Tektronix P5205 Instruction Manual
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Tektronix P5205 Instruction Manual

Tektronix P5205 Instruction Manual

High voltage differential probe
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Instruction Manual
P5205
High Voltage Differential Probe
070-9472-01
www.tektronix.com

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  • Page 1 Instruction Manual P5205 High Voltage Differential Probe 070-9472-01 www.tektronix.com...
  • 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. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077 TEKTRONIX, TEK, and TEKPROBE are registered trademarks of Tektronix, Inc.
  • Page 3 Tektronix, shipping charges prepaid, and with a copy of customer proof of purchase. 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.

  • Page 5: Table Of Contents

    ..........Differential Gain Accuracy ......P5205 Instruction Manual...
  • Page 6 ........Mfr. Code to Manufacturer Cross Index ....P5205 Instruction Manual...
  • Page 7 Figure 13: Slide probe leads onto the binding posts ..Figure 14: P5205 Probe and replaceable accessories ..Figure 15: Replaceable parts - - compensation box .
  • Page 8 ....Table 8: Parts List Column Descriptions ....P5205 Instruction Manual...

  • Page 9: General Safety Summary

    Only qualified personnel should perform service procedures. Observe Maximum Working Voltage Do not use the P5205 above 1,000 V CAT II from ground on either input or ± 1,300 V (DC + peak AC) between the leads.

  • Page 10: Safety Terms And Symbols

    CAUTION indicates a hazard to property including the product. Symbols on the Product. These symbols may appear on the product: Double Protective Ground CAUTION WARNING Insulated (Earth) Terminal Refer to Manual High Voltage P5205 Instruction Manual...

  • Page 11: Service Safety Summary

    Use Care When Servicing with Power On. Dangerous voltages or currents may exist in this product. Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components. To avoid electric shock, do not touch exposed connections. P5205 Instruction Manual...

  • Page 12: Contacting Tektronix

    This phone number is toll free in North America. After office hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices. P5205 Instruction Manual viii...

  • Page 13: Getting Started

    Features and Accessories The P5205 probe shown in Figure 1 provides a safe means of measuring circuits with floating high voltages. The probe outputs a low-voltage, ground-referenced signal for display on instruments...
  • Page 14 Getting Started Figure 1: High Voltage Differential Probe P5205 Instruction Manual...
  • Page 15 Getting Started The P5205 has several features and accessories that make probing and measurement a simpler task. Take a moment to familiarize yourself with these items and their uses. Differential Inputs. The inputs are rated to safely accept a maximum of 1,000 V...
  • Page 16 NOTE. Above 10 MHz, the extension leads degrade the high frequency performance of the P5205 probe. See Figure 4 on page 14. Plunger Clamps. The plunger clamps have long sleeves with retracting hooks.
  • Page 17 To use the marker bands, attach one band near the probe head and the matching band near the compensa- tion box. P5205 Instruction Manual...

  • Page 18: Installation

    Getting Started Installation Install the P5205 probe as follows: 1. Connect the output of the probe to the TEKPROBE input of the oscilloscope or other measurement instrument. The measurement instrument input must have a ground reference. NOTE. Use the 1103 TEKPROBE Power supply if the instrument does not have the TEKPROBE interface.

  • Page 19: Functional Check

    Getting Started Functional Check To make a simple functional check of the P5205 probe, select a source that supplies AC line voltage and use the following procedure. This procedure verifies a majority of the circuitry within the probe. For a complete performance verification, refer to the Performance Verification section starting on page 27.
  • Page 20 Getting Started P5205 Instruction Manual...

  • Page 21: Operating Basics

    Operating the Probe Safely Before connecting the inputs of the probe to a circuit, read the safety information in this section, and attach the appropriate accessories to the input connectors of the probe. P5205 Instruction Manual...

