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LEM IT 700-S ULTRASTAB Quick Start Manual

Current transducer

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Current Transducer IT 700-S ULTRASTAB
For ultra-high precision measurement of current: DC, AC, pulsed..., with galvanic separation
between primary and secondary.
Features
● Closed loop (compensated) current transducer using an
extremely accurate zero flux detector
● Electrostatic shield between primary and secondary circuit
● 9-pin D-Sub male secondary connector
● Status signal to indicate the transducer state
● LED indicator confirms normal operation.
Advantages
● Very high accuracy
● Excellent linearity
● Extremely low temperature drift
● Wide frequency bandwidth
● High immunity to external fields
● No insertion losses
● Low noise on output signal
● Low noise feedback to primary conductor.
N° 88.36.54.000.0
20September2013/version 4
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
Applications
● Feed back element in high performance gradient amplifiers
for MRI
● Feedback element in high-precision, high-stability power
supplies
● Calibration unit
● Energy measurement
● Medical equipment.
Standards
● EN 61000-6-2: 2005
● EN 61000-6-3: 2007
● EN 61010-1: 2010
● EN 61000-3-2: 2006
● EN 61000-3-3: 1995 + A1: 2001 + A2: 2005.
Application Domains
● Industrial
● Laboratory
● Medical.
I
= 700 A
PM
Page 1/7
www.lem.com

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Summary of Contents for LEM IT 700-S ULTRASTAB

  • Page 1 Application Domains ● Low noise feedback to primary conductor. ● Industrial ● Laboratory ● Medical. N° 88.36.54.000.0 Page 1/7 20September2013/version 4 www.lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice...
  • Page 2: Insulation Coordination

    Ambient operating temperature °C Ambient storage temperature °C Relative humidity Non-condensing Dimensions See drawing page 7 Mass Page 2/7 20September2013/version 4 www.lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice...
  • Page 3: Electrical Data

    All ppm figures refer to full-scale which corresponds to a secondary current (I ) of 0.4 A. Page 3/7 20September2013/version 4 www.lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice...
  • Page 4 TO ENSURE A SAFE RECOVERY FROM SATURATION, THE MAXIMUM BURDEN RESISTOR ALLOWED IS 2.5 Ω. Maximum measuring resistor versus primary current Page 4/7 20September2013/version 4 www.lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice...
  • Page 5 High Open Closed The transducer is not OK (Overload mode or supply fault) (switches to V+) Page 5/7 20September2013/version 4 www.lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice...
  • Page 6 A protective housing or additional shield could be used. Main supply must be able to be disconnected. Page 6/7 20September2013/version 4 www.lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice...
  • Page 7: Mechanical Characteristics

    ● Pin 4 should be connected to cable and connector shield to maintain lowest output noise. ● Temperature of the primary conductor should not exceed 50 °C. Page 7/7 20September2013/version 4 www.lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice...