Patents
Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264)
09/2012
09/05/2012CN202421469U Device for detecting capacity of direct-current storage battery for transformer substations
09/05/2012CN202421468U Bluetooth communication system-based battery testing equipment
09/05/2012CN202421467U Battery voltage and temperature data acquisition system
09/05/2012CN202421466U Self-discharge performance testing equipment for alkaline storage battery
09/05/2012CN202421465U Battery capacity measuring instrument
09/05/2012CN202421464U Energy-saving test device for cycle life of power battery
09/05/2012CN202421463U Circuit for measuring voltages of 13 serially connected battery packs
09/05/2012CN202421462U Detection device of generator
09/05/2012CN202421461U Load performance test device for generator set
09/05/2012CN202421460U Motor locked-rotor detection device of vehicle
09/05/2012CN202421459U DC (direct current) control system for tests of electric automobile motor
09/05/2012CN202421458U Generating capacity parameter sampling device for generator
09/05/2012CN202421457U Motor over-current detection circuit
09/05/2012CN202421456U Three-parameter monitor for motor wire rod
09/05/2012CN202421455U Inspection bench of circuit breaker
09/05/2012CN202421454U Circuit breaker trip detection system
09/05/2012CN202421453U Pneumatic jig for testing electrical property of keyboard
09/05/2012CN202421452U Switching surge tester of LED (light emitting diode) lamp
09/05/2012CN202421451U Switching performance test contact device for middle-placed switch cabinet
09/05/2012CN202421450U Equipment for testing service life of key
09/05/2012CN202421449U Automatic testing mechanism of small-size low-voltage electric appliance testing workbench
09/05/2012CN202421448U Relay detecting device for nuclear power stations
09/05/2012CN202421447U Signal measurement circuit for circuit breaker
09/05/2012CN202421446U Relay contact action detection circuit
09/05/2012CN202421445U High-voltage switch velocity measurement rod
09/05/2012CN202421444U Optical coupling relay quality detector
09/05/2012CN202421443U Measurement device for primary parameter of track circuit
09/05/2012CN202421442U Modularized open PCBA (Printed Circuit Board Assembly) functional circuit test (FCT) platform
09/05/2012CN202421441U Power amplifier monitoring unit for tactical air navigation (TACAN) earth station
09/05/2012CN202421440U Circuit delay time measurement device
09/05/2012CN202421439U Test device for switch circuit board of automobile windscreen wiper
09/05/2012CN202421438U On-line diagnosis device of relay protective device
09/05/2012CN202421437U Detecting device for isolation of cathode of power substrate and ground line of test equipment
09/05/2012CN202421436U Row LED (Light Emitting Diode) powder supplementation testing device
09/05/2012CN202421435U Rotating disc type light-emitting diode (LED) detection device
09/05/2012CN202421434U Dynamic aging device for 3DK28G and 3CK2E type transistors
09/05/2012CN202421433U Circuit for detecting performance of kenotron
09/05/2012CN202421432U Instrument for detecting quality of high-power metal oxide semiconductor field effect transistor (MOSFET)
09/05/2012CN202421431U Hot-line test window for partial discharge of transformer
09/05/2012CN202421430U Electric breakdown characteristic test device of vacuum electric contact material
09/05/2012CN202421429U UHF (Ultra High Frequency) local-releasing detecting sensor mounted for oil-releasing valve
09/05/2012CN202421428U Hot-line detection equipment for partial discharge of transformer substation
09/05/2012CN202421427U Dipole antenna sensor for GIS (Global Information System) partial discharge detection
09/05/2012CN202421426U External sensor for partial discharge of gas insulated switchgear (GIS)
09/05/2012CN202421425U Alternating current withstand voltage reactance automatic compensator
09/05/2012CN202421424U Partial discharge detection device
09/05/2012CN202421423U Gas insulated switchgear (GIS) partial discharge detection device for shielding insulation basin
09/05/2012CN202421422U Automatic connection device for photovoltaic assembly insulation detection
09/05/2012CN202421421U Insulating-performance online monitoring device of capacitive high-voltage electrical equipment