  • Page 22: Minimizing Risk Of Rf Burn (Probe Leads)

    If you need to use the probe within the risk area for RF burn, power down the source before connecting or disconnecting the probe leads. Maximum Input Limits CAUTION. To avoid damaging the input circuitry of the P5205 probe, do not apply a voltage that is more than 1,000 V CAT II between either input and ground or more than 1,300 V (DC + peak AC) between the two inputs.

  • Page 23: Operating Characteristics And Probing Techniques

    Operating Limits The P5205 probe has two operating ranges that you select with the ATTENUATION button on the front panel: H Select the 50X range for inputs of 0 V to 130 V (DC + peak AC).

  • Page 24: Overrange Detection

    Common-Mode Rejection The common-mode rejection ratio (CMRR) is the specified ability of P5205 probe to reject signals that are common to both inputs. More precisely, CMRR is the ratio of the differential gain to the common- mode gain. The higher the ratio, the greater the ability of probe to reject common-mode signals.

  • Page 25: Extension Leads

    10 MHz may not be as precise. Figure 4 on page 14 shows the affect on HF transient response. The extension leads do not affect the performance of the probe when bandwidth is set to 5 MHz. P5205 Instruction Manual...

  • Page 26: Probe Loading

    For a graph of frequency versus input impedance, refer to Figure 6 on page 19. The probe has virtually no loading effect on sources with relatively low impedance and low frequency. P5205 Instruction Manual...

  • Page 27: Specifications

    Specifications The specifications in Tables 2 through 6 apply to a P5205 probe installed on a Tektronix TDS 460A oscilloscope. When the probe is used with another oscilloscope, the oscilloscope must follow these specifications: H An input impedance of 1 MΩ...

  • Page 28: Table 3: Certifications And Compliances

    UL3111-1 - Standard for electrical measuring and test equipment IEC 10106-2-031 - Particular requirements for hand-held probe assemblies for electrical measurement and test CAN/CSA-C22.2 No. 1010.1-92 and CAN/CSA-C22.2 No. 1010.2.031-94 - Safety requirements for electrical equipment for measurement, control, and laboratory use P5205 Instruction Manual...

  • Page 29: Typical Characteristics

    AC Noise 50X: < 50 mV (referenced to input) 500X: < 300 mV Input Impedance 8 MΩ, 3.5 pF between inputs 4 MΩ, 7 pF between each input and ground See Figure 6 Propagation Delay 17 nS P5205 Instruction Manual...

  • Page 30: Figure 5: Typical Common-Mode Rejection Ratio

    Table 5: Typical Mechanical Characteristics 7.2 in × 2.6 in × 1.3 in Dimensions, Case (185 mm × 66 mm × 32 mm) Dimensions, Input Leads 12 in (30 cm) Dimensions, Output Cable 6 ft (1.8 m) P5205 Instruction Manual...

  • Page 31: Nominal Characteristics

    Table 6: Nominal Electrical Characteristics Input Type Balanced differential Single-ended. Source Impedance of 50 Ω Output Type drives 1 MΩ oscilloscope input. Load impedance must be greater than 50 kΩ for stated accuracy P5205 Instruction Manual...
  • Page 32 Specifications Table 6: Nominal Electrical Characteristics (Cont.) Gain Switchable: 1/50 (“50X”) and 1/500 (“500X”) Audible Overrange Audible over range sounds whenever ON, and over range LED is lit. P5205 Instruction Manual...

  • Page 33: Maintenance

    For terms of the product warranty, refer to the front of this manual. Should the probe require replacement under terms of the warranty, return the probe to a Tektronix service center. Refer to page 25 for packaging instructions. For a list of replaceable parts, refer to the Replaceable Parts section on page 33.

  • Page 34: Figure 7: Replacing Tekprobe Interface Pins

    If necessary, seat the pin into the connector by pressing the tip of the pin gently but firmly against a hard surface. Figure 7: Replacing TEKPROBE interface pins P5205 Instruction Manual...

