IsoBlock Q-4c

In Stock
Isolation Amplifier

  • Galvanic channel to channel isolation
  • Selectable gains
  • 1,200V sustained and 3,000V peak isolation
  • DC to 100kHz Bandwidth
  • Simple setup
  • Drop in Voltage Sensing to channel isolation to any DAQ
  • DIN rail fixturing for fast setup

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1,400.00 1,400.00 1400.0 USD

1,400.00

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    The IsoBlock Q-4c module was designed to isolate the voltage across cable segments of a superconducting magnet, as well as coils, half and full magnets. By placing multiple IsoBlock Q-4c sensors along the length of a superconducting cable, a time-of-flight technique can be used to locate a quench origin. Also, IsoBlock Q-4c sensors can be placed across larger symmetrical segments of a magnet to detect when the magnet starts quenching from superconducting state.

    Three-Way Galvanic isolation

    Each channel amplifies and magnetically modulates its input signal across a galvanic barrier. This results in 1200V sustained and 4200V surge isolation from channel-to-channel and channel-to-ground. In addition to that, each channel has a protection stage at its input that allows it to sustain voltage spikes generated during the magnet energy extraction. At the output of each isolation channel there is an anti-aliasing filter and a conditioning stage to output a ±10V signal.

    Quench Detection

    By placing multiple IsoBlock Q-4c sensors along the length of a superconducting cable, a time-of-flight technique can be used to locate a quench origin. IsoBlock Q-4c sensors can be placed across larger symmetrical segments of a magnet to detect when the magnet starts quenching from superconducting state. 

    Compact form factor

    Of the IsoBlock Q-4c module allows users to setup high channel density monitoring systems, making it also ideal for extended magnet networks. 


    Flux Gate Methodology

    The IsoBlock I-FG-4C uses Flux-Gate methodology to measure the current flowing through the input conductor. This technique works by placing a toroid with a high number of turns (secondary) around the input current path (primary), while a close-loop circuitry controls the current through the secondary to null out the magnetic field inside the toroid. The input current is then obtained by multiplying the current from the control circuitry by the number of turns of the secondary. This is followed by an anti-aliasing filter and a conditioning stage to output a ±5V signal.