Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
09/2010
09/15/2010CN201584055U Remote lossless transmission device for secondary side output signal of voltage transformer
09/15/2010CN201583604U Portable electrical measurement device with diode testing functions
09/15/2010CN201583592U Electrical energy measuring device for wind power current transformer
09/15/2010CN201583577U Universal meter capable of testing twisted pairs
09/15/2010CN201583576U Multimeter
09/15/2010CN201583575U Multimeter
09/15/2010CN201583574U Driving and outputting circuit of amperemeter attached to motor protector
09/15/2010CN201583568U Phase reversal device of test system of integrated circuit
09/15/2010CN101833037A Device and method for detecting input voltage phase of power unit of high voltage frequency converter
09/15/2010CN101833024A Sensing head of fiber Bragg grating F-P current sensor and making method thereof
09/15/2010CN101833023A Sensing head of temperature self-compensating fiber grating current sensor and manufacturing method thereof
09/15/2010CN101833022A Sensing head of fiber Bragg grating current sensor and making method thereof
09/10/2010WO2010082115A4 Method for measuring an electrical current
09/08/2010EP2226816A1 Current transformer and method for producing same for measurement and protection in high and medium voltage networks
09/08/2010CN201576553U 10KV voltage transformer
09/08/2010CN201576552U 35KV voltage transformer
09/08/2010CN201576047U Statistical voltage monitoring instrument
09/08/2010CN201576039U Misoperation proof measuring pen apparatus of measurement unit
09/08/2010CN201576038U Wristband type universal watch
09/08/2010CN201576037U Avometer with filtering measurement mode
09/08/2010CN201576036U Coaxial passive resistor-capacitor integrator
09/08/2010CN101825657A Medium-high voltage single-core crosslinked cable induction voltage and circular-current online detection method and device
09/08/2010CN101825655A Electric furnace load automatic detection recorder
09/08/2010CN101825652A Automatic range selector of measuring equipment
09/08/2010CN101447328B Open-close type current transformer
09/08/2010CN101350247B Outdoor dry-type voltage transformer for electric locomotive
09/08/2010CN101183606B Electronic type current mutual inductor
09/01/2010EP2224253A1 Sensing device
09/01/2010EP2224252A1 Capacitive measuring devise for a high voltage element
09/01/2010EP2224251A1 Device for communicating and measuring voltage and current on board of a rail vehicle with electric drive
09/01/2010EP2223130A1 Method for measuring an alternating voltage and corresponding measuring circuit
09/01/2010EP2223129A1 Gas-insulated switchgear device with optical current sensor
09/01/2010EP2223128A1 Arrangement for the potential-free measurement of currents
09/01/2010CN201570365U Combined mutual inductor
09/01/2010CN201570364U Electronic type current transformer
09/01/2010CN201569698U Zero-crossing signal detection device for air conditioner switching power supply
09/01/2010CN201569694U Voltage measurement device
09/01/2010CN101819868A Extra-high-voltage equal potential shielded capacitor voltage transformer
09/01/2010CN101819867A Electronic mutual inductor
09/01/2010CN101819223A Voltage and current sampling circuit and voltage and current sampling method in three-phase four-wire circuit
08/2010
08/31/2010US7786540 Sensor platform using a non-horizontally oriented nanotube element
08/26/2010DE202010009370U1 Zusammenmontierbare Meßstäbe für Stromzähler Together Leaded dipsticks for electricity meters
08/26/2010DE202010009369U1 Multimeter mit einem flexiblen Stromsensor Multimeter with a flexible current sensor
08/25/2010EP2221597A1 System for diagnosing defects in electric motors
08/25/2010EP2220567A1 An isolated current to voltage, voltage to voltage converter
08/25/2010CN201562580U Current transformer with functions of resisting moisture and electricity stealing
08/25/2010CN201562579U Butt joint-type transient transformer
08/25/2010CN201562008U Milliampere meter
08/25/2010CN201562003U Measuring transducer for alternating voltage of airfield lights
08/25/2010CN201562001U Direct current bus voltage sampler of intermediate-voltage transducer
08/25/2010CN201561990U Measuring head
