| Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105) |
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| 10/09/2013 | CN203232149U Automated detection system tray compatible with three-phase electric energy meter and an III-type collection terminal of a dedicated transformer |
| 10/09/2013 | CN203232148U Lifting-up plate for automatic checkout device of electric energy meter |
| 10/09/2013 | CN203232147U Voltage phase calibrating device for transformer partial discharge tests |
| 10/09/2013 | CN203232146U Transformer partial discharge test square wave calibration special wire connector |
| 10/09/2013 | CN203232108U Multifunctional instrument and meter testing bench |
| 10/09/2013 | CN103344938A Test clamp meter with large check range |
| 10/09/2013 | CN103344937A Device and method for detecting power consumption of intelligent watt-hour meter |
| 10/09/2013 | CN103344936A Method for fault simulation test of capacitor voltage transformer |
| 10/09/2013 | CN103344935A Full-automatic low-voltage current transformer testing wiring apparatus |
| 10/09/2013 | CN103344934A Method and system for detecting and verifying partial discharge of power transformer through ultrasonic sensors |
| 10/09/2013 | CN103344933A Gear verifying device of universal meter |
| 10/09/2013 | CN103344932A Standard testing sample |
| 10/09/2013 | CN103344931A Device for testing microcomputer-type relay protection experiment instrument |
| 10/09/2013 | CN103344930A FSK digital demodulation error parameter metering method and system |
| 10/09/2013 | CN103344929A Ground electric wave signal testing device used for switch cabinet partial discharge testing |
| 10/09/2013 | CN103344895A Automatic verification system of low-voltage current transformer |
| 10/09/2013 | CN102944863B Automatic verification system and method for intelligent electric energy meters |
| 10/09/2013 | CN102944860B Method and device for comparing running errors of optical current transformer and electromagnetic current transformer in real time |
| 10/08/2013 | US8552742 Calibration method for radio frequency scattering parameter measurements |
| 10/08/2013 | US8552739 Electronic device and method for correcting time-domain reflectometers |
| 10/03/2013 | WO2013143929A1 Method for checking an exciting-current measurement of a synchronous machine in generator mode |
| 10/03/2013 | WO2013143681A1 Vectorial network analyser |
| 10/03/2013 | WO2013143650A1 Time frame measuring method with calibration in the frequency range |
| 10/03/2013 | US20130260485 Edge triggered calibration |
| 10/03/2013 | US20130257415 Circuitry for and a method of compensating drift in resistance in eddy current probes |
| 10/03/2013 | US20130255352 Method for manufacturing sensor element for use in gas sensor, inspecting electrical characteristics of sensor element, and pre-treating sensor element |
| 10/02/2013 | EP2645299A1 Reader for exchanging data with a mobile data storage device |
| 10/02/2013 | CN203224617U Single-phase electric energy meter calibrating device provided with test wire crimping terminal |
| 10/02/2013 | CN203224616U Electric meter fault tour-inspection system |
| 10/02/2013 | CN203224615U High efficient simulation device providing partial discharge signals under different faults of high voltage switch cabinet |
| 10/02/2013 | CN203224614U Intelligent calibration apparatus for megohm box or high voltage gauge |
| 10/02/2013 | CN203224613U Calibration device for GIS partial discharge ultrasonic detection device |
| 10/02/2013 | CN203224537U Linear numeral control pulse signal source for calibration of partial discharging UHF detection system |
| 10/02/2013 | CN103336265A Metering error quantitative analysis method for electric energy meter under harmonic wave condition |
| 10/02/2013 | CN103336264A Digital electric energy meter quantity value tracing system based on analog quantity detection and digital electric energy meter quantity value tracing method based analog quantity detection |
| 10/02/2013 | CN103336263A 500kV voltage transformer power frequency voltage proportion standard detection method |
| 10/02/2013 | CN103336262A Online live calibration device for mutual inductor |
| 10/02/2013 | CN103336261A High-voltage live access apparatus for current transformer |
| 10/02/2013 | CN103336260A System for checking voltage transformer in GIS (gas insulated switchgear) |
| 10/02/2013 | CN103336259A Detecting system and method for partial discharge detecting sensor of GIS (gas insulated switchgear) |
| 10/02/2013 | CN103336258A Portable meter verification rack |
| 10/02/2013 | CN103336257A WAT testing system and method |
| 10/02/2013 | CN103336256A WAT probe card intelligent processing system and method |
| 10/02/2013 | CN103336255A Calibration method for high-precision failure indicator |
| 10/02/2013 | CN103336254A Simple and convenient vector network analyzer calibration apparatus |
| 10/02/2013 | CN103336253A Optical digital relay protection tester detection apparatus |
| 10/02/2013 | CN102540128B Method for automatically calibrating error of combined three-phase current transformer |
| 10/02/2013 | CN102508196B On-site color screen calibrator for single-phase electricity meter |
