Patents
Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105)
01/2013
01/16/2013CN102879757A Calibration data correction method for test cable in thermal vacuum test
01/16/2013CN102879756A Measurement control system for mutation pressure relay detection device
01/16/2013CN102879755A Testing instrument for acting performance of insulation monitoring device
01/16/2013CN102879676A Relay protection tester based on embedded system, and checking method for relay protection tester
01/16/2013CN102879669A Failure current simulation device and working method thereof
01/16/2013CN102314729B Quick electricity card meter electricity-selling fault location method
01/10/2013WO2013004042A1 Method and apparatus for calibrating voltage transformer serial addition
01/09/2013CN202661622U Automatic calibration instrument for switching fault during meter calibration by user
01/09/2013CN202661621U Comprehensive inspection instrument for acquisition equipment and electric energy meter
01/09/2013CN202661620U Verification system for electronic-type mutual inductor and for merging unit
01/09/2013CN102866380A Bundling type flexible combined probe
01/09/2013CN102866379A Electric quantity management system
01/09/2013CN102866378A Voltage or current transformer on-line test device and voltage or current transformer on-line test method
01/09/2013CN102866377A Detection and verification system and method of transformer partial discharge and positioning on-line monitoring assembly
01/09/2013CN102866376A Entity gas insulated switchgear (GIS) evaluation test platform of local discharging ultrahigh-frequency detection device
01/09/2013CN102866375A System and method for calibrating receiving performance of partial-discharge ultrahigh frequency detection device
01/09/2013CN102866374A Magnetic sensor testing method on basis of probe and system thereof
01/09/2013CN101923151B Locating and wiring system for pipeline electric energy meters
01/09/2013CN101907693B Method for quantitatively calibrating and eliminating crosstalk of SQUID (Superconducting Quantum Interference Device) planar three-shaft magnetometer
01/08/2013US8350577 Method and apparatus for calibration of pulse-width based measurement
01/08/2013US8350576 Switching system for multi-channel testing
01/03/2013WO2013003281A1 Reducing power consumption or error of digital compass
01/03/2013WO2013000621A1 Method and system for calibrating a shunt resistor
01/03/2013US20130006559 Method for reducing non-linearity during measurement of a physical parameter and electronic circuit for implementing the same
01/03/2013US20130002275 System and method for measuring near field information of device under test
01/03/2013US20130002265 Methods and Devices for Determining Sensing Device Usability
01/03/2013DE102011078334A1 Verfahren und System zum Kalibrieren eines Shunt-Widerstands Method and system for calibrating a shunt resistor
01/02/2013CN202650245U Resident low-voltage centralized meter-reading terminal detecting device completely simulating spots
01/02/2013CN202649459U Temporary load device for electric energy metering device field calibration
01/02/2013CN202649458U Dual voltage display temporary load device
01/02/2013CN202649457U Temporary load device capable of adjusting loading load
01/02/2013CN202649456U Electric energy meter vibration monitoring system
01/02/2013CN202649455U Embedded accuracy tester for current transformer
01/02/2013CN202649454U Mutual inductor coil testing device
01/02/2013CN202649453U Primary line used for detecting current transformers
01/02/2013CN202649452U Electric energy meter verification device
01/02/2013CN202649451U Portable current transformer polarity calibration instrument
01/02/2013CN202649450U Online calibration system for electronic voltage transformer
01/02/2013CN202649449U Inspection device and inspection system for relay protection device checking instrument
01/02/2013CN202649448U Large user information collection terminal detection apparatus completely simulating scene
01/02/2013CN202649447U Adapter for checking meter
01/02/2013CN202649318U Multifunctional electric power meter with voltage phase sequence detection function
01/02/2013CN202649272U Electric energy meter possessing seal and certification integration structure
01/02/2013CN102859372A Method and arrangement for determining impedance values
01/02/2013CN102854488A Integral detection method of intelligent substation electric energy metering device
01/02/2013CN102854487A Parallel communication calibrating device of three-phase intelligent electric energy meter
01/02/2013CN102854486A On-site initiative error-verification system for voltage transformer and method thereof
01/02/2013CN102854485A Automated adjustment system for comprehensive multi-parameter electrical measuring instrument and adjustment method
01/02/2013CN102854484A Signal sampling accuracy detecting system of combining unit of intelligent substation