  • Page 35: Removing And Replacing The Tekprobe Interface Collar

    Figure 8. Align the tab to the slot and gently press the two pieces together. See Figure 8. Once installed, the TEKPROBE collar should rotate freely to lock and unlock. Slot Figure 8: Replacing the TEKPROBE collar P5205 Instruction Manual...

  • Page 36: Removing The Compensation Box Covers

    Refer to Figure 10 on page 25. 2. Press the catches of the bottom cover in and lower the top cover. 3. Slide the tab into the notch. 4. Firmly press the pieces together until the cover catches snap into place. P5205 Instruction Manual...

  • Page 37: Packaging For Return Shipment

    If possible, use the original packaging to return the probe to Tektronix. Include the following information: name of purchaser, return address, name and phone number of a person that Tektronix may contact, date of purchase, and a description of the defect.
  • Page 38 Maintenance P5205 Instruction Manual...
  • Page 39 WARNING The following servicing instructions are for use only by qualified personnel. To avoid injury, do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so. Refer to all safety summaries before performing any service.

  • Page 41: Performance Verification

    Modified BNC BNC-male-to-dual 103-0035-00 Interconnection be- adapter binding post tween probe and gen- erator. (See Figures 11 and 13). BNC adapter BNC-female-to-dual 103-0090-00 Interconnection be- banana tween probe and gen- erator P5205 Instruction Manual...

  • Page 42: Construction Of Modified Bnc Adapter

    Figure 11: BNC-male-to-dual binding post adapter To expose the posts that you will connect the P5205 High- - Voltage Differential probe leads to, remove the black and red plastic post covers of the BNC - male - to - dual adapter. Use a pair of pliers and a vise to remove the plastic covers, as shown in Figure 12 on page 29.

  • Page 43: Setup

    Setup WARNING. These procedures require the application of high voltage to the inputs of the P5205 probe. Because this adapter has exposed metal surface, only qualified personnel should perform testing with voltage levels that exceed 40 V rms. Only qualified personnel should perform these procedures.

  • Page 44: Differential Gain Accuracy

    Modified BNC adapter (see Figure 13). Modified BNC adapter (+) Post (- - ) Post Banana plug of probe input lead Figure 13: Slide probe leads onto the binding posts P5205 Instruction Manual...

  • Page 45: Bandwidth

    3. Set the Volts/Division on the oscilloscope to 1 V and sec/div to 20 s. 4. Set the bandwidth on the probe to FULL and the attenuation button to 50X. 5. Set the sine wave generator to 50 kHz and the amplitude to display 6 divisions on screen. P5205 Instruction Manual...

  • Page 46: Dc Cmrr

    8. Enable the output. 9. Check that the trace on the oscilloscope shifts less than 3.33 divisions (167 mV) from center. 10. Disable the calibrator output and disconnect all test equipment. This completes the performance verification procedure. P5205 Instruction Manual...

  • Page 47: Replaceable Parts

    Replaceable Parts This section contains a list of the replaceable modules for the P5205 probe. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative. Changes to Tektronix instruments are sometimes made to accommo- date improved components as they become available and to give you the benefit of the latest circuit improvements.

  • Page 48: Abbreviations

    Abbreviations conform to American National Standard ANSI Y1.1- - 1972. Mfr. Code to Manufacturer Cross Index The table titled Manufacturers Cross Index shows codes, names, and addresses of manufacturers or vendors of components listed in the parts list. P5205 Instruction Manual...

  • Page 49: Figure 14: P5205 Probe And Replaceable Accessories

    Replaceable Parts Figure 14: P5205 Probe and replaceable accessories P5205 Instruction Manual...
  • Page 50 Replaceable Parts P5205 Instruction Manual...
  • Page 51 Replaceable Parts P5205 Instruction Manual...
  • Page 52 Replaceable Parts P5205 Instruction Manual...
  • Page 53 Replaceable Parts P5205 Instruction Manual...
  • Page 54 Replaceable Parts P5205 Instruction Manual...

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