WO2005031299A3 Sensor platform using a non-horizontally oriented nanotube element
04/09/2009CA2701220A1 Synchronized phasor processor for a power system
04/08/2009EP2044446A2 Current-sensing apparatus and method for current sensing
04/08/2009CN201219065Y High potential side energy supplying device of active electronic photoelectric current mutual inductor
04/08/2009CN201218820Y High tension equip isolation power supply based on electro-optical transformation
04/08/2009CN101403769A Multi-meter with trend capturing function
04/07/2009US7516248 Obtaining extended queue measurement data for a range of logical control unit queues
04/02/2009WO2006081016A3 Method and system of obtaining data from field devices
04/02/2009US20090085573 Differential-mode-current-sensing method and apparatus
04/02/2009DE202009000098U1 Strommessanordnung Current-measuring device
04/02/2009DE202009000097U1 Strommessanordnung Current-measuring device
04/01/2009CN201215768Y Integrated current mutual inductor with large climbing distance
04/01/2009CN201215767Y Current mutual inductor having support integrated with the inductor
04/01/2009CN201215766Y Current mutual inductor having ring shaped metal sleeve
04/01/2009CN201215765Y Novel current mutual inductor
04/01/2009CN201215568Y Screwdriver shaped multimeter
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