Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
12/2010
12/15/2010CN201673802U Increased safety magnetic balance current transformer
12/15/2010CN201673800U Outdoor voltage transformer
12/15/2010CN201673798U Novel mutual inductor
12/15/2010CN201673190U Multi-meter with flexible current sensor
12/15/2010CN201673189U Pointer multimeter
12/15/2010CN201673188U Cable head insulator type current commutator
12/15/2010CN101919009A Arrangement comprising a gas-tight measurement bushing
12/15/2010CN101916648A Digital type linear alternating voltage transformer of multi-frequency range measurement and measuring method thereof
12/15/2010CN101916647A Multiband measurement digital linear alternating current transformer and measuring method thereof
12/15/2010CN101915868A Acquisition circuit for improving acquisition precision of voltage signal
12/15/2010CN101915866A All-fiber current transformer and working method thereof
12/15/2010CN101915865A Miniature optical fiber current sensor probe and making method thereof
12/15/2010CN101447327B Method for improving stain resistance of capacitor voltage transformer and device thereof
12/15/2010CN101388285B 1000kV electromagnetic standard voltage transformer for in-situ experiment and manufacturing method thereof
12/09/2010WO2010042424A8 Current measuring device
12/09/2010US20100308797 Power sensor
12/09/2010DE202010011725U1 Vorrichtung zur Strommessung an einem elektrischen Leiter Device for measuring current in an electrical conductor
12/09/2010DE10204425B4 Stromsensor nach dem Kompensationsprinzip Current sensor according to the compensation principle
12/09/2010DE102009024301A1 Multi-electricity meter module for monitoring power consumption of e.g. light in industrial building, has communication component converting physical variables and identification features as output data over communication interface
12/08/2010CN201667282U Capacitive divider
12/08/2010CN201666913U Lightning strike waveform monitoring system of power transmission line poles and towers
12/08/2010CN201666908U Power measurement display instrument
12/08/2010CN201666902U High-voltage line parameter testing and protecting device
12/08/2010CN101908416A High-insulativity, high-precision and environment-friendly capacitive divider
12/08/2010CN101907654A Large dynamic weak current detection device for radiation detection
12/08/2010CN101907653A Signal acquisition and transmission device for high-voltage DC transmission converter valve
12/08/2010CN101907652A Damping circuit current measuring device of high-voltage direct-current power transmission thyristor
12/08/2010CN101907651A Main circuit current measuring device for high-voltage DC transmission converter valve
12/08/2010CN101907650A Magneto-optical balance type optical fiber current transformator
12/08/2010CN101907649A FPGA-based sample data interface circuit for electronic mutual inductor
12/08/2010CN101581738B Overvoltage sensor of overhead transmission line
12/08/2010CN101393308B Low birefringent optical fiber winding and fixing device for optical fibre current sensor
12/02/2010US20100301836 Device for measuring the intensity of an electric current and electric appliance including such device
12/02/2010US20100301835 Current sensor
12/02/2010DE102009026496A1 Sensor, particularly micro-mechanical sensor for capacitive determination of measure, has conversion unit for imaging measure of capacitor, where compensation device is equipped with electrical connection device
12/01/2010EP1762001B1 Circuit arrangement and method for adjusting the power input of a load which can be operated on a direct current supply network
12/01/2010CN201663050U Electronic combined transformer
12/01/2010CN201663049U Current transformer with novel terminal box
12/01/2010CN201662589U Non-contact high-voltage electric field sensor
12/01/2010CN201662588U Hook type electric meter providing light source
12/01/2010CN201662587U Connecting structure of current detection circuit
12/01/2010CN101903780A Current sensor with laminated magnetic core
12/01/2010CN101901681A 10 kV passive electronic voltage transformer
12/01/2010CN101901680A Electronic type voltage transformer
12/01/2010CN101901679A Concentricity-autocompensation type coaxial capacitance partial pressure electronic voltage transformer and compensation method thereof
12/01/2010CN101477142B Weak signal multimeter body with switch function according to user connection and its use method
