Tektronix TCP312A Current Probe

The Tektronix TCP312A Current Probe is a cutting-edge split-core probe that incorporates both transformer and Hall effect technology. Designed for seamless integration with Tektronix oscilloscopes equipped with TEKPROBE Level II, TekConnect (with TCA-BNC), or TekVPI (with TPA-BNC) interfaces, this innovative probe simplifies current measurements and calculations, making them more accessible than ever.

Key Features and Specifications

• Versatile Measurements:
  • AC/DC measurement capabilities for comprehensive analysis.
  • Automatic Scaling and Units for precise oscilloscope on-screen readouts, minimizing measurement errors and the need for manual calculations.
  • AC/DC input coupling for varied measurement needs.
• Low Insertion Impedance: Designed to reduce DUT loading, ensuring accurate readings.
• User-Friendly Design: A split-core design allows for easy circuit connections.
• Status Indicators: Visual alerts for operating status, including:
  • Degauss
  • Probe open
  • Overload
  • Non-terminated into 50 Ω
  • Incompatible probe types
• Enhanced Measurement Precision: Low DC drift and noise enabling improved low-level current measurements.
• Wide Application Range: Ideal for development and analysis in various fields, including:
  • Power supplies (both switching and linear)
  • Semiconductor devices (SCRs, IGBTs, MOSFETs, CMOS, BJTs)
  • Power inverters/converters
  • Electronic ballasts
  • Industrial and consumer electronics
  • Mobile communications (phones, satellites, relay stations)
  • Motor drives
  • Transportation systems (including electronic vehicles and avionics)

Technical Specifications

• Bandwidth: DC - 100 MHz
• Rise Time: ≤ 3.5 ns
• DC Accuracy: ±3% of reading (typical ±1% of reading)
• Lowest Measurable Current: 1 mA at ±3% accuracy with oscilloscope set to 1 mV/div and 20 MHz bandwidth limit.
• Maximum Amp-Second Product:
  • 50 AμS - 1 A/V
  • 500 AμS - 10 A/V
• Maximum Wire Voltage (bare insulated):
  • 150 V CAT II
  • 300 V CAT II
• AC-Coupling Low-Frequency: Bandwidth typical (Low pass - 3 dB point)
• Displayed RMS Noise: ≤ 250 μARMS at 20 MHz bandwidth limit
• Signal Delay: 17 ns to output BNC
• Insertion Impedance:
  • 0.11 Ω at 1 MHz
  • 0.12 Ω at 10 MHz
  • 0.35 Ω at 50 MHz
  • 0.7 Ω at 100 MHz
• Current Ratings:
  • High-Current Sensitivity:
    • Range: 10 A/V
    • DC (continuous): 30 A
    • RMS (sinusoidal): 21.2 A
    • Peak: 50 A
  • Low-Current Sensitivity:
    • Range: 1 A/V
    • DC (continuous): 5 A
    • RMS (sinusoidal): 3.5 A
    • Peak: 50 A

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