Tektronix CT-1 Instruction Manual
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Tektronix CT-1 Instruction Manual

Tektronix CT-1 Instruction Manual

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Instructions
CT-1/CT-2
Current Transformer
070-7957-01

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Summary of Contents for Tektronix CT-1

  • Page 1 Instructions CT-1/CT-2 Current Transformer 070-7957-01...
  • Page 2 Copyright © Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Printed in the U.S.A.

  • Page 3: Warranty

    Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.

  • Page 5: General Safety Summary

    CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property. Symbols on the Product. The following symbols may appear on the product: WARNING Protective Ground CAUTION Double High Voltage (Earth) Terminal Refer to Manual Insulated CT-1/CT-2 Current Transformer...
  • Page 6 General Safety Summary CT-1/CT-2 Current Transformer...
  • Page 7 Figure 1: CT-1 current probe The CT-1 and CT-2 are available as separately purchased units (Option 09). See the Replaceable Parts List at the end of this manual for ordering information. This manual provides information on four subjects:...
  • Page 8 Due to bidirectional compatibility, the CT-1 and CT-2 can be used to inject a signal or as an interstage transformer. The probes inductively measure current through a conductor and develop a voltage proportional to the current.
  • Page 9 (preferred connection) Figure 3: CT-2 frequency response vs. DC current The CT-1 and CT-2 consist of a current transformer and a flexible probe cable that attaches between the transformer and the oscilloscope. In addition, the CT-1 and CT-2 have an internal termination resistor that reduces reflections that allows the transformer to be disconnected from the probe cable and left in the circuit.

  • Page 10: Specifications

    Specifications Table 1 lists the electrical characteristics of the CT-1 and CT-2 Transformers when they are connected to the P6041 Probe cable. The environmental and physical characteristics follow Tables 1 and 2. Table 1: Electrical characteristics Specification CT-1 with P6041 Probe...
  • Page 11 Specifications Table 2: General specifications (CT-1 and CT-2) Environmental Meets all Class IV instrument specifications Operating Temperature 0_ C to +55_ C Nonoperating Temperature –62_ C to +82_ C Mechanical Hole size: Dimensions CT-1 1.78 mm (0.070 in.) CT-2 1.32 mm (0.052 in.)

  • Page 12: Operation

    250 ps fast-rise pulse generator and the output of the CT-2 as seen by a 100 MHz oscilloscope system. If the CT-1 or CT-2 is connected so that the positive (+) label side faces the signal source, the input current and output voltage will be in phase. This is the preferred connection.
  • Page 13 Pulse width, tilt, and the lower 3 dB frequency are related by the formula: Percent tilt = 200π Tp f Where: Tp = pulse width = lower 3 dB frequency 20 ms/div 10 mA/div Output Input voltage current 0.3 A Figure 6: CT-1 decay characteristics referenced to front corner CT-1/CT-2 Current Transformer...

  • Page 14: Probe Handling

    Tektronix for replacement. CAUTION. Dropping the CT-1 or CT-2 transformer may break the probe. Do not pull or stretch the P6041 cable or place objects on the cable. This may damage the probe cable.

  • Page 15: Parts Ordering Information

    Replaceable Parts List This section contains a list of the replaceable parts for the CT-1 and CT-2. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative.
  • Page 16 Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow. Tektronix part number Use this part number when ordering replacement parts from Tektronix. 3 and 4 Serial number Column three indicates the serial number at which the part was first effective. Column four indicates the serial number at which the part was discontinued.
  • Page 17 Replaceable Parts List Recommended accessories Figure 8: CT-1 and CT-2 accessories Replaceable parts list Fig. & Tektronix Serial no. Serial no. index part number effective discont’d Name & description Mfr. code Mfr. part number number CURRENT TRANSFORMER:CT-1 OR CT-2 WITH...
  • Page 18 Replaceable Parts List CT-1/CT-2 Current Transformer...

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Ct-2

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