12/01/2010CN101057149B Self-powered power bus sensor employing wireless communication
11/2010
11/30/2010US7844436 Method and localization unit for detecting and locating load coils in a transmission line
11/30/2010US7843189 Current sensor having coil mounted to current carrying bus and related system
11/25/2010WO2010134327A1 Electric current measuring instrument
11/25/2010US20100295540 Branch power monitoring system
11/25/2010DE202009014382U1 Messvorrichtung zur galvanisch unabhängigen Messung von elektrischen Strömen Measuring device for galvanically independent measurement of electrical currents
11/25/2010DE102009022314A1 Verfahren und Schaltungsanordnung zur Messung des Stroms durch eine induktive Last Method and circuit arrangement for measuring the current through an inductive load
11/25/2010DE102009022135A1 Switch arrangement for measuring e.g. direct current to detect and control current flow in lamp, has control and evaluation device determining average current value from measuring current based on measured voltage
11/25/2010CA2762350A1 Electric current measuring apparatus
11/24/2010EP2253963A1 Sensor for an electric variable having a flat interface and adapted connector
11/24/2010CN201655531U Electronic current transformer with phase-shift circuit
11/24/2010CN201655529U Dry-type current transformer and primary winding thereof
11/24/2010CN201655526U Voltage mutual inductor and voltage mutual inductor cylinder
11/24/2010CN201655524U Voltage transformer and casing thereof
11/24/2010CN201654153U Live tester of zinc oxide arrester
11/24/2010CN201654104U Two-range voltage measuring device with four measuring discs
11/24/2010CN201654103U Switch device of digital multimeter
11/24/2010CN201654102U Intelligent power distribution multifunctional instrument
11/24/2010CN201654101U Low power point detection device of electric toy
11/24/2010CN201654100U Attenuator for generating standard weak voltage signals
11/24/2010CN201654099U Pulse current sensor
11/24/2010CN201654098U Electric energy meter set detection tray
11/24/2010CN201654097U Broadband high-gain magnetic field loop test antenna based on resonance principle
11/24/2010CN101893655A Digital optical current sensor
11/24/2010CN101893654A Method and system for measuring transient overvoltage of high voltage power network through distribution capacitance method
11/24/2010CN101893649A Sensor having flat combining part and adapted connector
11/17/2010EP2251701A1 Method for extracting field strength information
11/17/2010EP2250509A2 Current measuring device using a magnetically sensitive sensor for a power electronics system
11/17/2010CN201639120U Transit socket used for multimeter
11/17/2010CN201638669U Fast saturation current transformer
11/17/2010CN201638668U High voltage dry type current transformer
11/17/2010CN201638665U Novel mutual inductor
11/17/2010CN201638626U Chain-type Rogowski coil
11/17/2010CN201638145U RS232/RS485 (Recommend Standard 232/Recommend Standard 485) integrated interface circuit
11/17/2010CN201637817U Test system
11/17/2010CN201637803U Portable failure data recorder
11/17/2010CN101887081A Bridge zero adjustment circuit
11/17/2010CN101887076A Circuit and device of isolation sensor
11/17/2010CN101294989B Three-phase optical fiber electric mutual inductor
11/16/2010US7834614 Method and apparatus for evaluating rapid changes in current
11/16/2010US7834613 Isolated current to voltage, voltage to voltage converter
11/11/2010WO2010128385A1 System and method for sensing voltage in medium-to-high voltage applications
11/11/2010US20100283491 Double-Clamp Earth Tester Device
11/11/2010DE202010012058U1 Kontrollvorrichtung für eine Fahrzeugbatterie Control device for a vehicle battery
11/11/2010DE102009012794B3 Hysteresearmer Sensor Hysteresearmer sensor
11/11/2010CA2761331A1 System and method for sensing voltage in medium-to-high voltage applications
11/10/2010CN201629220U Current transformer with live sensor and contact box
11/10/2010CN201629219U Connecting structure of grounded pipe and equalizing shield for current transformer
11/10/2010CN201629218U Potential transformer
11/10/2010CN201629217U Tank type voltage transformer
11/10/2010CN201628740U Flange mounting type voltage sensor
11/10/2010CN201628739U Observation window structure of centralized meter box
11/10/2010CN101881790A Intelligent electric power parameter tester
11/10/2010CN101881789A Secondary side output signal cable transmission device of voltage transformer
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