09/05/2012CN202421420U Ultrahigh frequency and pulse current based GIS (gas insulated switchgear) partial-discharge online monitoring device
09/05/2012CN202421419U Device for detecting partial discharging by ultrahigh frequency band signals
09/05/2012CN202421418U RF (radio frequency) phase device for ultrasonic partial discharge positioning of transformer
09/05/2012CN202421417U Device for accurately positioning partial discharge of transformer based on acoustical-electrical synchronization
09/05/2012CN202421416U Test device for achieving full shielding measurement of transformer partial discharge
09/05/2012CN202421415U High frequency current transformer for partial discharge test
09/05/2012CN202421414U Super and extra high pressure oil-SF6 sleeve testing apparatus
09/05/2012CN202421413U Cable broken point position detection locater
09/05/2012CN202421412U Intelligent wireless monitor for distribution circuit
09/05/2012CN202421411U Crisscross spanning monitoring device for transmission line
09/05/2012CN202421410U Polarity judger for solar grid-connected inverter
09/05/2012CN202421409U Portable polarity tester for mutual inductors
09/05/2012CN202421408U Current transformer polarity test device
09/05/2012CN202421407U Electric wire detection pen
09/05/2012CN202421406U Leakage current monitoring system of intelligent power transmission line insulator
09/05/2012CN202421405U Disconnection detection module applied to flux converter of circuit breaker
09/05/2012CN202421404U On-line monitoring system for transformer
09/05/2012CN202421403U Direct current leakage test device for zinc oxide lightning arrester
09/05/2012CN202421402U Fault detection recording device and fault detection system for locomotive circuit
09/05/2012CN202421401U Automatic power failure identification circuit
09/05/2012CN202421400U Checking tool for connection of multicore flat cables
09/05/2012CN202421399U Earthing alarm device of high-voltage distribution room
09/05/2012CN202421398U Cable tester based on FPGA (field programmable gate array)/ Nios II technology
09/05/2012CN202421397U Keyboard performance test gauge
09/05/2012CN202421396U Apparatus for detecting on-off of electronic circuit
09/05/2012CN202421395U Testing tool for universal serial bus (USB) interface
09/05/2012CN202421394U Relay protection secondary circuit test device
09/05/2012CN202421393U Electric control cable alignment device
09/05/2012CN202421392U Three-phase transmission line fault detection band
09/05/2012CN202421391U Ground and turn-to-turn short circuit testing device for rotor of permanent magnet starter
09/05/2012CN202421390U Structure of half semi-locking overhead circuit fault indicator
09/05/2012CN202421389U Probe cleaning piece
09/05/2012CN202421388U Automatic static test bench
09/05/2012CN202421387U Multifunctional digital power meter
09/05/2012CN202421386U Power test structure for radio frequency power amplifying tube
09/05/2012CN202421385U Portable transformer tester
09/05/2012CN202421384U Arrester on-line monitor
09/05/2012CN202421383U Lightning arrester deterioration monitoring system
09/05/2012CN202421382U Monitoring and alarming device for arrester degradation
09/05/2012CN202421381U Electric shock accident resistant gauge test platform
09/05/2012CN202421380U Centralized control box for transformer sleeve test
09/05/2012CN202421379U Multifunctional low-voltage electric integrated tester
09/05/2012CN202421378U Test system for differential inductance-capacitance (LC) filter
09/05/2012CN202421377U Portable human body electric shock special wave trial jumping device
09/05/2012CN202421376U Cable protective layer protector detecting device
09/05/2012CN202421375U Detection circuit for two-string-element internal-fuse capacitor
09/05/2012CN202421374U Three-in-one slope automatic test machine
09/05/2012CN202421373U Test device for temperature rise of high-voltage direct-current transmission converter valve assembly
09/05/2012CN202421372U Detecting device of capacitance touch screen
09/05/2012CN202421371U Power test experiment device capable of controlling cold end and hot end temperature of thermoelectric module
09/05/2012CN202421370U Aging test circuit for backlight driver board