Tektronix current probe solutions offer:

• The broadest range of AC/DC and AC-only current probes
• Measurement accuracy from uAs to 2000 A
• Best-in-class bandwidth up to 120 MHz
• Best-in-class current clamp sensitivity down to 1 mA
• The only products with 3rd Party Safety Certification (UL, CSA, ETL)
• The only products with bare wire voltage ratings
• Automatic readout and scaling when used with Tektronix oscilloscopes so you don't have to convert volts to amps or manually set the scaling

• Function

  • Wide - Bandwidth Signal Measurement: 
  • It has a bandwidth ranging from DC to 50 MHz, which allows it to accurately measure and reproduce high - frequency signals such as PWM - modulated waveforms. 
  • This is crucial for analyzing high - frequency switching signals in modern electronic circuits.
  • High - Sensitivity Current Detection: 
  • The TCP202A can measure currents as low as 10 mA per division with high accuracy. 
  • The DC gain error is typically less than 1%, ensuring stable and reliable measurement results. 
  • This sensitivity enables the detection of small - current changes in the circuit, which is beneficial for researching and debugging micro - current electronic devices.
  • Large - Current Measurement Capability: 
  • It can continuously measure 15 A of DC current, with a peak pulse current of 50 A. 
  • This makes it suitable for applications with high - current requirements, such as industrial motor drives and new - energy vehicle battery management systems. 
  • It can accurately record the impact current during motor startup and help optimize circuit protection designs.
  • Low - Noise and Low - Drift Characteristics: 
  • The probe features low noise and DC drift, which can provide stable measurement signals and reduce interference and errors caused by noise and drift,
  •  thereby improving the accuracy and reliability of measurements.
  • Easy Circuit Connection: 
  • The split - core construction with a 5 - mm - diameter core jaw allows for easy clamping of wires, 
  • with an insertion impedance as low as 0.01 Ω at 1 MHz, minimizing the impact on the measured circuit.
  • Intelligent Interaction and Convenient Operation:
  •  It can be directly connected to oscilloscopes through the TekProbe interface. After connection, 
  • it can automatically identify and calibrate, and the oscilloscope screen can display current values in real - time without manual conversion. 
  • The degauss button and thumbwheel on the panel can quickly eliminate residual magnetic field interference and ensure that the DC offset is zero, which is easy to use for both professionals and non - professionals.

  Applications

  • Power Supply Design: 
  • It is used to analyze the inrush current and efficiency of switching power supplies. 
  • By observing the current waveform, engineers can optimize the design of the power supply circuit to improve its stability and efficiency.
  • Semiconductor Testing: It is used to evaluate the dynamic conduction losses of devices such as IGBTs and MOSFETs. 
  • This helps engineers understand the performance of semiconductor devices under high - frequency 
  • and high - current conditions and provides a basis for device selection and circuit design.
  • Automotive Electronics: 
  • It is used to monitor the charging current waveform of on - board chargers (OBC) in electric vehicles and optimize the thermal management strategy. 
  • In addition, it can also be used to test the current characteristics of various electronic control systems in vehicles to ensure the normal operation of the vehicle's electrical system.
  • Industrial Control: 
  • It is used to diagnose over - current faults in motor drives and verify the response speed of protection circuits. 
  • By monitoring the motor current, engineers can promptly detect abnormal conditions and take corresponding measures to avoid equipment damage and production accidents.

  Similar Models

  • Tektronix TCP0020: It is a high - performance AC/DC current probe in the same family as the TCP202A2.
  •  It is designed to be directly connected to oscilloscopes through the TekVPI probe interface6. 
  • It has a measurement range of 20 A rms and a maximum peak pulse current of 100 A8. Its bandwidth also supports 50 MHz, 
  • which is suitable for measuring AC and DC currents in high - frequency circuits2.
  • Tektronix TCP2020: This probe is designed for use with any instrument with BNC inputs and >100 kΩ input terminations6. 
  • It provides a maximum measurement range of 20 A rms and has a bandwidth of DC to 50 MHz, 
  • similar to the TCP202A2. However, its maximum peak pulse current is 100 A, which is higher than that of the TCP202A8.
  • Fluke 80i - 110S: This is a current probe produced by Fluke. It has a measurement range of 0 - 110 A and a bandwidth of DC to 100 kHz. 
  • Although its bandwidth is narrower than that of the TCP202A, 
  • it has good accuracy and stability in low - frequency current measurement and is suitable for some occasions 
  • where the measurement accuracy of low - frequency currents is required, such as power distribution cabinets and low - voltage electrical equipment testing.
  
  

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