DC Coupled Current Probe
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Features & Benefits

  • Easy Current Measurements
  • Probe Connects Directly to TDS Scope through TEKPROBE™ BNC Interface
  • Split Core Construction for Easy Circuit Connection
  • DC to 50 MHz Bandwidth
  • 15 Amps DC + Peak AC Current
  • 50 Amps Peak Pulse Current
  • 500 × 10-6 Ampere-Sec Product
  • Safety Certified


  • Motor Drives
  • Switching Power Supplies
  • Disk Drive
  • Electronic Ballasts
  • Inverters
  • Avionics

TCP202 DC Coupled Current Probe

When combined with a Tektronix TDS oscilloscope, the TCP202 enables users to make direct readout DC and AC current measurements, resulting in accurately displayed and recorded measurements.

The TCP202 is a general-purpose probe for displaying and measuring current in electronic circuits. It is ideal for power supply and motor drive design, and for device testing.

Recommended Oscilloscopes

All TDS3000C and TDS5000B Series oscilloscopes. Also operational with TDS500, TDS600, and TDS700 Series, recommended with use of calibration fixture (015-0672-50) for best accuracy.

For TCP202 operation with other TDS400, TDS500, TDS600, and TDS700 Series oscilloscopes, the scale factor will be correct but measurement will be indicated as V instead of A.

Increase the Accuracy of Your Current Measurements


The accuracy of the TCP202 AC/DC current probe is normally 3%. However, the accuracy may be improved to 1% when the probe is calibrated on certain TDS oscilloscope models using the optional Calibrator P/N 015-0672-50. This improved accuracy is available on the TDS500, TDS600, and TDS700 Series, however the optional calibrator is only functional with the TDS500, TDS600, or TDS700 Series oscilloscope calibrator pins. The calibration fixture is not required for TDS3000C and TDS5000B Series oscilloscopes.





DC to 50 MHz

Max DC + Peak AC Current

15 A

Max Peak Pulse Current

50 A

Minimum Sensitivity

10 mA/div

DC Accuracy

±1% (with probe calibrator)

±3% (without probe calibrator)

Max Bare-wire Voltage

300 V (CAT I)

Typical Characteristics



Insertion Impedance

0.002 Ω at 1 kHz

0.1 Ω at 5 MHz

Propagation Delay

17 ns

Max Conductor Diameter

3.8 mm (0.15 in.)

Electrostatic Immunity

(per IEC 801-2) >8 kV

Ampere-Sec Product

500 × 10-6 Amp × Sec

Rise Time

≤7.0 ns

Physical Characteristics




0.19 kg (0.44 lb.)

Cable Length

2.2 m (7.2 ft.)

Power Requirements

TCP202 is powered by the TDS oscilloscope through the TEKPROBE interface


UL 3111-1, CSA1010.1, EN61010-1, IEC61010-1, EN61010-2-032, IEC61010-2-032

Last Modified: 2012-07-30 05:00:00

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