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P6015A
1000X High Voltage Probe
070-8223-05
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
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 and TEK are registered trademarks of Tektronix, Inc.
Table of Contents
General Safety Summaryv............................
Service Safety Summaryvii.............................
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.
Only qualified personnel should perform service procedures.
To Avoid Fire or Personal Injury
Connect and Disconnect Properly. Do not c onnect or disconnect probes
or test leads while they are connected to a voltage source.
Connect and Disconnect Properly. Conne ct the probe output to the
measurement instrument before connecting the probe to the circuit
under test. Connect the probe reference lead to the circuit under test
before connecting the probe input. Disconnect the probe input and
the probe reference lead from the circuit under test before disconnecting the probe from the measurement instrument.
Ground the Product. This product is indirectly grounded through the
grounding conductor of the mainframe power cord. To avoid electric
shock, the grounding conductor must be connected to earth ground.
Before making connections to the input or output terminals of the
product, ensure that the product is properly grounded.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all
ratings and markings on the product. Consult the product manual for
further ratings information before making connections to the product.
The inputs are not rated for connection to mains or Category II, III,
or IV circuits.
Connect the probe reference lead to earth ground only.
Do not apply a potential to any terminal, including the common
terminal, that exceeds the maximum rating of that terminal.
Do Not Operate Without Covers. Do not operate this product with
covers or panels removed.
Do Not Operate With Suspected Failures. If you suspect there is damage
to this product, have it inspected by qualified service personnel.
]
P6015A Instruction Manual
v
General Safety Summary
Avoid Exposed Circuitry. Do not touch exposed connections and
components when power is present.
Do Not Operate in Wet/Damp Conditions.
Do Not Operate in an Explosive Atmosphere.
Keep Product Surfaces Clean and Dry.
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.
Symbols and Terms on the Product
These terms may appear on the product:
HDANGER indicates an injury hazard immediately accessible as
you read the marking.
HWARNING indicates an injury hazard not immediately
accessible as you read the marking.
HCAUTION indicates a hazard to property including the product.
The following symbol(s) may appear on the product:
CAUTION
Refer to Manual
WARNING
High Voltage
vi
Earth Terminal
]
P6015A Instruction Manual
Service Safety Summary
Only qualified personnel should perform service procedures. Read
this Service Safety Summary and the General Safety Summary before
performing any service procedures.
Do Not Service Alone. Do not perform internal service or a djustments
of this product unless another person capable of rendering first aid
and resuscitation is present.
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.
P6015A Instruction Manual
vii
Environmental Considerations
This section provides information about the environmental impact of
the product.
Product End-of-Life Handling
Observe the following guidelines when recycling an instrument or
component:
Equipment Recycling. Production of this equipment required the
extraction and use of natural resources. The equipment may contain
substances that could be harmful to the environment or human health
if improperly handled at the product’s end of life. In order to avoid
release of such substances into the environment and to reduce the use
of natural resources, we encourage you to recycle this product in an
appropriate system that will ensure that most of the materials are
reused or recycled appropriately.
The symbol shown to the left indic at es t hat this
product complie s with t he European Union’s
requirement s ac cording t o D
on waste electrical and
(WEEE).
electronic equipment
irective 2002/96/EC
Restriction of Hazardous Substances
This product has been classified as Monitoring and Control
equipment, and is outside the scope of the 2002/95/EC RoHS
Directive. This product is known to contain lead, cadmium, mercury,
and hexavalent chromium.
viii
P6015A Instruction Manual
User Information
Overview
The P6015A is a ground-referenced 100 MΩ, 3.0 pF high vol tage
probe with 1000X attenuation. It adds high-voltage measurement
capability to oscilloscopes and other measurement devices having an
input resistance of 1 MΩ and an input capacitance of 7 pF to 49 pF.
WARNING. Due to the inherent hazards associated with taking
high-voltage measurements, this product is intended for use by
qualified personnel who have had the training to take these types of
measurements.
Read and follow the precautions specified in this manual.
The P6015A consists of two major assemblies: the probe body and
the compensation box (see Figure 1--1).
H The probe body houses the probe tip, head, and ground lead. The
probe body is made of high-impact thermoplastic that provides
mechanical protection for the probe’s internal components and
electrical protection for the user.
H The compensation box connects a ground-referenced oscilloscope
or other grounded measuring device and has a cable that attaches
to the probe body. The compensation box contains an adjustment
network to optimize frequency response up to 75 MHz.
WARNING. To avoid shock, keep hands and fingers behind the guard
ring on the probe when the probe is connected to voltages.
P6015A Instruction Manual
1- 1
Overview
Guard Ring
Figure 1- 1: The P6015A High-Voltage Probe
1- 2
P6015A Instruction Manual
Readout Option
P6015A compensation boxes that feature the readout option have a
pin protruding from the BNC connector (Figure 1--2). Some models
of Tektronix oscilloscopes (11000 Series and Digital Storage
Oscilloscopes) read the code presented by this pin and automatically
scale the P6015A measurements by a factor of 1000 to compensate
for attenuation.
