Rohde & Schwarz RT-ZHD07 Manuel utilisateur

R&S®RT-ZHD07/15/16/60

High Voltage Differential Probe

User Manual

1800258802

Version 02

(B0Iæ2)

This user manual describes the following R&S®RT-ZHD models and options:

●R&S®RT-ZHD07 (1800.2307.02)

●R&S®RT-ZHD15 (1800.2107.02)

●R&S®RT-ZHD16 (1800.2207.02)

●R&S®RT-ZHD60 (1800.2007.02)

Muehldorfstr. 15, 81671 Muenchen, 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.

All other trademarks are the properties of their respective owners.

1800.2588.02 | Version 02 | R&S®RT-ZHD07/15/16/60

Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol and without product type numbers, e.g.

R&S®RT-ZHD is indicated as R&S RT-ZHD, and the R&S®ProbeMeter is indicated as R&S ProbeMeter.

Contents

R&S®RT-ZHD07/15/16/60

3User Manual 1800.2588.02 ─ 02

Contents

1 Safety and regulatory information........................................................5

1.1 Safety instructions........................................................................................................5

1.2 Labels on the product...................................................................................................7

1.3 Warning messages in the documentation.................................................................. 7

2 Product description............................................................................... 9

2.1 Key characteristics and key features..........................................................................9

2.1.1 Key characteristics.......................................................................................................... 9

2.1.2 Key features.................................................................................................................. 10

2.2 Unpacking and checking............................................................................................ 11

2.3 Description of the probe.............................................................................................13

2.3.1 Probe box......................................................................................................................13

2.3.2 Probe control box.......................................................................................................... 14

2.3.3 Probe cable................................................................................................................... 17

2.3.4 Input leads.....................................................................................................................17

2.4 Accessories and items............................................................................................... 17

2.4.1 Accessories supplied.................................................................................................... 17

2.4.2 Service accessories...................................................................................................... 19

2.5 Dimensions..................................................................................................................20

3 Connecting the probe..........................................................................21

3.1 Handling the probe..................................................................................................... 21

3.2 Connecting the probe to the oscilloscope............................................................... 21

3.3 Identification of the probe.......................................................................................... 22

3.4 Connecting the probe to the DUT..............................................................................22

3.5 Reducing noise induction.......................................................................................... 24

4 Features and characteristics of R&S RT‑ZHD probes...................... 25

4.1 Micro button................................................................................................................ 25

4.2 R&S ProbeMeter..........................................................................................................25

4.3 Offset compensation.................................................................................................. 26

4.4 Characteristics of differential probes....................................................................... 27

4.4.1 Common mode rejection ratio (CMRR).........................................................................28

Contents

R&S®RT-ZHD07/15/16/60

4User Manual 1800.2588.02 ─ 02

4.4.2 Dynamic range and operating voltage window............................................................. 28

4.5 Typical characteristics of the R&S RT‑ZHD..............................................................30

4.5.1 Improve the signal integrity........................................................................................... 31

4.5.2 Bandwidth..................................................................................................................... 32

4.5.3 Step response............................................................................................................... 34

4.5.4 CMRR........................................................................................................................... 36

4.5.5 Signal loading of the input signal.................................................................................. 39

5 Maintenance and service.....................................................................40

5.1 Cleaning....................................................................................................................... 40

5.2 Contacting customer support....................................................................................40

5.3 Returning for servicing...............................................................................................41

5.4 Calibration interval......................................................................................................41

5.5 Storage and transport.................................................................................................41

5.6 Disposal....................................................................................................................... 41

5.7 Spare parts.................................................................................................................. 42

6 Functional check..................................................................................43

Safety and regulatory information

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5User Manual 1800.2588.02 ─ 02

1 Safety and regulatory information

The product documentation helps you to use the product safely and efficiently. Follow

the instructions provided here and throughout the manual.

Intended use

The product is intended for the development, production and verification of electronic

components and devices in industrial, administrative, and laboratory environments.

Use the product only for its designated purpose. Observe the operating conditions and

performance limits stated in the data sheet.

The probe is designed for usage with oscilloscopes that have a Rohde & Schwarz

probe interface. Supported Rohde & Schwarz oscilloscopes are listed in the probe's

data sheet.

Where do I find safety information?

Safety information is part of the product documentation. It warns you of potential dan-

gers and gives instructions on how to prevent personal injury or damage caused by

dangerous situations. Safety information is provided as follows:

●In Chapter 1.1, "Safety instructions", on page 5. The same information is provi-

ded in many languages as printed "Safety Instructions". The printed "Safety

Instructions" are delivered with the product.

●Throughout the documentation, safety instructions are provided when you need to

take care during setup or operation.

