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Supplier: Accuris
Description: Guide for Application of Optical Instrument Transformers for Protective Relaying
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Description: Guidance is offered on the application and use of optical voltage and current sensor systems for protective relaying, covering the selection, installation, testing, and operation of sensors. Information is provided on optical voltage and current-sensing technologies, and a number of
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Supplier: CSA Group
Description: Applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. The standard covers optical arrangements with electronic components.
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Description: Applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. The standard covers optical arrangements with electronic components.
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Supplier: CSA Group
Description: Preface This is the first edition of CAN/CSA-C60044-7, Instrument transformers - Part 7: Electronic voltage transformers, which is an adoption, with Canadian deviations, of the identically titled CEI/IEC (Commission Électrotechnique Internationale/International Electrotechnical
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Supplier: CSA Group
Description: Preface This is the first edition of CAN/CSA-C60044-8, Instrument transformers - Part 8: Electronic current transformers, which is an adoption, with Canadian deviations, of the identically titled IEC (International Electrotechnical Commission) Standard 60044-8 (first edition,
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Description: Description / Abstract The NEMA Smart Meter Package provides the requirements and guidance on electricity metering, watt hour meter sockets, device data tables, meter interfacing to data communication networks and type 2 optical ports. NEMA Smart Meter Package also establishes performance
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Supplier: Sealevel Systems, Inc.
Description: configurable for 0-5V, 0-10V, +/-5V, and +/-10V ranges. The A/D inputs support floating/non-referenced or ground referenced selections. This makes the A/D inputs ideal for measuring floating signal sources such as outputs of transformers, thermistors, and battery-powered devices.
- Resolution: 12 bits
- Operating Temperature: 32 to 158 F
- Network Options: Ethernet
- Data Acquisition: I/O Module
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Supplier: Sealevel Systems, Inc.
Description: configurable for 0-5V, 0-10V, +/-5V, and +/-10V ranges. The A/D inputs support floating/non-referenced or ground referenced selections. This makes the A/D inputs ideal for measuring floating signal sources such as outputs of transformers, thermistors, and battery-powered devices.
- Resolution: 12 bits
- Operating Temperature: 32 to 158 F
- Network Options: Ethernet
- Data Acquisition: I/O Module
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Supplier: Opto 22
Description: The SNAP-AIARMS provides two channels of 0-10 amp RMS AC/DC input. An ideal input is the 5-amp secondary of a standard current transformer used to monitor AC line current. Although the two channels are not isolated from each other, the module is transformer isolated and optically
- Analog Input Channels: 2 #
- Sampling Frequency: 0.030959752321981424 kHz
- Accuracy: 0.2 % FS
- Operating Temperature: 32 to 158 F
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Supplier: Opto 22
Description: The SNAP-AIRTD provides two channels of analog temperature input. Nominal input range is -200 to +850 degrees C. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory
- Analog Input Channels: 2 #
- Sampling Frequency: 0.01 kHz
- Operating Temperature: 32 to 158 F
- User Interface: Computer Programmable
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Supplier: Opto 22
Description: The SNAP-AOA-28 provides two channels of analog current output at a nominal range of 0-20 mA. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. The module is factory calibrated.
- Analog Input Channels: 2 #
- Resolution: 12 bits
- Accuracy: 0.1 % FS
- Operating Temperature: 32 to 158 F
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Supplier: Opto 22
Description: The SNAP-AIV provides two channels of analog voltage input, either -10 to +10 VDC or -5 to +5 VDC. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and devices. Modules are factory calibrated.
- Analog Input Channels: 2 #
- Sampling Frequency: 0.08695652173913043 kHz
- Accuracy: 0.05 % FS
- Operating Temperature: 32 to 158 F
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Supplier: Radwell International
Description: VOLTAGE INPUT MODULE, 8 CHANNELS, 5 VDC, 170 MA, DIN RAIL MOUNT, 18.796 MM DEPTH, 82.55 MM WIDTH, 90.17 MM LENGTH, ROHS COMPLIANT, TRANSFORMER/OPTICAL ISOLATION, FACTORY CALIBRATED. FREE 2 YEAR RADWELL WARRANTY
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Description: either analog or digital indicating or integrating instruments, in DC or AC rotating machines, transformers, induction apparatus, arc and resistance heating equipment, mercury arc, thermionic, or solid-state rectifiers and inverters. Ancillary instruments and equipment are
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Description: analog outputs (one per optical channel) are optionally available. A PLC controller is also available to offer extended control capabilities through a wide range of input/outputs. The LumaSHIELD® has a channel sampling rate of 50 Hz. It is used with standard 62.5/125 micron optical
- Analog Input Channels: 16 #
- Sampling Frequency: 0.05 kHz
- Operating Temperature: -40 to 167 F
- Features: Application Software Included, Data Acquisition Instrument / System, Other Input, Temperature Signal Conditioners
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Supplier: Process Sensing Technologies USA
Description: card or via digital comms Applications: Standards laboratory reference instrument Transformer vacuum drying verification Clean/dry room environmental monitoring Metallurgical process monitoring Reference instrument for commercial calibration laboratory Compressed air dryer R&D
- Form Factor: Meter / Indicator
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Supplier: Electro Optical Components, Inc.