1000X Readout Pin
Overview
Figure 1- 2: Compensation Box with Readout Option
P6015A Instruction Manual
1- 3
Overview
Standard Accessories
The P6015A comes with the following accessories:
H ground lead and plug-on clip
H hook-shaped probe tip
H banana-plug probe tip
H carrying case
H instruction manual
Options
The standard P6015A has a 10-ft cable without 1000X readout. The
following options are available:
H Option 1R: 10-ft cable and 1000X readout
H Option 25: 25-ft cable, no readout
H Option 2R: 25-ft cable and 1000X readout
1- 4
P6015A Instruction Manual
Setup
Ground Lead
This section tells you how to assemble the P6015A modules as you
unpack them from the carrying case. Refer to Figure 1 --3 while
following these steps:
Handle
Inner Body
Figure 1- 3: Assembling the P6015A
P6015A Instruction Manual
Outer Body
1- 5
Setup
1. Insert the end of the cable into the narrow end of the handle and
feed the BNC out the other side.
2. Connect the cable to the BNC on the probe head.
3. Screw the handle into the outer body.
4. Plug the crocodile ground clip onto the ground lead if it is not
already attached.
5. Read In Detail, beginning on page 1--7, before attempting to
make probe measurements.
1- 6
P6015A Instruction Manual
In Detail
Before you make any oscilloscope measurement, observe all safety
precautions described in the user and service manuals for the
equipment you are working on. Some general rules about servicing
electrical equipment are worth repeating here.
H Observe the safety instruction symbols for the equipment you are
working on.
H Consult the service manual for the equipment you are working
on.
H Don’t operate or service an electrical device in an explosive
atmosphere.
H Avoid personal injury by never touching exposed connections or
components in the circuit-under-test when the power is on.
General Guidelines
To make high-voltage measurements with the P6015A probe, first
connect the BNC connector of the probe compensation box to the
measurement device (oscilloscope, digital voltmeter, etc.). Next,
connect the ground clip of the probe to a ground point of the circuit
under test. After you have made these connections, you are ready to
connect the probe tip to a high-voltage point.
Handheld Operation
The P6015A probe is designed for handheld use when used with the
straight or hook shaped probe tips. When using the straight tip, the
probe should be held by the plastic handle, behind the probe guard
ring, and the tip should be held against the high voltage test point.
The hook shaped tip can be used to hang the probe from a bus bar,
wire loop, or other test point.
P6015A Instruction Manual
1- 7
In Detail
WARNING. When measuring high voltages, avoid contact with or
close proximity to any electrically conductive surface with your
body. Keep hands and fingers behind the guard ring on the probe.
WARNING. Make sure that the circuit is deenergized, and that any
stored energy is completely discharged before probe installation or
removal. Failure to discharge the circuit may cause serous or fatal
shock.
CAUTION. When mounting the probe into test fixtures, the duration
ratings in Table 1--1 on page 1--10 must be followed. Only clamp
onto the metal shield section of the probe when mounting the probe.
Intense electric fields are present when the probe is connected to a
high voltage source. Attaching a conductive or dielectric mount
beyond the metal shield may result in poor response characteristics
or probe damage.
1- 8
Readout
If your P6015A has the readout option and is being used with an
instrument having readout capability, the display automatically
corrects for the probe attenuation factor. (Refer to Overview on
page 1--1 for information about the P6015A readout option.)
If your instrument does not recognize the readout correction,
multiply your voltage measurements by 1000.
NOTE. Some oscilloscopes may misinterpret the 1000X attenuation
code. Contact your local Tektronix representative if you have
questions.
P6015A Instruction Manual
In Detail
Probe Placement
CAUTION. Probe placement can be critical in some applicat ions.
To minimize Device-Under-Test circuit loading, the P6015A input
resistance is very large and input capacitance is very small. Small
changes in capacitance near the input resistor will affect the
accuracy of the measurement. These changes can result from placing
the probe tip near conductive surfaces. Changes in the input
capacitance will change the probe compensation, causing the leading
edge of pulses to overshoot or undershoot the true pulse amplitude.
The time constant will not be visible on shorter pulses where the
entire top of the measured waveform will appear to be the wrong
amplitude. Surfaces connected to the input signal will peak the
response, resulting in overshoot, while those that are static or
grounded will dampen the response, resulting in an undershoot.
To minimize the chance of changing the probe compensation, do not
allow the conductor, to which the probe is attached, to pass along the
side of the probe body. Keep the probe perpendicular to the attached
conductor or at the end of a dedicated test lead. If the test configuration does not allow this, minimize the error by readjusting the probe
compensation by connecting the probe to the calibration generator
that closely duplicates the physical configuration used in the actual
measurement.
P6015A Instruction Manual
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