Rigol RP1003C User manual

RIGOL
User’s Guide
RP1003C/RP1004C/RP1005C
Current Probe
Jan. 2013
RIGOL Technologies, Inc

RIGOL
RP1003C/RP1004C/RP1005C User’s Guide I
Guaranty and Declaration
Copyright
© 2013 RIGOL Technologies, Inc. All Rights Reserved.
Trademark Information
RIGOL is a registered trademark of RIGOL Technologies, Inc.
Publication Number
UGE19101-1110
Notices
RIGOL products are protected by patent law in and outside of
P.R.C.
RIGOL reserves the right to modify or change parts of or all the
specifications and pricing policies at company’s sole decision.
Information in this publication replaces all previously
corresponding material.
RIGOL shall not be liable for losses caused by either incidental or
consequential in connection with the furnishing, use or
performance of this manual as well as any information contained.
Any part of this document is forbidden to be copied or photocopied
or rearranged without prior written approval of RIGOL.
Product Certification
RIGOL guarantees this product conforms to the national and industrial
standards in China as well as the ISO9001:2008 standard and the
ISO14001:2004 standard. Other international standard conformance
certification is in progress.
Contact Us
If you have any problem or requirement when using our products,
please contact RIGOL Technologies, Inc. or your local distributors, or
visit: www.rigol.com.

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II RP1003C/RP1004C/RP1005C User’s Guide
General Safety Summary
Please review the following safety precautions carefully before putting
the instrument into operation so as to avoid any personal injuries or
damages to the instrument and any product connected to it. To prevent
potential hazards, please use the instrument only specified by this
manual.
Ground The Instrument.
The instrument is grounded through the Protective Earth lead of the
power cord. To avoid electric shock, it is essential to connect the earth
terminal of power cord to the Protective Earth terminal before any
inputs or outputs.
Observe All Terminal Ratings.
To avoid fire or shock hazard, observe all ratings and markers on the
instrument and check your manual for more information about ratings
before connecting.
Do Not Operate Without Covers.
Do not operate the instrument with covers or panels removed.
Avoid Circuit or Wire Exposure.
Do not touch exposed junctions and components when the unit is
powered.
Do Not Operate With Suspected Failures.
If you suspect damage occurs to the instrument, have it inspected by
qualified service personnel before further operations. Any maintenance,
adjustment or replacement especially to circuits or accessories must be
performed by RIGOL authorized personnel.

RIGOL
RP1003C/RP1004C/RP1005C User’s Guide III
Keep Well Ventilation.
Inadequate ventilation may cause increasing of temperature or
damages to the device. So please keep well ventilated and inspect the
intake and fan regularly.
Do Not Operate in Wet Conditions.
In order to avoid short circuiting to the interior of the device or electric
shock, please do not operate in a humid environment.
Do Not Operate in an Explosive Atmosphere.
In order to avoid damages to the device or personal injuries, it is
important to operate the device away from an explosive atmosphere.
Keep Product Surfaces Clean and Dry.
To avoid the influence of dust and/or moisture in air, please keep the
surface of device clean and dry.
Electrostatic Prevention.
Operate in an electrostatic discharge protective area environment to
avoid damages induced by static discharges. Always ground both the
internal and external conductors of the cable to release static before
connecting.

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IV RP1003C/RP1004C/RP1005C User’s Guide
Safety Terms and Symbols
Terms in this Manual. These terms may appear in this manual:
WARNING
Warning statements indicate the conditions or practices that
could result in injury or loss of life.
CAUTION
Caution statements indicate the conditions or practices that
could result in damage to this product or other property.
Terms on the Product. These terms may appear on the Product:
DANGER
indicates an injury or hazard may immediately happen.
WARNING
indicates an injury or hazard may be accessible potentially.
CAUTION indicates a potential damage to the instrument or other
property might occur.
Symbols on the Product. These symbols may appear on the
product:
Double
Insulation
Safety
Warning
Protective
Earth
Terminal
Chassis
Ground
Test
Ground

RIGOL
RP1003C/RP1004C/RP1005C User’s Guide V
Precautions
To avoid short circuits and potentially life-threatening hazards,
never connect the current probe to a circuit that operates at
greater than the maximum rated voltage or over bare conductors.
When conductors being measured carry in excess of the safe
voltage level and not more than the maximum rated voltage, to
prevent short circuits and electric shock while the core section is
open, make sure that conductors to be measured are insulated
with material conforming to the requirements of measurement
category, working voltage and pollution degree.
Isolate the output terminal of the probe from other terminals on
the measuring instrument using basic insulation conforming to the
requirements of measurement category, working voltage and
pollution degree.
The core and shield case of the current sensor are not insulated.
Please do not use the current sensor on bare conductors.
Be careful to avoid damaging the insulation surface while taking
measurements.
Please use the power supply provided with this product or other
power supply conforming to the specifications of this product.
Make sure that the power supply has a protective earthing with
double-insulation construction.
Make sure that the measuring instrument connected to the output
terminal of the current probe is equipped with a protective
earthing with double-insulation construction.
Core