Description: compact, have a long life span and are easy to maintain. Electro Optical Components offers the hydrogen sensors that are the best option for safety, process automation and system automation. With their Pd alloy thin film solid state hydrogen sensor technology you can detect hydrogen leaks
- Response Time: 60 seconds
- Operating Temperature: -4 to 122 F
- Operating Humidity: 0 to 95 %
- Measurement Type: %Volume, Trace
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Supplier: Electro Optical Components, Inc.
Description: Electro Optical Components offers state of the art hydrogen sensor products. The technology uses a patented nano thin-film technology (palladium alloy) with key advantages in hydrogen sensing. The sensor technology uses a thin film palladium alloy that absorbs and desorbs hydrogen as it comes
- Response Time: 3,600 seconds
- Operating Temperature: -40 to 131 F
- Operating Humidity: 0 to 100 %
- Electrical Outputs: Analog Current
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Supplier: Gefran
Description: circuit and overload, and a feedback circuit for diagnostics of channel function. R-MIXR also has 2 isolated inputs for CT current transformer with 16 bit resolution. The board has advanced functions for digital inputs and digital outputs. Digital inputs are configurable as fast counters, for
- Analog Input Channels: 4 #
- Digital I/O Channels: 16 #
- Resolution: 16 bits
- Operating Temperature: 32 to 122 F
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Supplier: Titan Tool Supply, Inc.
Description: The MDD2 Series Micro-Digit Micrometer Head is an Electronic LCD Display Direct Reading Stage Micrometer Heads with all functions in the head itself. The Scales are ideally suited for use on Measuring-Toolmakers Microscopes, Profile Projectors-Optical Comparators, Special Fixtures, Gauges and
- Range: 0 to 2 inch
- Resolution: 0.00005 inch
- Graduation / Resolution: 0.00005 inch
- Display: Digital Display
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Supplier: Sealevel Systems, Inc.
Description: impedance, allowing easy connection to a variety of sensors. The A/D inputs support floating/non-referenced or ground referenced selections. This makes the A/D inputs ideal for measuring floating signal sources such as outputs of transformers, thermistors, and battery-powered devices.
- Resolution: 16 bits
- Operating Temperature: -4 to 158 F
- Features: DC Voltage Input
- Data Acquisition: I/O Module
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Supplier: Sealevel Systems, Inc.
Description: impedance, allowing easy connection to a variety of sensors. The A/D inputs support floating/non-referenced or ground referenced selections. This makes the A/D inputs ideal for measuring floating signal sources such as outputs of transformers, thermistors, and battery-powered devices.
- Resolution: 16 bits
- Operating Temperature: -4 to 158 F
- Features: DC Voltage Input
- Data Acquisition: I/O Module
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Supplier: ACCES I/O Products, Inc.
Description: standard 12/24 VAC control transformers as well as by DC voltages. Input voltage range is 5 to 24 Volts (rms). External resistors connected in series can be used to extend this input range. Each input circuit contains a switchable slow/fast filter that has a 10 millisecond time constant. The
- Digital I/O Channels: 8 #
- Operating Temperature: 32 to 122 F
- Isolation: Channel-to-Channel Isolation, Isolated Digital Input
- User Interface: Computer Programmable
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Supplier: Beckhoff Automation LLC
Description: terminal can be used in all common grounded current transformer configurations such as 2- or 3-transformer configurations with star or delta connection incl. neutral conductor current measurement. The EL3453-0090 can be used for simple grid analysis up to the 63rd harmonics analysis.
- Data Acquisition: I/O Module
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Supplier: ACCES I/O Products, Inc.
Description: sources of 3 to 31 volts (rms) or AC sources at frequencies of 40 Hz to 10 KHz. Standard 12/24 AC control transformer outputs can be accepted as well. External resistors connected in series may be used to extend the input voltage range, however this will raise the input threshold range.
- Digital I/O Channels: 8 #
- Operating Temperature: 32 to 158 F
- Features: Application Software Included, Other, PCI
- Isolation: Channel-to-Channel Isolation, Isolated Digital Input
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Supplier: ValueTronics International, Inc.
Description: Maximum Channel Differential) VOE Certified to 1500 V/Channel (3000 V Maximum Channel Differential) A dual-channel, optical-and transformer-coupled voltage isolator, the Tektronix A6902A allows safely grounded test instruments to make floating measurements at high sensitivity
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Supplier: Master Bond, Inc.
