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DENT Instrument’s CT-R24-A4-U Revenue Grade RōCoil™ Flexible Current Transformer is 24” in length with a 7.0” window size. The CT generates an output signal of 131mVAC per 100A at 60Hz. It’s designed for the non-intrusive measurement of AC current over an expansive range, distorted waveforms, pulsed DC as well as from 20 Hz to 5kHz.
The Rogowski coil offers numerous advantages over the traditional rigid core CTs. The CT-R24-A4-U has a large current range, greater window size, and its light-weight and mechanically flexible construction make it ideal for applications where working space is limited. It can be placed around irregular shaped conductors, large bus bars or around cable bundles effortlessly.
The CT-R24-A4-U is crafted for use with the PowerScout and ELITEpro XC series from DENT Instruments.
*Requires a customer-supplied integrator/amplifier, such as the one built into the ELITEpro XC and PowerScout series.
Length | 60 cm (24”) |
Window Size | 17.9 cm (7.0”) |
Output Signal | 131 mVAC/1000A @ 60 Hz 109.2 mV/1000A @ 50 Hz |
Current Range | 5 - 5000A AC* |
Accuracy (Typical) | < 0.6%** |
ELECTRICAL All accuracies specified at 20°C (±2°C) with RōCoil™ centered on conductor. | |
Output Signal | 131 mV/1000A @ 60 Hz 109.2 mV/1000A @ 50 Hz |
Wire Colors | White = (+) positive Brown = (-) negative Bare wire = shield |
Phasing | Arrow Points Towards Load |
Phase Shift | < 0.2° at 50/60 Hz |
Frequency Range | 20 Hz to 5 kHz* |
Useful Current Range | 5 - 5000A AC* |
Linearity | ± 0.2% |
Temperature Sensitivity | 0.07% per °C |
MECHANICAL | |
Coil Materials | Blue thermoplastic rubber, flame retardant UL 94 V-0 rated |
Coupling Materials | PA6 UL 94 V-0 rated |
Shielding | 100% transducer, 100% output lead |
Working Temperature | 20 °C to +70 °C (-4° to +158 °F) |
SAFETY | |
Working Voltage | 1000 Vrms maximum |
Dielectric Strength | 7400 VAC around coil 1000 VAC rated leads |
Certifications | Conforms to UL STD 61010-1 Certified to CAN/CSA STD C22.2 No. 61010 |
*Depending on meter compatibility. RōCoil CTs UL Rated to 100KA AC. ELITEpro SP/XC (v .212 or newer firmware) and PowerScout™ 3 and 24 (v. 3.16 or newer firmware) rated for 5-5000A. Meters with earlier firmware versions rated from 50-5000A AC. PowerScout™18 rated for 50-3500A.
**Installed using best practices with conductor centered in the CT window and ensure any external conductors are a minimum distance of > 2X the diameter of the RōCoil. Accuracy below 20A rated at 1.5% +/- 0.5A when used with DENT ELITEpro/PowerScout meters. RōCoil have been 100% verified to meet the C57.13-2008 Class 1.2 Standard.
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- • Cable Bundles
- • Irregular Shaped Conductors
- • Large Bus Bars
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