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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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Description: This document offers guidance on the application and use of optical voltage and current sensor systems for protective relaying, covering selection, installation, testing, and operation of the sensors. This Guide provides information on optical voltage and current sensing technologies,
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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: 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/Inter national 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: Control and monitor eight 12-bit analog inputs, two optically isolated digital inputs and two solid-state relay outputs via any 10/100BaseT Ethernet connection with the eI/O-170E-OEM multifunction I/O module. The module provides eight single-ended or four differential A/D inputs that are
- Connection to Host: Ethernet
- Isolation: Isolated Digital Input
- Operating Temperature: 32 to 158 F
- Resolution: 12 bits
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Supplier: Sealevel Systems, Inc.
Description: Control and monitor eight 12-bit analog inputs, two optically isolated digital inputs and two solid-state relay outputs via any 10/100BaseT Ethernet connection with the eI/O-170PoE-OEM multifunction I/O module. The module provides eight single-ended or four differential A/D inputs that
- Connection to Host: Ethernet
- Operating Temperature: 32 to 158 F
- Resolution: 12 bits
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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
- Accuracy: 0.2000 % FS
- Analog Input Channels: 2 #
- Application: General Lab and Industrial
- Form Factor: Modular Bay / Slot System
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Supplier: Process Sensing Technologies USA
Description: The S8000 precision hygrometer provides a direct measurement of dew point, temperature and pressure. Suitable for both industrial and laboratory applications, the instrument is compact and self-contained. Dew-point measurement is based on the proven, fundamental optical chilled mirror
- Form Factor: Meter / Indicator
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Supplier: Opto 22
Description: The SNAP-AITM2-i provides two isolated channels, each with an input range of -50 to +50 mV, -25 to +25 mV, or type B,C,D,G,N,T,R, or S thermocouple. In addition to having two channels isolated from each other, the module is also transformer isolated and optically isolated from other
- Accuracy: 0.1000 % FS
- Analog Input Channels: 2 #
- Application: General Lab and Industrial
- Form Factor: Modular Bay / Slot System
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Supplier: Opto 22
Description: The SNAP-AIV2-i provides two isolated channels of analog voltage input, -100VDC to +100VDC. In addition to having two channels isolated from each other, the module is also transformer isolated and optically isolated from other modules and devices.
- Accuracy: 0.0500 % FS
- Analog Input Channels: 2 #
- Application: General Lab and Industrial
- Form Factor: Modular Bay / Slot System
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Supplier: Opto 22
Description: The SNAP-AOV-25 provides two channels of analog voltage output at a nominal range of 0-10 volts. Each channel can supply +5 mA of load current. Although the two channels are not isolated from each other, the module is transformer isolated and optically isolated from other modules and
- Accuracy: 0.1000 % FS
- Analog Input Channels: 2 #
- Application: General Lab and Industrial
- Auxiliary Outputs: Voltage Output
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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
- Display: Digital Display
- Mounting / Loading Options: Handheld / Portable
- Range: 0.0 to 2 inch
- Resolution: 5.00E-5 inch
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Supplier: Gefran
Description: The R-MIXR module is equipped with a microprocessor with digital inputs/outputs and analog inputs/outputs, useful for configuring a system with a single board and/or when you want to save space on the back-plane. It has optically-isolated 24 VDC PNP digital inputs and outputs. Each
- Analog Input Channels: 4 #
- Connection to Host: Direct Backplane Interface
- Current Output: Yes
- Digital I/O Channels: 16 #
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Supplier: Gefran
Description: The R-MIX module is equipped with a microprocessor with digital inputs/outputs and analog inputs/outputs, useful for configuring a system with a single board and/or when you want to save space on the back-plane. It has optically-isolated 24 VDC PNP digital inputs and outputs. Each
- Analog Input Channels: 4 #
- Connection to Host: Direct Backplane Interface
- Current Output: Yes
- Digital I/O Channels: 16 #
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Supplier: Sealevel Systems, Inc.
Description: The SeaI/O-570S-OEM, designed using the Linear Technology LTC1867 A/D chip, provides eight single-ended 16-bit analog inputs, eight optically isolated inputs and eight Form C relay outputs. The A/D inputs are independently software selectable for +/- 5V or +/- 15V ranges and feature high
- Connection to Host: RS232/422/485
- Isolation: Isolated Digital Input
- Operating Temperature: -4 to 158 F
- Resolution: 16 bits
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Supplier: Sealevel Systems, Inc.
Description: The SeaI/O-570M, designed using the Linear Technology LTC1867 A/D chip, provides eight single-ended 16-bit analog inputs, eight optically isolated inputs and eight Form C relay outputs. The A/D inputs are independently software selectable for +/- 5V or +/- 15V ranges and feature high
- Connection to Host: RS232/422/485
- Isolation: Isolated Digital Input
- Operating Temperature: -4 to 158 F
- Resolution: 16 bits
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Supplier: Electro Optical Components, Inc.
