Tektronix P3010 Manual de usuario

Instructions

P3010

100 MHz 10X Passive Probe

With Readout

071-0466-00

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.

Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

P3010 Passive Probe Instructions 1

General Safety Summary

Review the following safety precautions to avoid injury and prevent

damage to this product or any products connected to it. To avoid

potential hazards, use this product only as specified.

To Avoid Fire or Personal Injury

Observe Maximum Working Voltage. Do not use the P3010 probe above

300 VRMS, CAT II. Refer to the derating chart, Figure 2, on page 12.

Connect and Disconnect Properly. Connect the probe output to the

measurement instrument before connecting the probe to the circuit

under test. Disconnect the probe input and the probe ground from the

circuit under test before disconnecting the probe from the measure-

ment instrument.

Do Not Elevate the Common Terminal. The common terminal is at

ground potential. Do not connect the common terminal to elevated

voltages.

Do Not Operate With Suspected Failures. If you suspect there is damage

to this product, have it inspected by qualified service personnel.

Do Not Operate in Wet/Damp Conditions.

Do Not Operate in an Explosive Atmosphere.

Keep Product Surfaces Clean and Dry.

Safety Terms and Symbols

Terms in This Manual. These terms may appear in this manual:

WARNING. Warning statements identify conditions or practices that

could result in injury or loss of life.

CAUTION. Caution statements identify conditions or practices that

could result in damage to this product or other property.

2P3010 Passive Probe Instructions

Features and Accessories

The P3010 probe is compatible with TDS3000 series 100 MHz

oscilloscopes. The probe is also compatible with Tektronix

oscilloscopes that automatically detect probe attenuation and adjust

the scale readout accordingly.

NOTE. Remove and discard the protective cover on the tip of the

probe before attempting to connect a probe tip accessory.

BNC-to-probetip adapter. To install the adapter,

push the wide end firmly into a BNC connector.

Then insert the probe tip firmly into the adapter.

Retractable hook tip. Use the retractable hook tip to

make hands-free measurements.

NOTE. For a solid connection, firmly push and

twist the hook tip onto the probe tip before using.

Readout Pin

Readout pin. The P3010 is compatible with Tektro-

nix oscilloscopes that automatically detect and

display the attenuation factor of the probe.

Features and Accessories

P3010 Passive Probe Instructions 3

Marker rings. Attach the matching colored rings

onto the probe cable and tip as shown.

Adjustment tool. Use the adjustment tool for probe

compensation adjustments.

Features and Accessories

4P3010 Passive Probe Instructions

Guard

Guard. The guard provides a finger barrier for

protection from electric shock.

WARNING. To avoid electric shock when using the probe, keep

fingers behind the guard on the probe body.

Ground Lead. Use the alligator clip to attach the

probe to a ground reference.

Long Ground Lead

Short Ground Lead

To see the best signal, use the shortest possible ground lead and

signal path.

P3010 Passive Probe Instructions 5

Maintenance

This section describes how to maintain the probe.

Low-Frequency Probe Compensation

Before taking any measurements using a probe, first check the

compensation of the probe and adjust it to match the channel inputs.

Most oscilloscopes have a square wave reference signal available at

a terminal on the front panel used to compensate the probe.

1. Connect the probe to the signal source to display a 1 kHz test

signal on your oscilloscope.

2. Adjust the LF trimmer on the probe so that the corners of the

square wave are square and the top is flat.

1 kHz

LF trimmer

Maintenance

6P3010 Passive Probe Instructions

High-Frequency Probe Compensation

The probe high-frequency compensation should seldom require

adjustment; however, your probe may require high-frequency

adjustment if any of the following are true:

Hthe probe has high-frequency aberrations

Hthe probe does not perform at the rated bandwidth

Hyou have installed the probe on an oscilloscope having an input

capacitance near the limits of the probe compensation range (See

Table 1.)

To perform the high-frequency compensation adjustment you will

need a signal source that has all of the following characteristics:

1 MHz

tr<1 ns

90%

10%

>1 Vp-p

Hsquare-wave output at 1 MHz

Hfast rise output with rise time less than 1 ns

Houtput properly terminated

Maintenance

P3010 Passive Probe Instructions 7

1. Connect the probe to the signal source to display a 1 MHz test

signal on your oscilloscope. The display should be similar to that

shown in Figure 1(a).

2. Adjust the HF trimmer until the waveform is flat on top and has a

square leading edge.

(a) Area Of Waveform Affected By

HFAdjustment (b) Location of HF Adjustment

10 ns

HFtrimmer

Figure 1: HF Compensation

Cleaning

To prevent damage to probe materials, avoid using chemicals that

contain benzine, benzene, toluene, xylene, acetone, or similar

solvents.

Do not immerse the probe or use abrasive cleaners.

Dirt may be removed with a soft cloth dampened with a mild

detergent and water solution, or isopropyl alcohol.

Maintenance

8P3010 Passive Probe Instructions

Replacing Probe Parts

Other than accessories, only the probe tip is replaceable.

Replacement probe tips are available as optional accessories. Refer

to the replaceable parts list at the end of this manual for more

information.

To remove a tip assembly, firmly grasp the pointed tip with pliers

and withdraw the assembly from the barrel.

No tools are required to install a replacement tip. Insert a new probe

tip into the probe barrel as far as possible using finger pressure. If

necessary, seat the plastic portion of the tip against the probe barrel

by pressing the tip gently but firmly against a hard surface, such as a

wood block or table top.

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