Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass
Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105)
05/2010
05/12/2010CN201464637U Compression calibration base for calibration and running test of electric energy meter
05/12/2010CN201464636U Detection device for network electric energy meter
05/12/2010CN201464635U Electric energy meter positioning and wiring mechanism
05/12/2010CN201464634U Head-held partial-discharge ultrasonic sensor calibrator
05/12/2010CN201464633U Portable test instrument for high-voltage electroscope
05/12/2010CN201464632U On-line detector for single phase electronic energy meter
05/12/2010CN201464543U Portable high-voltage electroscope
05/12/2010CN201464517U Positioning and wiring mechanism for electric energy meter
05/12/2010CN101706565A Appearance checking method and system
05/12/2010CN101706564A Cable failure flash detector calibrating device
05/12/2010CN101706563A Digital calibration system of partial discharge test equipment
05/12/2010CN101706562A Calibration device of hand-held type local-discharge ultrasonic sensor
05/12/2010CN101706519A Gain correcting device of digital storage oscilloscope
05/06/2010WO2009156982A3 Rf calibration device and method
05/06/2010US20100114518 Encoder signal analysis system for high-resolution position measurement
05/06/2010US20100109650 Apparatus for electronically measuring or distributing electrical energy
05/05/2010CN201449446U Precision measuring device for magnetic sensibility of Hall integrated circuit
05/05/2010CN201449445U three-phase voltage regulator
05/05/2010CN201449438U Dynamic burn-in test unit for Hall integrated circuit
05/05/2010CN201449406U Base frame clamping mechanism of wiring device for electric energy meter
05/05/2010CN201449405U Novel multifunction high-efficiency wiring device of electric energy meter
05/05/2010CN201449404U Novel multifunction high-efficiency wiring mechanism of electric energy meter
05/05/2010CN101702015A Radio frequency electromagnetic field radiation immunity experiment test device and test method for electric energy meter
05/05/2010CN101702014A Test method of intrinsic error of zero level indicating value
05/05/2010CN101702013A Testing device of lightning stroke counter
05/05/2010CN101702012A Apparent charge calibrator for local discharge capacity measurement
05/05/2010CN101702011A Frequency conversion tester of 10-500kV high voltage
04/2010
04/29/2010WO2010047275A2 Semiconductor test system and relay driving test method therefor
04/29/2010WO2010045965A1 A method and a device for compensating gain errors of current sensors in a three-phase inverter
04/29/2010DE102005028881B4 Fehlerstromanalysator zur Erfassung eines Fehlerstroms und Einrichtung mit Fehlerstromerfassungsfunktion Fehlerstromanalysator for detecting a fault current and fault current detection device with function
04/29/2010DE102005013583B4 Verfahren zur Messung der Streuparameter von Mehrtoren mit 2-Tor-Netzwerkanalysatoren und entsprechende Messvorrichtung Method for measuring the scattering parameters of multi-gates with 2-port network analyzers and appropriate measuring device
04/28/2010EP2179296A1 Instrument transformer test equipment and method
04/28/2010CN201444194U Comprehensive detection device for single-phase electric energy meter
04/28/2010CN201444193U Comprehensive error detection device used for digital electric energy measuring device
04/28/2010CN201444192U Checking apparatus for high-voltage switching characteristic tester
04/27/2010US7706998 Delay lock loop delay adjusting method and apparatus
04/27/2010US7705608 Calibrating a light-sensitive chip
04/22/2010WO2010043460A1 Method and device for compensating for the offset of a rotor position sensor of an electrical machine
04/22/2010WO2010043309A1 Measurement arrangement having a calibration substrate and electronic circuit
04/22/2010WO2008116522A9 Calibration adapter
04/22/2010CA2738716A1 Measurement arrangement having a calibration substrate and electronic circuit
04/21/2010EP2177926A1 Device for testing an energy meter type device onboard an electrically driven train
04/20/2010US7701227 High precision voltage source for electrical impedance tomography
04/14/2010CN201438215U Pipelined electric energy meter locating wiring system
04/14/2010CN201438214U Multi-meter parallel testing system for testing kilowatt-hour meters
04/14/2010CN201438213U Electronic current transformer polarity measurement system
04/14/2010CN201438212U Electronic current transformer polarity measurement system
04/14/2010CN201438211U Electronic transformer calibrator
