| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 01/20/2011 | WO2011006757A1 Apparatus and method for measuring and/or generating electrical variables |
| 01/20/2011 | US20110012589 Clamp-on multimeters including a rogowski coil for measuring alternating current in a conductor |
| 01/20/2011 | US20110012587 Clamp-on multimeters including a rogowski coil for measuring alternating current in a conductor |
| 01/20/2011 | DE202010015761U1 Einhand-Spannungstesteinrichtung Single Handle voltage test equipment |
| 01/20/2011 | DE102009033772A1 Messvorrichtung sowie Verkaufsset nebst Handgerät zur Bestimmung der elektrischen Spannung eines strömenden Fluids Measuring device as well as sales set together with hand-held device for determining the electrical voltage of a flowing fluid |
| 01/20/2011 | DE102009033126A1 Stromwandler für einen elektronischen Elektrizitätszähler Current transformers for electronic electricity meters |
| 01/19/2011 | EP2275827A2 Clamp-on multimeters including a rogowski coil for measuring alternating current in a conductor |
| 01/19/2011 | EP2275826A2 Electricity converter for an electronic electricity meter |
| 01/19/2011 | EP2274632A1 Structure of a magnetic-field gradient sensor and process for fabricating it in integrated technology |
| 01/19/2011 | EP2274569A1 High voltage measurement device using poled fibers |
| 01/19/2011 | CN201717117U 10 kV electronic electromagnetic current transformer |
| 01/19/2011 | CN201717116U Voltage transformer with fuse |
| 01/19/2011 | CN201716356U Optical fiber current transformer |
| 01/19/2011 | CN201716355U Electronic current and voltage transformer for 126kVGIS |
| 01/19/2011 | CN201716354U Universal meter |
| 01/19/2011 | CN201716353U Capacitive voltage divider for electronic voltage transformer |
| 01/19/2011 | CN101952732A Current sensor |
| 01/19/2011 | CN101952686A Sensing coil and sensing unit for sagnac optical fibre current sensor |
| 01/19/2011 | CN101950660A Active photoelectric current transformer power-supplied by ultrasonic wave |
| 01/19/2011 | CN101950659A Active photoelectric current transformer using pneumatic and inductive hybrid energy supply |
| 01/19/2011 | CN101949977A Railway frequency shift signal anti-interference device and method based on blind source separation |
| 01/19/2011 | CN101949969A Sensing head of optical current transformer and sensing method |
| 01/19/2011 | CN101949964A Space capacitive voltage divider and application thereof on high voltage measuring device |
| 01/13/2011 | WO2011004671A1 Inverter device relay-connecting member |
| 01/13/2011 | WO2010108089A3 Display device for measurement tool |
| 01/13/2011 | US20110010116 Induction motor parameter identification |
| 01/13/2011 | US20110006755 High sensitivity differential current transformer for insulation health monitoring |
| 01/12/2011 | EP2271948A1 Phasor estimation during current transformer saturation |
| 01/12/2011 | EP2171483B1 Improved current sensor |
| 01/12/2011 | CN201707415U Compatible type three-phase electrical parameter signal measuring processor |
| 01/12/2011 | CN201707382U Optical power distribution transformer neutral current detector |
| 01/12/2011 | CN201707379U Automatic detection recorder for submerged arc furnace load |
| 01/12/2011 | CN201707378U High-accuracy linear isolating circuit based on common optical coupler |
| 01/12/2011 | CN201707377U Hand-held lcr tester |
| 01/12/2011 | CN201707376U Signal converter of transmitter |
| 01/12/2011 | CN201707375U Sampler rotating mechanism for electric energy detection device |
| 01/12/2011 | CN1982898B System for gathering thunderbolt information |
| 01/12/2011 | CN101946184A Gas-insulated switchgear device with optical current sensor |
| 01/12/2011 | CN101609108B Method for measuring voltage or current signal and sensor for realizing method |
| 01/12/2011 | CN101364475B Closed-loop control apparatus enhancing dynamic performance of optical fiber current mutual inductor |
| 01/11/2011 | US7869707 Measuring system comprising an intelligent sensor head and having a reduced power consumption for medium-voltage or high-voltage systems or in mining, and method therefor |
| 01/06/2011 | WO2011002735A1 Methods and apparatuses for monitoring energy consumption and related operations |
| 01/06/2011 | WO2011000101A1 Channel, system and method for monitoring voltages |
| 01/05/2011 | DE102009031408A1 Elektronisches Bauelement und entsprechendes Herstellungsverfahren The electronic component and corresponding production method |
| 01/05/2011 | CN201698888U 66kV outdoor ring-sealed composite current transformer |
| 01/05/2011 | CN201698886U Three-phase bus type metering current transformer at transformer area |
| 01/05/2011 | CN201698885U 66kV outdoor ring seal composite electromagnetic type capacitance voltage transformer |
