CSNK500M Current Sensor Measure Direct Current Alternating Current PulsedCurrent

Electrical Parameters:

• Rated Current: 500A rms (nominal)
• Measurement Range:
  • Continuous current: 0~±1200A_t
  • AC peak current: 0~±1275A_t
• Measuring Resistance (at 70°C):
  • With ±15V: 0Ω~75Ω at ±500A_t Max; 0Ω~10Ω at ±1000A_t Max
  • With ±18V: 0Ω~100Ω at ±500A_t Max; 0Ω~5Ω at ±1275A_t Max
• Analog Output Current (at 500A): 100mA
• Turns Ratio: 1/5000
• Accuracy (25°C): Better than ±0.50%ln
• Power Supply Voltage: ±15~18V DC (±5%)
• Primary-Secondary Electrical Isolation: 6KV_rms/50KHz/1min

Performance - Dynamic Parameters:

• Zero-Offset Current (25°C): Better than ±0.20mA
• Offset Current Temperature Drift (0~70°C): Better than ±0.30mA
• Linearity: Better than ±0.10%
• Response Time: Better than 1μs
• Bandwidth: DC~100KHz
• di/dT Following: Better than 100A/μs

Technical Specifications:

• Operating Temperature Range: -40~85°C
• Storage Temperature Range: -40~90°C
• Current Consumption: 20mA plus output current
• Secondary Internal Resistance (+70°C): 50Ω
• Sensor Housing: Insulated plastic housing
• Mounting Type: 4-pin connector

Working Principle:

The CSNK500M closed-loop current sensor is based on the magnetic compensation principle, with electrical isolation between primary/secondary circuits. It can measure DC, AC, and pulse currents.

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