R&S RT-ZC20 Manual de usuario
R&S®RT-ZC20
Current Probe
User Manual
1409781402
Version 03
(>9Ü>2)
www.allice.de
Allice Messtechnik GmbH
This manual describes the following R&S products:
●R&S®RT-ZC20, Current Probe (1409.7766.02)
●R&S®RT-ZA13, Probe Power Supply (1409.7789.02)
© 2020 Rohde & Schwarz GmbH & Co. KG
Mühldorfstr. 15, 81671 München, Germany
Phone: +49 89 41 29 - 0
Email: [email protected]
Internet: www.rohde-schwarz.com
Subject to change – data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.
1409.7814.02 | Version 03 | R&S®RT-ZC20
The following abbreviations are used in this manual: R&S®RT-ZC20 is abbreviated as R&S RT-ZC20, and
R&S®RT-ZA13 is abbreviated as R&S RT-ZA13.
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Allice Messtechnik GmbH
Contents
R&S®RT-ZC20
3User Manual 1409.7814.02 ─ 03
Contents
1Notes on Safety......................................................................5
2 Product Description............................................................ 10
2.1 Product Overview............................................................................... 10
2.2 Key Features....................................................................................... 10
2.3 Inspecting the Contents..................................................................... 10
2.4 Description of the Probe.................................................................... 11
3 Putting into Operation.........................................................13
3.1 Preparing the Measurement...............................................................13
3.2 Connecting the Probe to the Oscilloscope...................................... 15
3.3 Demagnetizing and Zero Adjustment............................................... 16
3.4 Connecting the Probe to the DUT..................................................... 17
4 Maintenance and Service....................................................23
4.1 Cleaning...............................................................................................23
4.2 Contacting Customer Support...........................................................23
4.3 Returning for Servicing...................................................................... 24
4.4 Calibration Interval............................................................................. 24
4.5 Discarding the Product...................................................................... 25
5 R&S RT-ZA13 Probe Power Supply....................................26
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Contents
R&S®RT-ZC20
4User Manual 1409.7814.02 ─ 03
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Allice Messtechnik GmbH
Notes on Safety
R&S®RT-ZC20
5User Manual 1409.7814.02 ─ 03
1 Notes on Safety
Thank you for purchasing the R&S RT-ZC20 current probe.
To obtain maximum performance from the device, please read this manual first,
and keep it handy for future reference.
Risk of physical injury
This device is designed to comply with IEC 61010 Safety Standards, and
has been thoroughly tested for safety before shipment. However, mishan-
dling during use could result in injury or death, and damage to the device.
Be certain that you understand the instructions and precautions in the man-
ual before use.
Follow these precautions to ensure safe operation and to obtain the full benefits
of the various functions.
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Allice Messtechnik GmbH
Notes on Safety
R&S®RT-ZC20
6User Manual 1409.7814.02 ─ 03
Risk of fatal injury
●To avoid electric shock and short circuits, never attach the clamp to
bare, unisolated conductors.
Make sure to measure at a location on an insulated wire where the insu-
lation is sufficient for the circuit voltage.
●Be careful to avoid damaging the insulation surface while taking mea-
surements.
●Refer to the derating characteristics when measuring current that
includes a high-frequency component and never measure any current
that exceeds the rated current. Use with high frequencies or strong
magnetic fields may cause the device to become abnormally hot, result-
ing in fire, equipment damage, or burns.
●To prevent fire or damage of the measurement target and device as well
as burns, exercise caution concerning the following when measuring
high-frequency currents or currents that contain high-frequency compo-
nents:
– Eddy current loss may cause heating of the sensor head.
– Dielectric heating may cause heating of cord insulation and other
materials.
●Be sure to observe all operating precautions for the oscilloscope and
other instruments to which this device is connected.
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Notes on Safety
R&S®RT-ZC20
7User Manual 1409.7814.02 ─ 03
Risk of fatal injury
●This device is made for use with the R&S RT-ZA13 probe power supply.