Description: housings; interruptor tubes and outdoor instrument transformers. Master Bond Polymer System EP112 does not contain any fillers but is also available in filled modifications with specially surface treated quartz, alumina and other fillers to best meet specific application requirements.
- Use Temperature: -60 to 500 F
- Tensile Strength (Break): 5,200 to 10,200 psi
- Elongation: 2.4 to 6.9 %
- Electrical Resistivity: 1,800,000,000,000,000 to 150,000,000,000,000,000 ohm-cm
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Description: 61850 (all parts) in at least one part of their communication flow. The following communication equipment is included within the scope: – optical instrument transformer; – conventional instrument transformers related to IEC 61850 traffic; – merging unit; –
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Supplier: ValueTronics International, Inc.
Description: The EQUITEST5071 is a HiPot from HT Instruments. HiPot, or high potential, is a class of electronic test equipment used to verify electrical insulation. Engineers use HiPot-testing instruments on cables, wires, circuit boards, appliances, electric motors, and transformers. As a
- Features: Current Leakage Tester, Ground Bond Testers
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Supplier: ValueTronics International, Inc.
Description: and versatility of the instrument. The Model 520A Programmable DC Voltage Standard is a highly versatile reference source, designed to meet the needs of computer systems, production line testing, automated calibration, and standards laboratories. The instrument has a specified
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Supplier: Titan Tool Supply, Inc.
Description: color coated and corrected). Modular Toolscope Monocular Microscopes We offer you sturdy, well-designed components which enable you to adapt this instrument to your own special needs. The uses for the Toolscope are endless, from Metrology, to mounting in special fixtures on machines, or for
- Total Magnification: 3 to 400 X
- Application: Measuring / Toolmaker
- Features: Monocular
- Microscope Type: Portable Field
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Design and Development of Medical Electronic Instrumentation
for. compliance with safety standards. Projects include the design of an isolated biopotential. amplifier, transformer-coupled analog isolator module, carrier-based optically coupled analog. isolator, linear optically coupled analog isolator with compensation, isolated eight-channel. 12-bit analog
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A Microfluidic System for Biological Particle Enrichment Using Contactless Dielectrophoresis
through the. main channel. High-frequency electric fields were provided. by a wideband, high-power amplifier and transformer combination. (Amp-Line Corp., Oakland Gardens, NY), and signal. generation was accomplished using a function generator. (GFG-3015; GW Instek, Taipei, Taiwan). Numerical Modeling
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MSilica Nanoparticles Treated by Cold Atmospheric-Pressure Plasmas Improve the Dielectric Performance of Organic-Inorganic Nanocomposites
, Amp-Line, Oakland Gardens,. NY, USA). A high-voltage transformer was then used to. step-up the voltage of the signal before it was applied to the. microfluidic device. It should be noted that voltages and. frequencies higher than 300 Vrms and 600 kHz, respectively,. were not tested due to the PDMS
More Information Top
Indicates content that may require registration and/or purchase.
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IEEE Trial-Use Standard for Optical AC Current and Voltage Sensing Systems
Routine test procedures (applicable to optical instrument transformers )..
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Design and Application of Optical Voltage and Current Sensors for Relaying
Most modern optical instrument transformers are digital instruments capable of providing digital output.
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New optical voltage instrument transformer
The optical instrument transformers have been reported for several decades.
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ABB Launches New MOCT-P Optical Instrument Transformer For Relaying High Voltage Network Applications
ABB Launches New MOCT-P Optical Instrument Transformer For Relaying High Voltage Network Applications .
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ABB Launches New MOCT-P Optical Instrument Transformer For Relaying High Voltage Network Applications
ABB Launches New MOCT-P Optical Instrument Transformer For Relaying High Voltage Network Applications .
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High-voltage current and voltage sensors for a smarter transmission grid and their use in live-line testing and calibration
From 1997 to 2004, he was a Director of Research & Development at NxtPhase Corporation, working on precision high-voltage optical instrument transformers for use in high-voltage electric power transmission systems.
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Development of electrical circuit model for an optical potential transformer
[18] T. Sawa, K. Kurosawa, T. Kaminishi, T. Yokota, “Development of optical instrument transformers ,” IEEE Trans.
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Calibration system for electronic instrument transformers with digital output
Index Terms—Calibration system, digital output, electrical cur- rent transducers (ECTs), electronic voltage transducers (EVTs), instrument transformers, optical instrument transformers .
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SF/sub 6/-free 550 kV combined optical voltage and current transducer system
Table I provides a copy of the nameplate data for one of the 550 kV combined optical instrument transformers .
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Accurate voltage measurement by the quadrature method
[2] T. Sawa, K. Kurosawa, T. Kaminishi, and T. Yokota, “Development of optical instrument transformers ,” IEEE Trans.