Model# CTRS RMS Split-Core Current Transformer/Transducer
Model# CTRS

RMS Split-Core Current Transformer/Transducer

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Detailed Model Specs
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SPECIFICATIONS

INPUT
Current:
See Table
Frequency Range
– Non “R” Models:50-60Hz
– “R” Models: 20-2kHz
Current Overload: 2X F.S. (cont.)
– 5X (10 Sec. transient)
– 10X (1 Sec. transient)
Dielectric Test:(Input/Output/Case) 1500Vac

OUTPUT
Output Ripple: <1.0% F.S.
Response:(90%)
– Non “R” Models: 100ms
– “R” Models: 300ms
Output Loading (Ω):
– 0-1mA: 0-10KΩ
– 0-10Vdc, 0-5Vdc: 2KΩ min.
– 4-20mA: 0-500Ω
Field Adjustable Cal: ±10%

ACCURACY:
– Model 5A; 10A: ± 0.5% F.S.
– 15A-1000A: ±0.25% F.S.
– 1KA-40KA(Rogowski Coil)
Set point (w/conductor centered in window): ±1.0% F.S.@ 60Hz
Linearity: ± 0.25% F.S. @ 60Hz
Position Sensitivity: ±2.0% F.S.
Temperature Effect: (-20°C to +60°C) ± 1.0% Rdg.
Instrument Power (Std.):
– 115Vac, ±15%, 50/60Hz, 3.5VA
– Optional 230V Instr. Power: Add Suffix “-22”
Weight: Approximately 1.5 lbs.
Rogowski Coil Sizes:
– 6.5″ Dia. Standard
– 10.5″ Dia: Add Suffix -1
– 14″ Dia: Add Suffix -2
– 21.5″ Dia: Add Suffix -3

FEATURES
  • Accurate measurement of the true RMS value of input signal.
  • Split Core 5A thru 1000A sensors without loss of accuracy.
  • Open circuit protection.
  • Flexible rogowski coils (air core CTs) are used for current measurement ranges of 1kAac and larger.