08/25/2010CN101814223A Ground disconnecting alarm
08/25/2010CN101813720A Electronic combined mutual inductor
08/25/2010CN101271128B Digital display signal measurement amplifying circuit
08/25/2010CN101206951B Energy-saving current transformer
08/24/2010US7783446 Measuring system comprising variably sensitive outputs
08/24/2010US7780918 detectors comprising patterned carbon nanotubes having electrical properties on support structures so that it may be exposed to fluids and control circuits; analysis apparatus
08/19/2010WO2010093758A1 Systems and methods for detecting electrical line faults
08/19/2010US20100207603 Ammeter with improved current sensing
08/19/2010DE102009034062A1 Teilentladungs-Erfassungssensor und ihn verwendende Teilentladungs-Erfassungsvorrichtung Partial discharge detection sensor and it used partial discharge detection device
08/18/2010EP2219040A1 Combined toroid/shunt measuring device
08/18/2010CN201556950U Device for balancing charging and detecting repair of battery
08/18/2010CN201556524U Electronic type current transformer with PCB Rockwell coil
08/18/2010CN201556523U High voltage dry type current transformer with protecting gap
08/18/2010CN201555941U 10 to 500kV high-voltage frequency conversion tester
08/18/2010CN201555922U Device on detecting reverse connection of power supply and electrification of ground wire
08/18/2010CN201555895U Single-phase digital current/voltage measuring instrument
08/18/2010CN201555882U Multi-range voltage measuring device
08/18/2010CN201555879U Parameter measuring instrument of induction circuit
08/18/2010CN101806822A Structure of high-voltage photoelectric conversion current sensor
08/18/2010CN101806821A Current sensor
08/12/2010WO2010088908A1 Current measuring shunt
08/12/2010DE10240489B4 Pinzette mit Meßeinrichtung Tweezers with measuring device
08/12/2010DE102010000683A1 System, das eine Schaltung umfasst, die Kalibrierungswerte bestimmt A system comprising a circuit determines the calibration values
08/11/2010EP2215485A1 Extrapolation of back emf signals in brushless dc motors
08/11/2010CN201549366U Direct current component preventing current transformer
08/11/2010CN201549364U Current transformer connecting device
08/11/2010CN201549361U Metal shielded extension-type current transformer at outlet of generator
08/11/2010CN201549360U Electronic high-voltage AC transformer
08/11/2010CN201549359U Fully-closed low voltage dry-type voltage transformer
08/11/2010CN201549358U High-capacity voltage transformer capable of reducing local electric discharge
08/11/2010CN201549355U Embedded type micro transformer
08/11/2010CN201549354U Novel minitype mutual inductor
08/11/2010CN201548604U Comprehensive testing multi-meter
08/11/2010CN201548244U Voice gear reporting multimeter
08/11/2010CN101802623A Device for measuring the intensity of an electric current and electric appliance including such device
08/11/2010CN101339207B Method for enhancing optical electric current sensor stability
08/10/2010US7772828 Automatic test equipment capable of high speed test
08/05/2010WO2010088041A2 Capacitance-to-voltage interface circuit, and related operating methods
08/05/2010WO2010087080A1 Current detection device
08/05/2010US20100194381 Current detection apparatus
08/05/2010US20100194379 Optical fiber electric current measurement apparatus and electric current measurement method
08/05/2010DE102010001335A1 Electronic control circuit for brake device of motor vehicle, has supply error detection circuit for providing error signal that is derived from signal received from magnetic coil, where error signal indicates error in earth supply line
08/04/2010CN201540814U Transient current transformer
08/04/2010CN201540813U Open-close type current transformer
08/04/2010CN201540812U Multi-winding current transformer special for inflatable switch cabinet
08/04/2010CN201540326U Alternating current extra-high voltage shield voltage measuring device
08/04/2010CN101796421A Improved current sensor
08/04/2010CN101793916A All-fiber current monitoring device based on Faraday effect
08/04/2010CN101793915A Capacitive voltage divider formed by a printed circuit board
1 ... 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 ... 135