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CT500SA / CT200SA AC/DC Split Core Current Sensor

Key Features

  • 500 A and 200 A AC/DC, split core, 20 mm aperture
  • Basic accuracy ±(0.09% of reading + 0.01% of full scale) at 23 ±5 °C
  • Bandwidth DC to 500 kHz (CT500SA) or DC to 1 MHz (CT200SA)
  • Voltage output, 4 mV/A or 10 mV/A, BNC
  • ±12 V supply, for power analyzers and waveform instruments

Model

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Compact split-core fluxgate current sensors for 500 A and 200 A. They clamp onto an existing conductor and combine power-analyzer accuracy with enough bandwidth for waveform instruments. Voltage output on a BNC connector works with WT series and PX8000 power analyzers and with ScopeCorders and DLM oscilloscopes.

Models & Specifications

Common Specifications

Specification Value
Output resistance 50 Ω ±10 Ω
Supply ±12 V
Connector BNC
Main unit dimensions 110 × 62 × 25 mm
Operating temperature Main unit −40 to 85 °C; sub unit and IV unit 5 to 40 °C
Phase accuracy ±0.1° from 0.1 Hz to 1 kHz
Accuracy warranty 12 months

Model Comparison

Specification CT500SA CT200SA
Rated current 500 A AC/DC 200 A AC/DC
Bandwidth (−3 dB) DC to 500 kHz, typical DC to 1 MHz, typical
Output 4 mV/A, BNC 10 mV/A, BNC
Delay 130 ns typical 78 ns typical
Supply current 0.8 A maximum 0.7 A maximum
Aperture 20 mm 20 mm

Specifications from the official Yokogawa user’s manual IM CT500SA-01EN. Use the Download Datasheet button for the full document.

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