| Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105) |
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| 03/27/2013 | CN102998646A Quick calibrating device of semiconductor direct current parameter measurement module group |
| 03/27/2013 | CN102998645A Impulse voltage standard wave source for high-voltage impulse voltage quantity value traceability and using method thereof |
| 03/27/2013 | CN102998644A Calibration system for direct current resistance tester |
| 03/27/2013 | CN102998643A Power utilization information acquisition terminal detecting system |
| 03/27/2013 | CN102998561A Device and system for detecting line loss |
| 03/27/2013 | CN102998525A Multifunctional single-phase electric energy measuring circuit and automatic ammeter calibrating method thereof |
| 03/27/2013 | CN102043139B Calibration device of current transformer and method for calibrating current transformer by using same |
| 03/27/2013 | CN102012494B Transformer calibrator and calibration method thereof |
| 03/27/2013 | CN101865988B Test power supply for error check of high-voltage electric energy metering device and implementation method thereof |
| 03/26/2013 | US8405385 Temperature and drift compensation in magnetoresistive sensors |
| 03/20/2013 | CN202815210U Photoelectric head fixator for meter calibration |
| 03/20/2013 | CN202815209U Electric energy meter remote error test system |
| 03/20/2013 | CN202815208U Wireless communication type field calibrator |
| 03/20/2013 | CN202815207U Intelligent electric energy meter appearance automatic detection device |
| 03/20/2013 | CN202815206U Digital electric meter detection device |
| 03/20/2013 | CN202815205U Device for improving calibration efficiency of current transformer |
| 03/20/2013 | CN202815204U A verification system for alternating current instrument inspection devices |
| 03/20/2013 | CN202815203U Self-checking system in electric measuring instrument general calibrating device |
| 03/20/2013 | CN202806508U Calibration vehicle for ultra-high-voltage power transformers |
| 03/20/2013 | CN202801612U Magnetic resonance system |
| 03/20/2013 | CN102981138A Electric-energy-meter-use clock chip full performance test system and method thereof |
| 03/20/2013 | CN102981137A Remote intelligent verifying device and method of voltage monitor based on general packet radio service (GPRS)/global system for mobile communication (GSM) network |
| 03/20/2013 | CN102981136A Method for calibrating dynamic performances of fiber optical current transducer (FOCT) based on voltage modulation |
| 03/20/2013 | CN102981135A Twin port calibration method for nonlinearity vector network analyzer |
| 03/20/2013 | CN102981134A Intelligent display device tester of switch cabinet |
| 03/20/2013 | CN102981133A Method of amending phase position collecting error caused by frequency variation in phased rectifier control |
| 03/20/2013 | CN102981083A Self-calibration electric energy quality monitoring device |
| 03/20/2013 | CN102981056A Self-verification automatic test system, device and method for on-resistance |
| 03/20/2013 | CN101968537B Error magnitude calibration device and transferring method for digital power quality analyzer |
| 03/20/2013 | CN101907696B Electric energy meter production detecting system and method |
| 03/20/2013 | CN101907694B Device and method for testing low-voltage collecting meter reading system |
| 03/20/2013 | CN101256204B Current detecting device and calibration method |
| 03/19/2013 | US8400165 Power calibration system |
| 03/19/2013 | US8400164 Calibration and compensation for errors in position measurement |
| 03/14/2013 | US20130063156 Auto-calibrating proximity sensor for retail display security system |
| 03/14/2013 | US20130063155 Fuel property detection device and method for determining detection of property of fuel |
| 03/14/2013 | US20130063132 Linear position sensor |
| 03/13/2013 | CN202794507U Electric power examination meter convenient for assembly and disassembly |
| 03/13/2013 | CN202794506U Single-phase intelligent ammeter state sampler |
| 03/13/2013 | CN202794505U Intelligent electricity meter detection bracket with phase cutting function |
| 03/13/2013 | CN202794504U Pull-plug type electric energy meter field verifying safe connecting box |
| 03/13/2013 | CN202794503U Mobile track of electric energy meter detection robot |
| 03/13/2013 | CN202794502U IC card clamping mechanism for electric energy meter automation calibrating device |
| 03/13/2013 | CN202794501U Electric energy meter verification system and electric energy meter verification robot thereof |
| 03/13/2013 | CN202794500U Telescopic clamping unit of electric energy meter turnover box |
| 03/13/2013 | CN202794499U Electric energy meter turnover box taking and placing mechanism |
| 03/13/2013 | CN202794498U Batch automatic checking system of electric energy harvester based on calibrator for Watt-hour meter |
| 03/13/2013 | CN202794497U On-site comprehensive detection equipment for electric energy information acquisition terminal |
| 03/13/2013 | CN202794496U Real-time online monitoring instrument for power metering device |
| 03/13/2013 | CN202794495U Passive simulation type standard resistor capable of simulating four-terminal standard resistor |
