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The RoCoil flexible current transformers have been designed for accurate, non-intrusive measurement of AC current over a wide dynamic range, where conventional rigid core sensors are unsuitable. This model has a length of 24" (60 cm) with 275.6" (7 m) leads.
The RoCoil flexible current transformers have been designed for accurate, non-intrusive measurement of AC current over a wide dynamic range, where conventional rigid core sensors are unsuitable. This model has a length of 24" (60 cm) with 275.6" (7 m) leads.
Fits into panels where rigid core CTs are unsuitable or simply won’t fit!
The DENT RōCoil™ Current Sensors, known as “Flexible Ropes”, have been designed for accurate, non-intrusive measurement of AC current, pulsed DC or distorted waveforms where conventional rigid core sensors are unsuitable. This type of sensor may be used to measure AC current over a wide dynamic range and from 20 Hz to 5 kHz. Note: Some applications may require use of integrator/amplifier.
RoCoil CTs are designed for use with ANSI C12 Class meters such as DENT’s PowerScout series meters. They are also compatible with DENT ELITEpro XC meters. This Rogowski-type sensor produces an output signal (di/dt) of 131mVAC per 1000A at 60 Hz (110mVAC/1000A @ 50 Hz). Performance of these CTs meets or exceeds IEEE C57.13 Class 1.2.
These CTs require a customer-supplied integrator/amplifier, such as the one built into DENT’s ELITEpro XC and PowerScout instruments.
Four lengths available: 16, 24, 36, and 47″ (40, 60, 90 and 120 cm).
118" (3 m) leads standard. 16, 24, and 36″ (40, 60, and 90 cm) models available with optional 275.6 or 590.6" (7 or 15 m) leads. 590.6" (15 m) leads require additional lead time.
All DENT CTs are sold individually (not in sets).
Features
| Range | 5 to 4000A |
| Output | 131 mVAC/1000A at 60 Hz 109.2 mV/1000A at 50 Hz |
| Typical Accuracy | <0.6% |
| Accuracy Class | Class 0.5-A1 (IEC 61869-10) |
| Phase Shift | <0.2° at 50/60 Hz |
| Wire Colors | White = (+) positive Black = (-) negative Bare wire = shield |
| Frequency Range | 50/60 Hz |
| Linearity | ±0.2% |
| Temperature Sensitivity | 0.07% per °C |
| Coil Materials | Blue thermoplastic rubber, flame retardant UL 94 V-0 rated |
| Shielding | 100% transducer, 100% output lead |
| Operating Temperature | -31 to 167°F (-35 to 75°C) up to 1800A -31 to 140°F (-35 to 60°C) 1800A to 4000A |
| Working Voltage | 600V CATIV : 1000V CATIII |
| Dielectric Strength | 7400 VAC around coil 1000 VAC rated leads |
| Certifications | ANSI/CAN/UL 2808 CSA C22.2 No. 61010-1-12 IEC 61010-2-032 IEC 61010-1 Ed3 IEC 60529 |
| Dimensions | Window Size = 7.5" (19.1 cm) Sensor Length = 23.6" (60 cm) Locking Connector O.D. = 1.38" (3.5 cm) Sensor Coil Diameter = 0.33" (8.3 mm) Wire Lead Total Length = 118" (3 m) |
| Range | 5 to 4000A |
| Output | 131 mVAC/1000A at 60 Hz 109.2 mV/1000A at 50 Hz |
| Typical Accuracy | <0.6% |
| Accuracy Class | Class 0.5-A1 (IEC 61869-10) |
| Phase Shift | <0.2° at 50/60 Hz |
| Wire Colors | White = (+) positive Black = (-) negative Bare wire = shield |
| Frequency Range | 50/60 Hz |
| Linearity | ±0.2% |
| Temperature Sensitivity | 0.07% per °C |
| Coil Materials | Blue thermoplastic rubber, flame retardant UL 94 V-0 rated |
| Shielding | 100% transducer, 100% output lead |
| Operating Temperature | -31 to 167°F (-35 to 75°C) up to 1800A -31 to 140°F (-35 to 60°C) 1800A to 4000A |
| Working Voltage | 600V CATIV : 1000V CATIII |
| Dielectric Strength | 7400 VAC around coil 1000 VAC rated leads |
| Certifications | ANSI/CAN/UL 2808 CSA C22.2 No. 61010-1-12 IEC 61010-2-032 IEC 61010-1 Ed3 IEC 60529 |
| Dimensions | Window Size = 7.5" (19.1 cm) Sensor Length = 23.6" (60 cm) Locking Connector O.D. = 1.38" (3.5 cm) Sensor Coil Diameter = 0.33" (8.3 mm) Wire Lead Total Length = 118" (3 m) |
