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Optical Fiber Current Sensors – Orbray Co. Ltd.

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Optical Fiber Current Sensors(OCS) utilizing the Faraday effect measures power electric A.C current.

The OCS has the following features, Compact and weight light, Easy to install, High insulation property, Immune from electromagnetic noise, Measurement of large current, High-speed response, Long distance signal transmission.

The OCT gets the adoption in various fields such as the electric power, cars, and railways.

The OCT includes the following technologies, polishing, optical thin film, and precise Assembling.

Features

  1. Compact, lightweight, and non-insulating
    The sensing element used is optical fiber which makes the OCS compact, lightweight, and non-insulating.
  2. Easy to install
    Installation to existing electric equipment is easy. The OCS does not require the need to cut electric wire because it consists of a reflective type optical circuit and the measurement location point can easily be changed.
  3. Immunity from electromagnetic
    OCS is immune to electromagnetic noise, because all parts except for the electronic circuit consist of optical components.
  4. Measurement of large current
    Measurement of large current is possible, because the OCS unit does not need the use of iron cores which cause magnetic saturation.
  5. High-speed response
    OCS detects and transmits current by using optics and due to this advantage, the response for high-speed sensing is more efficient than conventional current sensors.
  6. Long distance signal transmission
    Long distance signal transmission is possible because waveform distortion and transmission loss are low.

Applications

Electric power field Portable type measurement device for large current. Current monitor for underground distribution cable lines. Fault section sensing and locating systern. Fault point locating system. Protective relaying systems. Electric power metering device for purchasing.
Railroad Inverter harmonic current measurement.
Automobile Current waveform measurement for Motor, Capacitor, Inverter and IGBT.
FA Current measurement for induction heater current, Refinement, Laser, Electron Beam, Welding machine, and Plasma.
Aviation / Vessel Wire harness insulation deterioration diagnosis.
Other Waveform measurement of impulse current such as Lightning current, Superconductive current measurement.

Signal processor

Item Specification
Model No. D1550
Power supply AC10OV ~ 250V, 50Hz or 60HZ
Measurement range ~ 5kA rms
Frequency range 3Hz ~ 10kHz
Accuracy JEC1201-1PS Class(at 2kA, 50Hz)
Output form “Numeric display” and “Analog voltage output”
Operating temp, range 0 ~ 50°C
Size W 180mm x D 308mm x H 50mm
Weight 1.8kg

Sensor Probe

Item Specification
Product name Reflective Type Sensor Probe
Sensor Fiber LBF: Low Birefringence Fiber
Maximum Measurable Current 100kA (100kA Max.)
Sensor Fiber Length 5 meters or less
Transmission Fiber Length 10 meters or less
Wavelength 1550nm
Operating temp, range -20 ~ 80°C

 

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Orbray Co., Ltd.
Orbray Co., Ltd.

Cutting, grinding, polishing.

This is the art of our master craftsmen, processing hard objects.
Our master craftsmen’s skills are constantly refined with cutting-edge technology.
We are always custom-made to meet the needs of our customers.

Corporate Vision

Polishing, Connecting, Spinning.
We will continue to refine our craftsmanship and connect it to the next generation and to the value of the world, weaving the future that the world and our customers envision.

Need more info ?

Optical Current Sensors Catalog

Orbray Co., Ltd.

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Vendor Information

  • Store Name: Orbray Co., Ltd.
  • Vendor: Orbray Co., Ltd.
  • Address: 123-8511
    Tokyo Adachi-ku 3-8-22, Shinden

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