| 10/02/2013 | CN102096057B Calibration method and device of capacitance measurement circuit |
| 10/02/2013 | CN101833077B Wireless battery sampling parameter calibration method and system |
| 10/01/2013 | US8548764 Method and system for increasing optical instrument calibration and prediction accuracy within and across different optical instrument platforms |
| 09/26/2013 | US20130251227 Methods and apparatus for accurate characterization of signal coil receiver sensitivity in magnetic resonance imaging (mri) |
| 09/26/2013 | US20130249566 Kelvin Sense Probe Calibration |
| 09/25/2013 | CN203219186U High stability frequency conversion power supply specially used for power maintenance test equipment metering verification |
| 09/25/2013 | CN203217072U Multi-specification meter supporting frame |
| 09/25/2013 | CN203217071U Current transformer experiment wiring device |
| 09/25/2013 | CN203217070U An arrester resistive current source simulation system |
| 09/25/2013 | CN203217050U Final circular test (FCT) multi-station test device |
| 09/25/2013 | CN203217049U Final circular test (FCT) multi-station test machine |
| 09/25/2013 | CN103323809A Electric energy meter test equipment |
| 09/25/2013 | CN103323808A Simple faulted electric energy meter test method and device |
| 09/25/2013 | CN103323807A Assessment check and magnitude calibration method for ultrahigh-frequency partial-discharging tester |
| 09/25/2013 | CN103323806A Small wireless tool system of load monitor |
| 09/25/2013 | CN102435971B Device for calibrating measurement accuracy of near-carrier frequency phase noise |
| 09/25/2013 | CN102305921B Secondary line pressing mechanism used for preventive tests |
| 09/25/2013 | CN102305893B Method and device for checking power-factor angle of high voltage line of intelligent substation on site |
| 09/25/2013 | CN102298133B Automatic wire connecting device for primary winding of bus type transformer |
| 09/25/2013 | CN102096058B Method and device for verifying high-accuracy direct-current comparator |
| 09/24/2013 | US8542127 Apparatus for the non-contact metallic constructions assessment |
| 09/19/2013 | US20130241529 Calibration of non-contact current sensors |
| 09/18/2013 | EP2638601A1 Test connection for a current converter |
| 09/18/2013 | EP2638406A1 Current measurement for an electric heater |
| 09/18/2013 | CN203204145U Tray supporting three-phase electric energy meter and electricity-utilization information collecting terminal in compatible manner |
| 09/18/2013 | CN203204144U On-site test device with virtual current source |
| 09/18/2013 | CN203204143U Electroscope test voltage generator |
| 09/18/2013 | CN203204142U Current sensor trimming tool |
| 09/18/2013 | CN203204141U Verifying device of oxide arrester insulation online monitoring device |
| 09/18/2013 | CN203204066U Ammeter used for hollow-core mutual inductor |
| 09/18/2013 | CN103311984A Alternating current charging post for electric automobile |
| 09/18/2013 | CN103308880A Rectification method for multi-channel analog quantity current input modules produced in large volume |
| 09/18/2013 | CN103308879A Mutual inductor field wireless calibration instrument for 750kV substation |
| 09/18/2013 | CN103308878A On-site detection device for resistor divider in high-voltage direct current power transmission and transformation system |
| 09/18/2013 | CN103308877A Segregated type dipole pair array-based method for estimating multi-parameter |
| 09/18/2013 | CN103308876A Inspection method for performance of partial discharge ultrahigh frequency detection system of gas insulated substation |
| 09/18/2013 | CN103308875A High-voltage switch dynamic characteristic tester standard device and detection method thereof |
| 09/18/2013 | CN103308861A Semiconductor circuit, battery monitoring system, and diagnosis program and method |
| 09/18/2013 | CN102162841B Method and system for detecting electric energy meter |
| 09/18/2013 | CN102129062B Electric energy small-signal measuring and calibrating method and device |
| 09/18/2013 | CN101576609B Verifying device for relay protection experimental instrument |
| 09/17/2013 | US8536878 Automated sensor specific calibration through sensor parameter download |
| 09/12/2013 | US20130234743 Method for testing comparator and device therefor |
| 09/11/2013 | EP2637039A2 Frequency field scanning |
| 09/11/2013 | CN203191540U Pairing adjusting device for negative control terminal and ammeter |
| 09/11/2013 | CN203191539U Ammeter power-on apparatus |
| 09/11/2013 | CN203191538U Numerical control resistance box of binary resistor |
| 09/11/2013 | CN203191537U Intelligentized integration debug apparatus for on-line monitoring system of transformer station capacitive equipment |
| 09/11/2013 | CN203191536U Voltage monitor comparison apparatus |
| 09/11/2013 | CN103299203A Process and system for calibrating a first loop feature value estimation method using a first locally measurable loop characteristic and a first set of parameters |
| 09/11/2013 | CN103293510A Device and method for quickly measuring errors of electric energy meter |
| 09/11/2013 | CN103293509A Calibrating method of electric energy meter system parameters |