04/14/2010CN201438201U Secondary loop circuit voltage drop synchronous detection device for voltage mutual inductor
04/14/2010CN1963556B Apparatus for integrality checking proportion of cryo-current comparator and the method thereof
04/14/2010CN1945350B Detecting method and device for electric energy metering secondary coop composition error
04/14/2010CN101694518A Direct current energy meter test device, energy error test method and creeping calibration method
04/14/2010CN101694503A Method and system for metering digital demodulating error parameter based on amplitude modulation method or phase modulation method
04/08/2010US20100088057 Method for detection of a physical variable by way of a circuit breaker
04/07/2010CN101692123A Micro-electromechanical microwave loss compensating microwave power detector
04/06/2010US7693674 Low-noise source
04/01/2010WO2009126254A3 Transmitter power monitor
04/01/2010US20100079152 Methods for Measuring Dielectric Properties of Parts
03/2010
03/31/2010CN201434906Y Current transformator on-site check gauge based on low-voltage extrapolation method
03/31/2010CN101685147A Test device and method for simulating field electric energy measurement
03/30/2010US7688064 Probe for assessment of metal distortion
03/30/2010US7688061 Apparatus for electronically measuring electrical energy
03/30/2010US7688060 Electronic revenue meter with automatic service sensing
03/24/2010EP2165412A1 Apparatus for sensorless positioning with signal amplifier
03/24/2010CN201429683Y Surge protector detection device based on temperature sensor
03/24/2010CN201429657Y Novel relaying check meter
03/24/2010CN201429648Y Single-phase electric meter adopting electric carrier wave technology
03/24/2010CN201429647Y Triphase electronic multifunction electric meter
03/24/2010CN201429633Y Three-phase high-current generator for detecting current transformer on electric power line
03/23/2010US7683602 Miniature RF calibrator utilizing multiple power levels
03/17/2010CN201425622Y Electric energy meter unit failure detection device
03/17/2010CN201425621Y Error checking system of high-voltage electric energy metering device
03/17/2010CN201425620Y Testing power source used for checking errors of high-voltage electric energy metering device
03/17/2010CN101673081A Method for testing reliability of clock of power meter
03/17/2010CN101672906A Method for testing safety protection of power meter
03/17/2010CN101672866A Comprehensive detecting and marking system of Faraday magneto-optical effect current mutual inductor
03/16/2010US7680555 Auto tip calibration in an extrusion apparatus
03/16/2010US7679360 Method for initializing increment position sensor
03/11/2010US20100060315 High capacitive load and noise tolerant system and method for controlling the drive strength of output drivers in integrated circuit devices
03/11/2010US20100060295 Voltage detection apparatus
03/11/2010US20100060264 Self-testing sensor
03/11/2010US20100060263 Off-center angle measurement system
03/11/2010DE102007036202B4 Prüf- und Simulationsschaltung für Magnetfeldsensoren Testing and simulation circuit for magnetic field sensors
03/10/2010CN201421499Y High-voltage electric energy metering product calibrating device
03/10/2010CN201421498Y Onsite check meter for clamp type single-phase electric energy meter
03/10/2010CN201421497Y Anti-interference device of field calibrating device of current transformer
03/10/2010CN101666866A Checking device for high-voltage switch property test instrument
03/04/2010WO2010023924A1 Interconnect circuit board, skew measuring method and testing device
03/04/2010US20100050731 Angle measurement system
03/03/2010CN201417304Y Pneumatic press welded meter support
03/03/2010CN201417287Y Wiring device of single electric energy meter
03/03/2010CN101661091A Indoor calibrating apparatus of current transformer
03/03/2010CN101661090A Through-flow tester of neutral point current transformer of transformer
03/03/2010CN101661089A Load checking tool
03/03/2010CA2677499A1 Self contained kilowatt-hour meterintegral to standard load center
02/2010
02/25/2010US20100045370 Testing of transimpedance amplifiers
02/24/2010EP2156202A1 Method and device for the calibration of network analyzers using a comb generator
02/24/2010CN201413391Y Palm style maintenance and test device for low voltage electric power carrier instrument
02/24/2010CN201413390Y Electric power transformer field calibration vehicle
02/24/2010CN201413389Y Charged checking instrument of current transformer
1 ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ... 82