| 01/05/2011 | CN201698884U Shielded isolation voltage mutual inductor |
| 01/05/2011 | CN201697970U Bridge zero regulation circuit |
| 01/05/2011 | CN201697961U System for measuring transient over-voltage of high-voltage power grid by adopting distributed capacitance method |
| 01/05/2011 | CN201697960U Lightning current sensor with iron core |
| 01/05/2011 | CN201697955U Isolated AC sampler |
| 01/05/2011 | CN101937764A Active photoelectric current transformermutual inductor by mixed power supply of ultrasound and induction |
| 01/05/2011 | CN101937066A Self-calibrating method of internal reference resistors of multi-range digital electronic measuring instrument |
| 01/05/2011 | CN101937019A Graphic actuation of test and measurement triggers |
| 01/05/2011 | CN101937012A Trinomial all-fiber current transformer |
| 01/05/2011 | CN101934745A Position sensor for electrified railway vehicles |
| 01/05/2011 | CN101576579B Coaxial-symmetrical discrete capacitive voltage divider used for nanosecond high voltage pulse measurement |
| 01/05/2011 | CN101286415B A bidirectional sample and reset circuit for a current mutual inductor |
| 01/04/2011 | US7863886 Method for determining the resonant frequency(s) of an energized power line carrier line (wave) trap |
| 12/30/2010 | US20100328105 Method and apparatus for energy self sufficient automobile detection and reidentification |
| 12/30/2010 | US20100327852 Test apparatus |
| 12/30/2010 | US20100327850 Methods and apparatus for acquiring measurements and performing an auto-zero process using a multi-range measurement apparatus |
| 12/29/2010 | WO2010149331A1 Device for measuring electrical current |
| 12/29/2010 | EP2265962A1 Magnetic field sensor measuring a direction of a magnetic field in a plane and current sensor |
| 12/29/2010 | EP2265961A2 Lightning detection |
| 12/29/2010 | EP2265381A1 Generator for air-powered electrostatically aided coating dispensing device |
| 12/29/2010 | EP1453173B1 Overload current protection apparatus |
| 12/29/2010 | CN201690425U Attenuator system |
| 12/29/2010 | CN201689779U Electronic current transformer |
| 12/29/2010 | CN201689776U Shield isolation voltage transformer below 10 kV |
| 12/29/2010 | CN201689775U Manganin mutual inductor preventing alternating magnetic field |
| 12/29/2010 | CN201689123U Direct current analog quantity acquisition isolation converting circuit |
| 12/29/2010 | CN101932191A Measuring equipment and amplifying circuit, impedance component and multilayer printed circuit board thereof |
| 12/29/2010 | CN101932190A Measuring equipment and amplifying circuit, impedance component and multi-layer printed circuit board thereof |
| 12/29/2010 | CN101932189A Measuring equipment and amplifying circuit, impedance component and multilayer printed circuit board thereof |
| 12/29/2010 | CN101930838A Electronic type voltage transformer |
| 12/29/2010 | CN101930019A Optical fiber current sensor and manufacturing method thereof |
| 12/29/2010 | CN101930018A Device and method for detecting inverter current of uninterruptable power supply |
| 12/29/2010 | CN101587201B Full optical fibre quarter-wave plate and preparation method thereof |
| 12/29/2010 | CN101477145B AC great current sensor |
| 12/28/2010 | US7860702 Assessing distributed energy resources for the energynet |
| 12/28/2010 | US7859666 Electric field sensor |
| 12/23/2010 | US20100321003 Meter-mounted extender |
| 12/23/2010 | DE10392748B4 Strommessverfahren und Strommessvorrichtung Current measurement methods and current measuring device |
| 12/22/2010 | EP2264471A2 Integrated current sensor |
| 12/22/2010 | EP1849017B1 Method for determining the load of an electric conductor |
| 12/22/2010 | CN201681712U Integrated magnetic-control range-switchover current transformer |
| 12/22/2010 | CN201681118U Output current detection device of high voltage electric field and electric potential therapeutic apparatus |
| 12/22/2010 | CN201681109U Universal meter with signal generator function |
| 12/22/2010 | CN201681108U Ohm zero setting device for pointer-type multimeter |
| 12/22/2010 | CN201681107U Measuring device capable of automatically controlling measuring range |
| 12/22/2010 | CN201681106U Energy-saving type manganese-copper transformer |
| 12/22/2010 | CN1808149B Advection type membrane surface electric potential tester |
| 12/22/2010 | CN101925825A Electrical current sensor |
| 12/22/2010 | CN101923111A Isolation detection circuit of DC bus voltage |
| 12/16/2010 | WO2010143718A1 Magnetic balance current sensor |
| 12/16/2010 | WO2010143666A1 Magnetic balance current sensor |
| 12/16/2010 | US20100315067 Power Network Sensor Devices and Related Methods |
| 12/15/2010 | EP2262105A2 Voltage standing wave ratio detector for power amplifier |