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VI RP1003C/RP1004C/RP1005C User’s Guide
If the measuring instrument connected to the output terminal
(BNC) of the current probe is equipped with any other
measurement terminals, take the following precautions to ensure
that the other instrument does not form a bridge between the
probe and any hazardous live of a part.
a) Isolate the terminal of the probe from other terminals on the
measuring instrument using basic insulation conforming to
the requirements of measurement category, working voltage
and pollution degree.
b) If basic insulation requirement cannot be met between the
terminal to which the current probe is connected and other
terminals on the measuring instrument, make sure that the
voltage input to the measurement terminal does not exceed
the safe voltage level.
When using a measuring instrument that does not provide
isolation between its input terminals and chassis or other input
terminals, please do not connect the ground terminal to any
non-ground potential. Otherwise, short-circuit current will flow
through the power adaptor or current probe from the ground
terminal, which could cause an electrical accident or damage.
RP1003C and RP1004C:
×

RIGOL
RP1003C/RP1004C/RP1005C User’s Guide VII
RP1005C:
To avoid electric shock, do not allow the device get wet and
do not take measurement with wet hands.
To avoid electric shock when measuring live lines, wear
appropriate protective gear, such as insulated gloves, boots
and a safety helmet.
The device is not designed to be entirely water-proof or
dust-proof. To avoid damage, do not use it in a wet or dusty
environment.
The current sensor is a precision assembly including a molded
component, a ferrite core and a Hall effect element. It may be
damaged if subjected to sudden changes in ambient
temperature, or mechanical strain or shock.
The mating surfaces of the current sensor are precisely
ground and should be treated with care. If these surfaces are
scratched, the performance may be impaired.
Measurements are degraded by dirt on the mating surfaces
of the current sensor, so keep the surfaces clean by gently
wiping with a soft cloth.
To avoid damaging the current probe cable, do not bend or
pull the cable.
Keep the current sensor closed, except when clamping it
onto the conductor to be measured. The mating surface of
the core can be scratched when it is open.
Avoid stepping on or pinching the cable, which could damage
×

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VIII RP1003C/RP1004C/RP1005C User’s Guide
the cable insulation.
Keep the cables well away from heat sources, as bare
conductors could be exposed if the insulation melts.
Correct measurement may be impossible in the presence of
strong magnetic fields, such as near transformers and
high-current conductors, or in the presence of strong
electromagnetic fields such as near radio transmitters.
Do not store or use the device where it could be exposed to
direct sunlight, high temperature, humidity or condensation.
Under such conditions, the device might be damaged and
insulation may deteriorate so that it no longer meets
specifications.

RIGOL
RP1003C/RP1004C/RP1005C User’s Guide IX
General Inspection
1. Inspect the shipping container for damage
Keep the damaged shipping container or cushioning material until
the contents of the shipment have been checked for completeness
and the probe has passed both electrical and mechanical tests.
The consigner or carrier shall be liable for the damage to probe
resulting from shipment. RIGOL would not be responsible for free
maintenance/rework or replacement of the unit.
2. Inspect the probe
In case of any damage, or defect, or failure, notify your RIGOL
sales representative.

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X RP1003C/RP1004C/RP1005C User’s Guide
Contents
Guaranty and Declaration..........................................................I
General Safety Summary ......................................................... II
Safety Terms and Symbols.......................................................IV
Precautions............................................................................... V
General Inspection ..................................................................IX
Current Probe Overview ........................................................... 1
To Use the Current Probe.......................................................... 7
Measurement Preparations.........................................................7
Demagnetizing ..........................................................................8
Zero Adjustment......................................................................10
Measurement Steps .................................................................10
Precautions during Measurements.............................................12
Specifications.......................................................................... 16
Technical Parameters ...............................................................16
General Specifications..............................................................19
Appendix................................................................................. 21
Appendix 1 Amplitude Characteristics........................................21
Appendix 2 Relation between Max Input Current and Frequency .23
Appendix 3 Input Impedance (Typical)......................................25

RIGOL
RP1003C/RP1004C/RP1005C User’s Guide 1
Current Probe Overview
RP1003C, RP1004C and RP1005C current probes can detect the
current flowing through the conductor and convert it to voltage that
can be displayed on and measured by the measuring instrument.
Main Features:
Highly accurate current detection
Easy current measurement
Broadband frequency characteristics (RP1003C: DC to 50MHz;
RP1004C: DC to 100MHz; RP1005C: DC to 10MHz)
Compact design, permits measurement of low current levels
Easy protect function at excessive input
Unique thin film Hall effect element

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2 RP1003C/RP1004C/RP1005C User’s Guide
RP1003C Parts Overview
Figure 1 RP1003C Parts
Note: For more information of parts 1 to 7 in the figure above, refer to
the introductions on page 4.
Current Direction
Indication
On/Off Indication Terminator
Power Supply
Cable
Sensor Cable
5
2
7
4
3
1
6
Gain

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RP1003C/RP1004C/RP1005C User’s Guide 3
RP1004C Parts Overview
Figure 2 RP1004C Parts
Note: For more information of parts 1 to 7 in the figure above, refer to
the introductions on page 4.
Gain
Current Direction
Indication
On/Off Indication Terminator
Power Supply
Cable
Sensor Cable
5
2
7
4
3
1
6

