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Producing an output signal of 131mVAC per 100A at 60Hz and configured in a 16” length, DENT Instruments has introduced their CT-R16-A4-U Revenue Grade RōCoil™ Flexible Current Transformer. The Rogowski Coil current transformer provides vast advantages, like the large window size, expansive current range, light weight and mechanical flexibility for mounting in space constricted areas. The CT can be placed with ease around large bus bars, irregular shaped conductors and around cable bundles. The CT-R16-A4-U is ideal for the non-intrusive measuring of AC current over a dynamic range, pulsed DC, distorted waveforms, as well as from 20 Hz to 5kHz.
The CT-R16-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 | 40 cm (16”) |
Window Size | 11.5 cm (4.5”) |
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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