1.1 Safety instructions

Products from the Rohde & Schwarz group of companies are manufactured according

to the highest technical standards. To use the products safely, follow the instructions

provided here and in the product documentation. Keep the product documentation

nearby and offer it to other users.

Use the product only for its intended use and within its performance limits. Intended

use and limits are described in the product documentation such as the data sheet,

manuals and the printed "Safety Instructions for Oscilloscopes and Accessories" docu-

ment. If you are unsure about the appropriate use, contact Rohde & Schwarz customer

service.

Using the product requires specialists or specially trained personnel. These users also

need sound knowledge of at least one of the languages in which the user interfaces

and the product documentation are available.

Reconfigure or adjust the product only as described in the product documentation or

the data sheet. Any other modifications can affect safety and are not permitted.

Never open the casing of the product. Only service personnel authorized by

Rohde & Schwarz are allowed to repair the product. If any part of the product is dam-

Safety instructions

Safety and regulatory information

R&S®RT-ZHD07/15/16/60

6User Manual 1800.2588.02 ─ 02

aged or broken, stop using the product. Contact Rohde & Schwarz customer service at

https://www.rohde-schwarz.com/support.

In these safety instructions, the term "product" covers instruments (oscilloscopes),

probes and their accessories.

Choosing the operating site

Only use the product indoors. The product casing is not waterproof. Water that enters

can electrically connect the casing with live parts, which can lead to electric shock,

serious personal injury or death if you touch the casing. If Rohde & Schwarz provides

accessories designed for outdoor use of your product, e.g. a protective cover, you can

use the product outdoors.

Unless otherwise specified in the data sheet, you can operate the product up to an alti-

tude of 2000 m above sea level.

The product is suitable for pollution degree 2 environments where nonconductive con-

tamination can occur. For more information on environmental conditions such as ambi-

ent temperature and humidity, see the data sheet.

Performing measurements

Take the following measures for your safety:

●To ascertain voltage-free state, use an appropriate voltage tester. Any measure-

ment setup including an oscilloscope is not suitable for this purpose.

●The maximum input voltage on channel inputs and the external trigger input must

not exceed the value specified in the data sheet.

●Observe all voltage and current ratings of the instrument, the probes, and the

accessories. Exceeding the allowed voltages can lead to an electric shock.

Limits and ratings are marked on the products and listed in the data sheets.

Consider that the rated voltage depends on the frequency. The voltage limitation

curves or values are provided in the data sheet.

●Never cause any short circuits when measuring sources with high output currents.

●Use only probes and accessories that comply with the measurement category

(CAT) of your measurement task. If the product is rated for any measurement cate-

gory, the permitted category is indicated on the product and in the data sheet. If

you use other than Rohde & Schwarz accessories, make sure that they are suita-

ble for the instrument and the measurement task.

●Set the correct attenuation factor on the instrument according to the probe being

used. Otherwise, the measurement results do not reflect the actual voltage level,

and you might misjudge the actual risk.

●When working with high voltages and current probes, observe the additional oper-

ating conditions specified in these safety instructions.

●Prevent the probe from receiving mechanical shock. Avoid putting excessive strain

on the probe cable or exposing it to sharp bends. Touching a broken cable during

measurements can cause injuries.

●Set up all probe connections to the instrument before applying power.

Safety instructions

Safety and regulatory information

R&S®RT-ZHD07/15/16/60

7User Manual 1800.2588.02 ─ 02

Working with hazardous voltages

Voltages higher than 30 V RMS, or 42 V peak, or 60 V DC are regarded as hazardous

contact voltages. Direct contact with them can cause serious injuries.

Make sure that only electrically skilled persons use the products for measurements on

hazardous contact voltages. These working conditions require special education and

experience to perceive risks and to avoid hazards which electricity can create.

Make sure that the measurement instrument is properly connected to protective earth.

When working with hazardous contact voltages, use protective measures to preclude

direct contact with the measurement setup:

●Do not touch exposed connections and components when power is applied.

●Switch off the test circuit while connecting and disconnecting probe leads.

●Use only insulated voltage probes, test leads and adapters.

●Make sure that the input leads fulfill the safety requirements for your measurement.

The delivered input leads might have a jacket wear indicator that indicates a worn

jacket by different jacket color. In this case, do not use the input lead. Replace it

with a new one.

●When connecting to the DUT, keep your fingers behind finger guard. Remove jew-

elry, watches, and other metallic objects. Only use 4 mm safety banana plugs.

1.2 Labels on the product

Labels on the casing inform about:

●Personal safety

●Product and environment safety

●Identification of the product

Table 1-1: Meaning of safety labels

Potential hazard

Read the product documentation to avoid personal injury or product damage.

Electrical hazard

Indicates live parts. Risk of electric shock, fire, personal injury or even death.