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4 RP1003C/RP1004C/RP1005C User’s Guide
RP1005C Parts Overview
Figure 3 RP1005C Parts
1．Slide Switch
It is used to open and lock the current sensor. You are
recommended to lock the current sensor when measuring the
conductor to be measured to avoid danger.
For RP1003C and RP1004C, there are OPEN, FREE and LOCK
indications on one side of the slide switch. The on/off status of the
current sensor is related to the position of the slide switch.
When the slide switch is at the OPEN position, the current
sensor is open and at this point, the conductor to be
measured can be connected to the current sensor;
When the slide switch is at the FREE position, the current
sensor is closed but not locked;
When the slide switch is at the LOCK position, the current
Current Direction
Indication
On/Off Indication Terminator
Power Supply
Cable
Sensor Cable
2
7
4
3
1
6
Gain

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RP1003C/RP1004C/RP1005C User’s Guide 5
sensor is locked and at this point, the UNLOCK indication is
covered (cannot be seen).
For RP1005C, there are LOCK and UNLOCK indications on the slide
switch. The current sensor is locked when the LOCK indication is
displayed on the slide switch (the UNLOCK indication disappears).
2．Current Sensor
It is used to clamp the conductor to be measured and carries out
the actual current measurement. It is a precision assembly
including a molded component, a ferrite core and a Hall effect
element. It may be damaged if subjected to sudden changes in
ambient temperature, or mechanical strain or shock, and
therefore great care should be taken in handling it.
3．Demagnetizing Switch
It is used to demagnetizing the core if it has been magnetized by
switching the power on and off, or by an excessive input. Always
carry out demagnetizing before measurement. The demagnetizing
process takes about one second. During demagnetizing, the
current probe outputs a demagnetizing waveform.
4．Zero Adjustment Dial
Use the zero adjustment dial to correct for the effect of a DC
voltage offset or temperature drift on the device. When beginning
measurement, after demagnetizing always carry out zero
adjustment to adjust the baseline to zero.
5．Coarse Adjustment Trimmer (only applicable to RP1003C
and RP1004C)
When adjustment is not possible within the range of zero
adjustment dial, use a nonconductive screwdriver to (such as

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6 RP1003C/RP1004C/RP1005C User’s Guide
ceramic screwdriver) to adjust the baseline to the adjustable
range of the zero adjustment dial via the coarse adjustment
trimmer; then, use the zero adjustment dial to adjust the baseline
to zero.
6．Output Connector
This connector can be directly connected to the BNC input terminal
of the measuring instrument (such as oscilloscope or recorder), or
be connected to other measuring instrument via BNC-to-Banana
plug adaptor or similar adaptor. At this point, the current
waveform of the conductor under measurement is output at a
constant gain.
Note:
a) For RP1003C and RP1004C, 0.1V/A on the output connector is
the gain when the input impedance of the measuring
instrument is 1MΩ; the corresponding gain is
1/2×0.1V/A=0.05V/A when the input impedance of the
measuring instrument is 50Ω.
a) For RP1005C, 0.01V/A on the output connector is the gain
when the input impedance of the measuring instrument is
1MΩ; the corresponding gain is 1/2×0.01V/A=0.005V/A when
the input impedance is 50Ω.
7．Power Plug
Connect the power plug to the corresponding receptacle of the
power adaptor to supply power to the current probe terminator.
Note: To avoid electric shock, do not touch the portion beyond the
protective barrier during use.

RIGOL
RP1003C/RP1004C/RP1005C User’s Guide 7
To Use the Current Probe
Before using the current probe to measure the current of the device
under measurement, make measurement preparations and perform
demagnetizing and zero adjustment. Then, make measurements
according to the method described in Measurement Steps.
Note: You are recommended to read the Precautions during
Measurements before making measurements to avoid unnecessary
loss.
Measurement Preparations
1. Connect the power plug of the current probe to the power
adaptor.
2. Turn off the power adaptor and connect it to the power supply.
Note: The voltage of the power supply used should match the
rated supply voltage of the power adaptor.
3. Turn on the power adaptor and check whether the power indicator
lights.
Power Indicator

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8 RP1003C/RP1004C/RP1005C User’s Guide
Demagnetizing
The core can be magnetized by switching the power on and off, or by
an excessive input. Therefore, perform demagnetizing before making
measurements.
1. With the input of the measuring instrument at ground, set the
coupling of the measuring instrument to GND and adjust the
baseline to the zero position.
2. Set the coupling of the measuring instrument to DC.
3. Connect the output connector of the current probe to the BNC
input terminal of the measuring instrument. Turn the collar of the
output connector as shown in the figure below and check whether
it is locked securely.
Note: When disconnecting the output connector and the
measuring instrument, be sure to release the lock by rotating the
collar in the opposite direction of the arrow as shown in the figure
above before pulling off the connector. Forcibly pulling the
connector without releasing the lock or pulling on the cable can
damage the terminator.
4. Make sure the current sensor is locked (for RP1003C and RP1004C,
Collar