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RoCoil™ Flexible Current Transformers

DENT's RoCoil line of Rogowski Coil CTs offer significant advantages over conventional Split Core or Clamp-On CTs in certain installations. These "rope-style" Current Transformers deliver "installer-friendly" features such as large window size, light weight, wide current range, and mechanical flexibility for mounting in tight quarters. RoCoils provide accurate, non-intrusive measurement of AC current combined with easy placement around cable bundles, large bus bars and irregular shaped conductors. They are available in three models: RoCoil, RoCoil mV and the FLN 3000A Series. See the details of each below.

RoCoil™

Lengths: 16", 24", 36", and 72"

RoCoil mV™

Lengths: 16", 24", 36" and 72"

3000A Flex CTs

Length: 36"

RoCoil CTs are designed for use with DENT's PowerScout™ networked power meters and ELITEpro SP™ instruments. This Rogowski-type sensor produces an output signal (di/dt) of 131mVAC per 1000A at 60Hz (110mVAC/1000A @ 50Hz). These CTs require a customer-supplied integrator/amplifier (such as the one built in to DENT's ELITEpro SP and PowerScout instruments).

Standard Features:

  • Available in 16", 24", and 36" lengths
  • Lightweight, flexible alternative to conventional CTs
  • Broad amperage range from 50-5000A AC
  • Excellent linearity of +/- 0.2%

RoCoil™ Documents (pdf):

Like its name implies, the RoCoil mV produces a millivolt output for use with DENT's ELITEpro power meters. These CTs are available in standard lengths up to 72" and current ranges up to 6000A AC. The RoCoil mV requires 5-24V DC for operation, which can be supplied from a Line-Powered ELITEpro or optional external power supply.

Standard Features:

  • Available in 16", 24", 36", and 72" lengths
  • 1000A, 2000A, 3000A, and 6000A ranges
  • Max output of 1.66VAC for use with other manufacturer's meters

RoCoil mV Documents (pdf):

The DENT 3000A Flexible Current Transformer is composed of a battery-powered flexible sensor and integral battery-powered amplifier/integrator electronics module. It offers a unique, switch-selectable 300/3000A dual measurement range.

Standard Features:

  • Measure from 20A to 4000A
  • Dual range: Easily switch between 300A and 3000A
  • 36" length
  • Battery life is ~4,000 hours (8,000 hours maximum)

3000A Flex CT Documents (pdf):

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Rogowski coils by DENT. These “rope-style” flexible current transformers offer advantages over conventional split core or clamp-on CT's in certain installations. Also available as bare Rogowski-type sensors. Oure RoCoil™ Rogowski Flex Coil CT's can be used with DENT’s ELITEpro and DATApro Series dataloggers.