Part of the Oxford Instruments Group


A superconducting intelligent magnet power supply.
A level-meter card can be configured which is linked to magnet safety interlocks. The level-meter raises an error If the cryogen level falls below a safe level.​

Level Meter Card​

Auxiliary cards can be configured into the MercuryiPS. This can be used as an autofill if there is a cryogenic filling system included.

Auxiliary Card​

MercuryiPS can be configured for the specific magnet requirements from 60 A to 600 A, with a variety of auxiliary cards.​

Configurable + Expandable​


  • Based on ±60 A modules with ±10 V compliance.
  • Can be configured in parallel, series and matrix modes from the basic ±60 A with ±10 V output up to ±600 A with ±10 V or ±300 A with ±20 V output configurations.
  • Communications support a full range of interface options (Ethernet, USB, RS232, and optional GPIB) with downloadable Mercury function library for LabVIEW.
  • Quench protection and auto-rundown. The MercuryiPS can be programmed to run the magnet down safely in the event of magnet temperature rise, low cryogen levels or if triggered by an external TTL signal.
  • The MercuryiPS has an on-board temperature sensor for diagnostic monitoring of the magnet temperature.
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Detailed Specifications

  • Output current: ± 60 A nominal (± 62.5 A maximum) via rear panel busbar per module
  • Output voltage: ± 10 V
  • Output polarity: Bi-polar
  • Current setting resolution: 0.15 mA
  • Current resolution: 0.1 mA
  • Current stability: ± 2 mA
  • Max sweep rate: 1200 A/min
  • Min sweep rate: 0.005 A/min​
  • Resolution: 0.01 A/min
  • Load inductance: Up to 1000 H
  • Switch heater output: 0 to 120 mA into 0 – 100 Ω.                            (11.5 V compliance limit)
  • Max steady state power: 600 W
  • Mains input: 3 pin UL/CSA compliant
  • Supply voltage: 100 VAC to 240 VAC​
  • Frequency: 50 - 60 Hz​
  • RS232: With isobus support. Configured as DCE
  • Ethernet: 10/100 RS422 IEE802.3
  • USB: Serial port emulation
  • GPIB: IEEE-488 (Option)
  • RS485 Modbus: Control between Master and Slave
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