1.3 Warning messages in the documentation

A warning message points out a risk or danger that you need to be aware of. The sig-

nal word indicates the severity of the safety hazard and how likely it will occur if you do

not follow the safety precautions.

Warning messages in the documentation

Safety and regulatory information

R&S®RT-ZHD07/15/16/60

8User Manual 1800.2588.02 ─ 02

WARNING

Potentially hazardous situation. Could result in death or serious injury if not avoided.

CAUTION

Potentially hazardous situation. Could result in minor or moderate injury if not avoided.

NOTICE

Potential risks of damage. Could result in damage to the supported product or to other

property.

Warning messages in the documentation

Product description

R&S®RT-ZHD07/15/16/60

9User Manual 1800.2588.02 ─ 02

2 Product description

The R&S RT‑ZHD high-voltage differential probe is designed to safely measure high

voltage floating circuits using a grounded oscilloscope. The probe extends the mea-

surement capability of oscilloscopes in measuring electronic power converters, inver-

ters, motor speed controls, switch mode power supplies and many other applications.

The probe is equipped with the Rohde & Schwarz probe interface. It can be connected

to any Rohde & Schwarz instrument that is compatible with this interface. When con-

nected to the front panel, the probe is controlled by the oscilloscope's software. Sup-

ported oscilloscopes are listed in the data sheet.

2.1 Key characteristics and key features

2.1.1 Key characteristics

Table 2-1: Key characteristics

Parameter R&S RT-ZHD07 R&S RT-

ZHD15/16

R&S RT-ZHD60

Bandwidth DC - 200 MHz DC - 100 MHz

(RT-ZHD15)

DC - 200 MHz

(RT-ZHD16)

DC - 100 MHz

Dynamic range

(differential input)

Attenuation high: ±750 V ±1500 V ±6000 V

Attenuation low: ±75 V ±150 V ±600 V

Operating voltage window

(each pin to GND)

±750 V ±1500 V ±6000 V

Differential Offset ±1000 V ±2000 V ±2000 V

Diff. input resistance 5 MΩ10 MΩ40 MΩ

Diff. input capacitance 2.5 pF 2 pF 2 pF

R&S ProbeMeter, measurement error < 0.1 % < 0.1 % < 0.12 %

Maximum input voltage to earth (each terminal) 300 V CAT III

600 V CAT II

600 V (RMS) /

4500 V (peak)

1000 V CAT III

1000 V (RMS) /

6800 V (peak)

1000 V CAT III

1750 V (RMS) /

6800 V (peak)

Maximum voltage input

The R&S RT‑ZHD high-voltage differential probe is rated for CAT III environments.

Maximum working voltages between each input lead and earth ground apply for all

attenuation settings. The limits are listed in Table 2-1.

Key characteristics and key features

Product description

R&S®RT-ZHD07/15/16/60

10User Manual 1800.2588.02 ─ 02

The probe is designed to measure electrical devices or installations of categories 0 (I),

II, or III if the effective value of the measured voltage against earth ground does not

exceed the maximum working voltage. The maximum working voltage is derated for

higher frequencies. Voltage derating over frequency is specified in the data sheet.

The rating ensures that the probe is protected against short transient overvoltages as

long as the maximum working voltage limit is observed.

Do not use the probe to measure effective working voltages higher than the specified

voltage between each input lead and earth ground even if the effective differential volt-

age is lower than the specified voltage.

2.1.2 Key features

Micro button

The micro button remotely controls important functions of the Rohde & Schwarz oscil-

loscope. The function is assigned at the oscilloscope.

For details, see Chapter 4.1, "Micro button", on page 25.

R&S ProbeMeter

The R&S ProbeMeter measures the DC voltage of the input signal directly at the probe

tip. It provides a continuous high-precision DC voltage measurement that is independ-

ent of the settings of the oscilloscope and runs in parallel to the time domain measure-

ment. If activated on the base unit, the measured value is displayed on the screen of

the Rohde & Schwarz oscilloscope.

The R&S ProbeMeter simultaneously measures both differential and common mode

DC voltages.

For details, see Chapter 4.2, "R&S ProbeMeter", on page 25.

Data memory

The probe has an integrated data memory, containing the individual probe correction

parameters (e.g. gain, delay, offset). These parameters are read out and processed by

the Rohde & Schwarz oscilloscope. As a result, the probe offers a high degree of accu-

racy, and additional calibration procedures are not required.

Overrange indication

There are two indications for overrange:

●Input overrange indicates an overrange of an input signal against earth, i.e. a viola-

tion of the operating voltage window.

●Output overrange lights up if the differential voltage is too high even if the voltage

to earth is within the specification.

Each overrange condition is indicated by an individual red LED (3 LEDs in total) and a

common buzzer signal. The buzzer can be switched off. For details, see "Overrange

Key characteristics and key features

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