Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
04/2010
04/14/2010CN1963556B Apparatus for integrality checking proportion of cryo-current comparator and the method thereof
04/14/2010CN1912638B Can type capacitor voltage mutual inductor
04/14/2010CN101694945A Uninterruptible power source monitoring device
04/14/2010CN101694810A Antiresonant three-phase four-wire integrated casting insulated mutual inductor
04/14/2010CN101694595A Method and system for discovering a power source on a peripheral bus
04/14/2010CN101694501A On-line detection method of exciting current of switching mode power supply transformer
04/14/2010CN101303373B Method for manufacturing optical fiber current sensor sensitivity coil
04/13/2010US7698077 System and method for signal level detection
04/08/2010US20100085782 Load current detection in electrical power converters
04/08/2010US20100085036 Overhead Communicating Device
04/08/2010DE19905118B4 Stromteiler für Meßwandler Power divider for transducer
04/08/2010DE102008050753A1 Verfahren zum Erfassen einer physikalischen Größe durch einen Leistungsschalter A method for detecting a physical quantity by a circuit breaker
04/08/2010DE102008049781A1 Verfahren und Messvorrichtung zur Messung des Ausgangsstroms einer getakteten Halbbrückenschaltung The method and measuring device for measuring the output current of a switched-mode half-bridge circuit
04/07/2010EP2171483A1 Improved current sensor
04/07/2010CN201436672U Siamese transformer
04/07/2010CN101692401A Optical fiber current transformer with optical fiber temperature acquisition and temperature compensation
04/07/2010CN101692400A Self-healing optical current transducer
04/07/2010CN101692399A Transient current transformer
04/07/2010CN101692102A Power frequency zero-flux mini-current sensor for capacitive equipment dielectric loss on-line monitoring
04/01/2010WO2010034334A1 Method and microelectromechanical system for capturing a measurement variable for an electric current flowing through an electrical conductor, and an arrangement
04/01/2010US20100079922 Self powered electronic overload method and system
04/01/2010US20100079131 Audio frequency device for audible eyes off measurements
04/01/2010DE102009041668A1 Stromsensor Current sensor
03/2010
03/31/2010CN201435305Y Current and voltage transformer module
03/31/2010CN201435304Y Current mutual inductor
03/31/2010CN201435303Y Outdoor high-voltage zero-sequence current transformer
03/31/2010CN201435302Y Current mutual inductor for voltage output
03/31/2010CN201434888Y Temperature compensation type current sensing head
03/31/2010CN201434883Y Rogowski coil electric quantity transducer
03/31/2010CN201434882Y Passive open alternating-current transducer
03/31/2010CN201434881Y RS485 interface circuit and electric energy meter employing same
03/31/2010CN101688887A Rogowski current sensor
03/30/2010CA2422689C Wide ratio autotransformer-type current ranging
03/25/2010US20100072981 Voltage measurement instrument and method having improved automatic mode operation
03/25/2010DE102008003586B4 Meßgerät, insbesondere Prüfgerät und/oder Multimeter Instrument, particularly test and / or multimeter
03/24/2010EP2165401A1 Nulling current transformer
03/24/2010EP2165206A1 Method for low frequency noise cancellation in magneto-resistive mixed sensors
03/24/2010CN201430073Y Base seat for current transformer
03/24/2010CN201430072Y Open-close type current transformer with sheath
03/24/2010CN201430071Y Capacitance shield voltage divider
03/24/2010CN201429648Y Single-phase electric meter adopting electric carrier wave technology
03/24/2010CN201429647Y Triphase electronic multifunction electric meter
03/24/2010CN201429646Y Optical fiber electric current sensor
03/24/2010CN201429642Y Sampling device for measuring voltage of high-voltage line
03/24/2010CN201429641Y Low-power anti-electromagnetic interference type isolating distributor
03/24/2010CN101680918A Optical VT device
03/24/2010CN101680917A Arrangement for measuring the current running in an electric conductor
03/24/2010CN101680916A Clamp-on current and voltage module for a power monitoring system
03/24/2010CN101680915A Method and device for evaluating fast current changes
03/24/2010CN101676735A Current sampling hall sensor device
03/18/2010WO2010029265A1 Wide-range open-loop current sensor
03/18/2010WO2010010090A3 3-phase faraday optical current sensor assembly
03/17/2010EP2163908A1 Current sensor
