ART Series Split Core Rogowski Coils

LEM's ART series is a unique, IP67, flexible split-core AC current sensor implementing high accuracy Rogowski coil technology

Image of LEM's ART Series Split Core Rogowski CoilsLEM's ART series offers smart grid solutions with galvanic isolation between power and measurement circuits. All while dramatically reducing error with LEM’s patented perfect loop technology. The ART series provides ease of use with its flexible clip-around application for a wide range of cable diameters.

Features and Benefits
  • Rated insulation voltage 1000 V Cat III PD2
  • Accuracy class 0.5 (IEC 61869-2)
  • Protection degree IP67
  • ⌀ 70, ⌀ 125, ⌀ 175, ⌀ 300 mm sensing aperture
  • 1.5 m output cable
  • Ambient temperature -40°C to +80°C
  • Very flexible and thin coil: 6.1 mm
  • ⌀ 2 mm hole to pass a security seal tampering
  • Thin, flexible, and light weight solution
  • Very low positioning error
  • Quick, non-intrusive, and easy setup
  • A single sensor for a large current range without overload
  • Less influenced by external fields
  • Adaptable for a large range of cable diameters
  • An innovative patented clasp drastically reduces the positioning error near the closing
  • Internal shield for enhanced measurement accuracy at low primary currents
Applications
  • MV/LV substations on LV side: transformer condition monitoring
  • Power metering: current measurement for active power calculation
  • Building sub-metering: energy efficiency monitoring, consumption analysis, and cost allocation
  • Power quality monitoring: electrical loads and distribution system equipment
  • Fault detection, isolation, and repair (FDIR): isolate the site of the fault
  • Remote terminal units (RTU)
  • Phasor measurement units (PMU)

ART Series Split Core Rogowski Coils

ImageManufacturer Part NumberDescriptionInductanceAvailable QuantityView Details
ART-B22-D70 datasheet linkCURR SENSE XFMR FLEXIBLE COILART-B22-D70CURR SENSE XFMR FLEXIBLE COIL180µH98 - Immediate
ART-B22-D70 product page link
ART-B22-D125 datasheet linkCURR SENSE XFMR FLEXIBLE COILART-B22-D125CURR SENSE XFMR FLEXIBLE COIL258µH31 - Immediate
ART-B22-D125 product page link
ART-B22-D175 datasheet linkCURR SENSE XFMR FLEXIBLE COILART-B22-D175CURR SENSE XFMR FLEXIBLE COIL343µH48 - Immediate
ART-B22-D175 product page link
ART-B22-D300 datasheet linkCURR SENSE XFMR FLEXIBLE COILART-B22-D300CURR SENSE XFMR FLEXIBLE COIL566µH34 - Immediate
ART-B22-D300 product page link
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Published: 2017-08-30