01/02/2013CN102854483A Calibration method for photovoltaic module testers
01/02/2013CN102854362A Method of providing calibrating reference voltage and index synchronization sequence for cell voltage measurement system
01/02/2013CN102854361A Frame sequence for cell voltage measurement system with low probability of natural occurrence
01/02/2013CN102207522B Resistance capacitance (RC) constant measuring method based on frequency measurement
01/02/2013CN102121978B Electrical energy meter detecting connection-inserting device and electrical energy meter detecting system
01/02/2013CN101865987B Capacitance sensor calibration system for measuring very fast transient overvoltage (VFTO)
12/2012
12/27/2012WO2012174693A1 Electric energy meter on-line detection method
12/27/2012US20120330593 Integrated cross-tester analysis and real-time adaptive test
12/27/2012US20120330133 Nonsurgical determination of organ transplant condition
12/27/2012US20120326711 Toroidal conductivity probe with integrated circuitry
12/26/2012CN202631727U Onsite detector of electric energy metering device
12/26/2012CN202631726U Tool for testing three-phase intelligent ammeter under alternating-current voltage and pulse voltage
12/26/2012CN202631725U Equipment for testing alternating-current voltage and pulse voltage of single-phase intelligent electric meter
12/26/2012CN202631724U Quick short-circuiting device for meter connecting rack of electric energy meter
12/26/2012CN202631723U Secondary coil holder for filed error test of voltage transformer
12/26/2012CN202631722U Intelligent current transformer with automatic, on-line, high-precision monitoring
12/26/2012CN202631721U Novel intelligent current transformer capable of carrying out on-line precision monitoring and identity identification
12/26/2012CN202631720U Small signal calibrator
12/26/2012CN102841332A Automatic centering device
12/26/2012CN102841331A Single-phase electric energy meter crimping device
12/26/2012CN102841330A Calibrating method used for calibrating analytical instrument
12/26/2012CN102841261A Method of measuring scattering parameters of device under test
12/26/2012CN102841227A High precision large alternating current output device
12/26/2012CN102156273B Electric energy meter verification circuit for error test and direct current and even harmonic test
12/26/2012CN102129057B Method and device for detecting spectrum analysis length in power quality analyzer
12/26/2012CN102109589B Embedded check meter for electronic mutual inductor
12/26/2012CN101872007B Calibration method of three-phase voltage transformer based on voltage transformer load error curve extrapolation
12/26/2012CN101776740B Electric energy metering automation simulation laboratory
12/26/2012CN101718856B Calibration system of digital quantity input type electric energy meter
12/25/2012US8340791 Process device with sampling skew
12/25/2012US8339123 Portable electronic device with electronic compass and method for calibrating compass
12/20/2012US20120319675 Calibration of non-contact voltage sensors
12/20/2012US20120319674 Calibration of non-contact current sensors
12/19/2012CN202614931U Elastic electric energy meter clamping mechanism used for electric energy meter automation detection device
12/19/2012CN202614930U Inductive control system for clamping mechanism of automatic electric meter calibration device
12/19/2012CN202614929U Flexible electric energy meter clamping mechanism used for electric energy meter automation detection device
12/19/2012CN202614928U Electric energy meter clamping mechanism used for electric energy meter automation detection device
12/19/2012CN202614927U Clamping mechanism for electric energy meter container
12/19/2012CN202614926U Automatic wiring unit of electric energy meter verifying system
12/19/2012CN202614925U Automatic wiring unit having aided positioning function
12/19/2012CN202614924U Automatic wiring unit capable of proofing electric energy meter from coming off
12/19/2012CN202614923U Automatic freewheeling system for power grid intelligent electric energy meter calibrating device
12/19/2012CN202614922U Safety control system of transformer detection laboratory
12/19/2012CN202614921U Electric meter calibration connecting console
12/19/2012CN102830385A Converting device of current mutual inductor and control method of converting device
12/19/2012CN102830384A Interference source trigger system for high-voltage measurement laboratory
12/19/2012CN102830383A Atmospheric electric field calibration system with high precision and wide range
12/19/2012CN102830382A Cylindrical capacitance type simulation electric field generator
12/19/2012CN102830255A Smart electricity meter with function of monitoring and protecting power failure
12/19/2012CN101893696B Detection device of electric energy meter
12/19/2012CN101806879B Adjustable energy meter terminal crimping device
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