03/17/2010CN201425885Y Square-shaped primary core penetrating high-precision current mutual inductor for metering
03/17/2010CN201425603Y Signal amplifying circuit for receiver of transient high-voltage electromagnetic pulse detector
03/17/2010CN101675344A Sensor assembly and method for measuring strokes of lightning
03/17/2010CN101673930A Arc detection using discrete wavelet transforms
03/17/2010CN101672870A Magneto-optic current transducer and manufacturing method thereof
03/17/2010CN101672868A Optical voltage measuring apparatus
03/17/2010CN101672865A Novel optical fibre current sensor system
03/17/2010CN101672864A Multi-functional measurement instrument with safety protection device
03/16/2010US7679356 Digital multimeter having improved recording functionality
03/11/2010WO2010027390A2 Measurement circuit for an electronic ballast
03/11/2010US20100060261 Measurement signal coupling device with electrical isolation and electrical equipment unit comprising one such device
03/11/2010CA2678212A1 Optical voltage measuring apparatus
03/10/2010CN201421775Y Outdoor reversed current transformer for electric locomotive
03/10/2010CN201421773Y Isolating terminal employing flat plate-type transformer
03/10/2010CN201421474Y Electromagnetic interference-resistant isolating terminal
03/10/2010CN101666821A Multifunctional and intelligent alternating current meter
03/04/2010WO2009019200A8 Arrangement for measuring a current flowing through an electrical conductor
03/04/2010DE102008044464A1 Device for evaluating current measuring signal of Hall sensor of electronic circuit of e.g. motor vehicle door contact, has power source whose output is connected to output of current mirror circuit to form output for device
03/04/2010DE102008041539A1 Shuntwiderstand mit Auswerteschaltung Shunt resistor with evaluation
03/04/2010DE102008039568A1 Stromerfassungsvorrichtung Current detecting device
03/03/2010CN201417675Y Intelligent combined mutual inductor
03/03/2010CN201417673Y A mutual-inductor with electronic identification system
03/03/2010CN101661054A Optical fiber DC comparator for DC high-voltage transmission
03/03/2010CN100593120C Electric power monitoring and response system
03/02/2010US7671580 Integrated current sensing transformer and current sensing circuit using such transformer
02/2010
02/25/2010WO2010020734A1 Electric wire device and electric wire box
02/25/2010US20100045263 Current measurement device with electrical isolation, electronic trip unit, and circuit breaker comprising one such device
02/25/2010DE102009036107A1 Hochstromsensor High Current Sensor
02/24/2010EP2157437A1 Method for measuring a current, particularly through an earthing device
02/24/2010EP2157436A1 Current sensor
02/24/2010EP2156529A1 Voltage measurements of electrically conducting elements in systems for controlling electrical processes
02/24/2010CN201413767Y Dual instrument transformer
02/24/2010CN201413352Y Sensor device with strong interference resistance
02/24/2010CN201413202Y Online two-path temperature detection device
02/24/2010CN101655515A Digital multimeter
02/24/2010CN101655514A Device and method for zero setting of test instrument
02/24/2010CN100592089C Method for determining the load of an electric conductor
02/23/2010US7669061 System and method for providing for remote monitoring and controlling of voltage power transmission and distribution devices
02/23/2010US7667452 Detector circuit for measuring current
02/23/2010CA2571779C Separable electrical connector component having a voltage output branch and a direct access point
02/18/2010US20100039118 Current Measurement Circuit and Method of Diagnosing Faults in Same
02/18/2010DE102009034233A1 Sensorsystem und Verfahren Sensor system and method
02/18/2010DE102009011665A1 Anordnung zur Messung von Stromertrags- und/oder Verbrauchsgrößen in einem Niederspannungsnetz Arrangement for measuring Stromertrags- and / or consumption variables in a low-voltage network
02/18/2010DE102008035074A1 Verfahren zum Messen der Stromstärke eines Wechselstromes A method for measuring the current of an alternating current
02/18/2010DE102008029476A1 Berührungslos arbeitende Strommessanordnung zur Messung eines Batteriestromes Non-contact current-measuring device for measuring a battery current
02/17/2010EP2153237A1 Arrangement for measuring the current running in an electric conductor
02/17/2010CN201408643Y One-step end structure of optical fiber type current transformer
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