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LEM Danfysik Current Transducers, Saturn  

The Saturn is no longer in production. See Discontinued Products.

The recommended replacement is Danisense DS Series High Precision Current Transducers

The Ultrastab Saturn Current Transducer is a high accuracy, high resolution current measuring device based on Fluxgate detection of the zero flux conduction in a magnetic toroid through which the primary current parses. It can measure dc and AC current.

The Saturn comes standard with a bipolar current output or an optional bipolar voltage output. Five different types of programmable transducer heads are available with current measurement ranges from 0-5000A and DC up to 300kHz:
-STH-600A programmable in steps of 20A
-STH-2000A programmable in steps of 125A
-STH-2000IHF non-programmable head with higher frequency response
-STH-5000A with 62mm hole programmable in steps of 250A (This model available on special request)
-STH-5000A with 140mm hole programmable in steps of 250A
All Saturn Transducer heads are compatible with the Saturn Electronics Control.

The Ultrastab Saturn can be configured as a very low noise, multi-channel system by setting the first unit, of a daisy chain, as the synchronization master and the following units as synchronization slaves to insure all units are working with the same clock.

  • Bandwidth DC to 300kHz
  • Linearity better than 1ppm
  • Absolute calibration traceable to NIST
  • Temperature coefficient less than 1 ppm/°C
  • Resolution 0.05ppm of full-scale
  • Bipolar ± 1A / ± 2A full scale output bandwidth or
  • Bipolar ± 10V full scale output option
  • Head windings for programmable current ratios
  • Low noise on the primary current
  • Very low insertion impedence, low power loss compared to resistive shunts
  • Test and calibration of current sources
  • Current measurement for precision power analysis
  • Absolute current standard reference
  • Differential current measurement
Last updated on: 28 February, 2014
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