Description: hydrogen sensors that are very 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
- Application: Confined Space Monitoring
- Electrical Outputs: Analog Current, Analog Voltage
- Instrument Type: Monitor
- Measurement Type: %Volume, Trace
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Supplier: Accuris
Description: GUIDE FOR APPLICATION OF OPTICAL INSTRUMENT TRANSFORMERS FOR PROTECTIVE RELAYING
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Supplier: Accuris
Description: GUIDE FOR APPLICATION OF OPTICAL INSTRUMENT TRANSFORMERS FOR PROTECTIVE RELAYING
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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
- Electrical Outputs: Analog Current
- Features: Data Logger
- Instrument Type: Monitor
- Measurement Type: Trace
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Supplier: AMETEK Spectro Scientific
Description: predictive maintenance system. Spectro Inc.’s ITL system is expandable and can incorporate testing and measurement solutions for other machinery fluids such as fuel, coolants, transformer oils and greases. Spectro Scientific installs and provides training for all instruments as an
- Form Factor: Bench / Rack / Cabinet, Portable / Hand Held / Mobile, Monitoring System
- Instrument Type: Condition Monitor / Fault Detector
- Technology: Optical / Laser
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Supplier: RS Components, Ltd.
Description: Professional range of Opto 22 DC output modules from the G4 series. The modules are designed to provide a single channel of transformer and optically isolated digital to voltage conversion. Unipolar or Bipolar versions Manufacturer Series = G4 Input Type = DC Digital Output Type
- Connection to Host: Direct Backplane Interface
- Current Output: Yes
- Form Factor: Printed Circuit Board (PCB)
- Operating Temperature: 32 to 158 F
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Supplier: RS Components, Ltd.
Description: Professional range of Opto 22 DC output modules from the G4 series. The modules are designed to provide a single channel of transformer and optically isolated digital to voltage conversion. Unipolar or Bipolar versions Length = 12.2mm Depth = 48.8mm Dimensions = 12.2 x 48.8 x 42
- Form Factor: Rack Mount
- Operating Temperature: -22 to 158 F
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Supplier: RS Components, Ltd.
Description: Professional range of Opto 22 DC output modules from the G4 series. The modules are designed to provide a single channel of transformer and optically isolated digital to voltage conversion. Unipolar or Bipolar versions Manufacturer Series = G4 Input Type = DC Digital Output Type
- Connection to Host: Direct Backplane Interface
- Current Output: Yes
- Form Factor: Printed Circuit Board (PCB)
- Operating Temperature: 32 to 158 F
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Supplier: RS Components, Ltd.
Description: Professional range of Opto 22 DC output modules from the G4 series. The modules are designed to provide a single channel of transformer and optically isolated digital to voltage conversion. Unipolar or Bipolar versions Manufacturer Series = G4 Input Type = DC Digital Output Type
- Connection to Host: Direct Backplane Interface
- Current Output: Yes
- Form Factor: Printed Circuit Board (PCB)
- Operating Temperature: 32 to 158 F
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Description: transformer environment, such as temperature variations, component aging, mechanical shocks and transformer vibrations. The LumaSHIELD® is equipped with a simple LCD display. Communication options include IEC61850/Ethernet¹, DNP3/Ethernet¹, SCPI and Modbus over RS-232 or RS-485
- Analog Input Channels: 16 #
- Application: General Lab and Industrial
- Application Software Included: Yes
- Auxiliary Outputs: Current Output
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Supplier: ACCES I/O Products, Inc.
Description: Features Eight optically isolated, non-polarized digital inputs Eight electromechanical relay outputs 60V isolation Can detect input state change and assert interrupt IIRO-8 is a low-cost, half-size card that provides isolated input
- Computer Bus: ISA / EISA
- Connection to Host: Direct Backplane Interface
- Digital I/O Channels: 8 #
- Form Factor: Printed Circuit Board (PCB)
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Supplier: Master Bond, Inc.
Description: -resistor 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
- Chemical / Polymer System Type: Epoxy, Specialty / Other
- Compound Type: Casting Resin
- Dielectric Constant: 2.95 to 2.96
- Dielectric Strength: 440 to 6.30E8 kV/in
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Supplier: Titan Tool Supply, Inc.
Description: Model MTSM Toolscope THE TITAN TOOLSCOPE is an optically correct, monocular alignment type Microscope. It can be purchased as a coordinate unit or as separate components. This monocular microscope can be made as simple or complicated as you desire. There are 11 different
- Application: Measuring / Toolmaker
- Eyepiece Style: Monocular
- Microscope Type: Portable Field
- Total Magnification: 3 to 400 X
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Supplier: ValueTronics International, Inc.
Description: UL Certified to 3000 V/Channel (6000 V 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
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Supplier: ValueTronics International, Inc.
Description: The ZG47 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 product
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Supplier: ValueTronics International, Inc.
Description: Isolation: Power transformer to analog output: 2.5 x 10 4 m Ohms, 300 pF Control logic to analog output: optically isolated: 10 9 Ohms, 130 pF, 500 Vdc Temperature Coefficient: Ambient: ±0.0005%/°C; Operating Limit: ±0.0010%°C Switching and Settling
- Electrical Standards & Sources: Resistance / Resistor
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Geneva, IL - S.I. Tech is announcing the availability of its new model 2062 Optical Repeater Mini Bit-Driver.® This product allows LANs to convert fiber optic multi-mode cable to single-mode fiber applications or single-mode to multi-mode. The 2062 can also convert one size of (read more)
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sensing circuit instead of optical components, further enhancing reliability. Typical operating voltage potential between primary and secondary is 2-5kVrms. This value depends on the specific application and contamination class, and is limited by the creepage distance of 76 mm (3.0″) on the PCB (read more)
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variables, harmonic distortion, and energy generation or consumption. Four versions are available to manage up to 600 VAC systems with a choice of either a one or five amp current transformer (read more)
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Easypoxy® K-230 Optically clear in thin film, semi-flexible Excellent for bonding glass and dissimilar materials Polyurethane ELANTAS (read more)
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Conduct Research Top
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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
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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.