●When using a measurement instrument that does not provide isolation
between its input terminals and chassis or other input terminals, please
pay attention to the following points. If a signal is applied to an input ter-
minal other than that to which this device is connected, do not connect
the ground-side terminal to any nonground potential. Otherwise, short-
circuit current flows through the R&S RT-ZA13 probe power supply, or
this device from the ground terminal, which could cause an electrical
accident or damage.
Shock hazard
Do not allow the device to get wet, and do not take measurements with wet
hands. This may cause an electric shock.
To avoid electric shock when measuring live lines, wear appropriate protec-
tive gear, such as insulated rubber gloves, boots, and a safety helmet.
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Notes on Safety
R&S®RT-ZC20
8User Manual 1409.7814.02 ─ 03
Risk of instrument damage
●To avoid damage to the device, protect it from vibration or shock during
transport and handling, and be especially careful to avoid dropping.
●This device should be installed and operated indoors only, between 0°C
and 40°C (32°F to 104°F) and 80% RH or less.
●Do not store or use the device where it could be exposed to direct sun-
light, high temperature, humidity, or condensation. Under such condi-
tions, the device may be damaged and insulation may deteriorate so
that it no longer meets its specifications.
●Before using the device the first time, verify that it operates normally to
ensure that no damage occurred during storage or shipping. If you find
any damage, contact your dealer or R&S representative.
●This device is not designed to be entirely water- or dust-proof. To avoid
damage, do not use it in a wet or dusty environment.
●The sensor head is a precision assembly including a molded compo-
nent, a ferrite core, and a Hall effect element. It may be damaged if sub-
jected to sudden changes in ambient temperature, or mechanical strain
or shock, and therefore great care should be exercised in handling it.
●Do not apply a static electricity or other source of high voltage to the
sensor. Doing so may damage the internal Hall elements and circuitry of
the sensor.
●The mating surfaces of the sensor head are precision, and should be
treated with care. If these surfaces are scratched, performance may be
impaired.
●Measurements are degraded by dirt on the mating surfaces of the sen-
sor head, so keep the surfaces clean by gently wiping with a soft cloth.
●When the power is on, keep the core section of the sensor closed,
except when clamping it onto the conductor to be measured. The mating
surface of the core section can be scratched while it is open.
●Keep the clamp jaws and core slits free from foreign objects, which
could interfere with clamping action.
●Keep the sensor head closed when not in use, to avoid accumulating
dust or dirt on the mating core surfaces, which could interfere with
clamp performance.
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Notes on Safety
R&S®RT-ZC20
9User Manual 1409.7814.02 ─ 03
●To avoid damaging the sensor cable and power supply cable, do not
bend or pull the cables.
●Avoid stepping on or pinching the cable, which could damage the cable
insulation.
●Keep the cable well away from heat sources, as bare conductors could
be exposed if the insulation melts.
Strong electromagnetic fields
Correct measurement may be impossible in the presence of strong mag-
netic fields, such as near transformers and high-current conductors, or in the
presence of strong electromagnetic fields such as near radio transmitters.
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Product Description
R&S®RT-ZC20
10User Manual 1409.7814.02 ─ 03
2 Product Description
2.1 Product Overview
The R&S RT-ZC20 is an AC/DC current probe. It allows the user to make current
measurements from DC to 100 MHz. By clamping on the conductor to be mea-
sured, the current waveform is captured easily without interrupting the electric cir-
cuit.
2.2 Key Features
●Highly accurate current detection.
●Easy current measurement without interrupting the electric circuit.
●Broadband frequency characteristics DC to 100 MHz.
●Permits measurement of low current levels.
●Easy protection function to avoid self-heating during excessive input.
●Unique thin film Hall effect element.
2.3 Inspecting the Contents
●Inspect the package for damage.
Keep the package and the cushioning material until the contents have been
checked for completeness and the device has been tested.
If the packaging material shows any signs of stress, notify the carrier and your
Rohde & Schwarz service center. Keep the package and cushioning material
for inspection.
●Inspect the probe.
If there is any damage or defect, or if the R&S RT-ZC20 current probe does
not operate properly, notify your Rohde & Schwarz service center.
●Inspect the accessories.
If the contents are incomplete or damaged, notify your Rohde & Schwarz ser-
vice center.
Inspecting the Contents
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