| 03/13/2013 | CN202794494U Device for four-point probe resistivity tester verification |
| 03/13/2013 | CN202794493U Calibration device of two-dimensional network circuit board for measuring fuel cell electric current density |
| 03/13/2013 | CN202794492U Magnetic resonance echo signal simulator and simulation system |
| 03/13/2013 | CN202794491U Test equipment automatic calibration instrument and calibration system |
| 03/13/2013 | CN202794334U Wide-range direct current standard electric energy meter |
| 03/13/2013 | CN202794255U Cluster flexible combined probe |
| 03/13/2013 | CN202794244U Semi-automatic electrical terminal for detecting three-phase power meter |
| 03/13/2013 | CN202781166U Manipulator for calibrating electric energy meters |
| 03/13/2013 | CN102967846A Fault self-checking method for intelligent ammeter |
| 03/13/2013 | CN102967845A Method and device for testing electric parameters of electric energy measuring module |
| 03/13/2013 | CN102967844A Automatic detection system with formal detection function of intelligent ammeters |
| 03/13/2013 | CN102967843A Once pressing wiring assembly |
| 03/13/2013 | CN102967842A Method for on-line diagnosing gradually-changing fault of electronic current transformers |
| 03/13/2013 | CN102967841A Automatic digital multimeter verification system and method based on meter and source integration and application of system and method |
| 03/13/2013 | CN102967840A Digital multimeter automatic verification system based on virtual instrument technology and control method |
| 03/13/2013 | CN102967839A Detection method and device for online monitoring communication system of transformer substation |
| 03/13/2013 | CN102967838A Method for analyzing measurement uncertainty of nonlinear vector network analyzer based on covariance matrix |
| 03/13/2013 | CN101937067B Method and device for calibrating position of shimming frame |
| 03/13/2013 | CN101923149B Positioning and wiring mechanism of electric energy meter |
| 03/12/2013 | US8397187 Verifying the error bound of numerical computation implemented in computer systems |
| 03/07/2013 | US20130060501 Calibration Method for Radio Frequency Scattering Parameter Measurement Applying Three Calibrators and Measurement Structure Thereof |
| 03/07/2013 | US20130060498 Calibration and compensation method and apparatus for resistive sensor measurement bridge |
| 03/07/2013 | US20130057256 Method for determining an exciter conductor spacing from a magnetic field sensor, method for calibrating the magnetic field sensor as well as calibratable magnetic field sensor and usage of an exciter conductor structure for determining an exciter conductor spacing |
| 03/06/2013 | CN202770988U Electric energy meter creep detection device |
| 03/06/2013 | CN202770987U Electric energy meter detection device |
| 03/06/2013 | CN202770986U Portable field test device of high voltage electric energy meter |
| 03/06/2013 | CN202770985U Device for testing accuracy of tyre resistance measuring instrument |
| 03/06/2013 | CN202770892U Anti-interference power supply for single-phase electronic electric energy meter |
| 03/06/2013 | CN202770867U Electric energy meter test wiring device |
| 03/06/2013 | CN102955146A Device for measuring metering accuracy of intelligent meter in salt spray test box |
| 03/06/2013 | CN102955145A Running state simulation monitoring system for transformer |
| 03/06/2013 | CN102955144A Inspection apparatus and inspection method of magnetic sensor |
| 03/06/2013 | CN102955081A Mobile lab for detecting electrical equipment status |
| 03/06/2013 | CN102955057A Electrical measuring device with celibration device and method for measuring electrical current |
| 03/06/2013 | CN102087311B Method for improving measurement accuracy of power mutual inductor |
| 03/06/2013 | CN101988960B Digital electric meter capable of dynamically compensating and correcting reading |
| 03/06/2013 | CN101950010B Full-automatic measuring device of load tank |
| 02/27/2013 | CN202758067U A pallet equipped with six seats of single-phase electric energy meters |
| 02/27/2013 | CN202758066U State grid three-phase direct type transformer type auxiliary terminal crimping device |
| 02/27/2013 | CN202758065U Single-phase electric energy meter crimping device |
| 02/27/2013 | CN202758064U Automatic centering device |
| 02/27/2013 | CN202758063U Electric energy meter wireless communication module tester |
| 02/27/2013 | CN202758062U Overall metering error detection system of digital transformer station electric energy metering device |
| 02/27/2013 | CN202758061U Calibration device for ultrahigh-voltage electrical equipment |
| 02/27/2013 | CN202758060U Differential pressure signal input lead of voltage transformer calibrator for difference measurement at high-potential terminal |
| 02/27/2013 | CN102945739A Power-frequency single-phase resonant transformer for calibration and boosting of voltage transformer |
| 02/27/2013 | CN102944865A Method and system for automatic calibration of single-phase meter |
| 02/27/2013 | CN102944864A Virtual load device of single-phase electric energy meter |
| 02/27/2013 | CN102944863A Automatic verification system and method for intelligent electric energy meters |
| 02/27/2013 | CN102944862A Portable direct-current large-current debugging device |