Rigol PHA2150 Manuale utente

User Guide

PHA High-Voltage Differential

Probe

Apr. 2022

RIGOL TECHNOLOGIES CO., LTD

RIGOL

PHA User Guide I

Guaranty and Declaration

Trademark Information

RIGOL® is the trademark of RIGOL TECHNOLOGIES CO., LTD.

Publication Number

UGE33101-1110

Notices

RIGOL products are covered by P.R.C. and foreign patents, issued and

pending.

RIGOL reserves the right to modify or change parts of or all the

specifications and pricing policies at the company’s sole decision.

Information in this publication replaces all previously released materials.

Information in this publication is subject to change without notice.

RIGOL shall not be liable for either incidental or consequential losses 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, photocopied, or

rearranged without prior written approval of RIGOL.

Product Certification

RIGOL guarantees that this product conforms to the national and industrial

standards in China as well as the ISO9001:2015 standard and the

ISO14001:2015 standard. Other international standard conformance

certifications are in progress.

If you have any problem or requirement when using our products or this

manual, please contact RIGOL.

E-mail: serv[email protected]om

Website: www.rigol.com

RIGOL

II PHA User Guide

General Safety Summary

CAUTION

This device involves the high-voltage measurement. To use the device safely

and ensure your personal safety, please carefully read and observe the

instructions specified in this manual before using the device.

Safety Terms and Symbols

Before using the device, read the following safety notices carefully.

The symbol printed on the device indicates that the

user should refer to a corresponding topic in the manual

(marked with the symbol) before using the relevant

function.

In the manual, the symbol indicates particularly

important information that the user should read before

using the device.

The symbol printed on the device indicates high

voltage warning.

The symbol printed on the device indicates test

ground.

RIGOL

PHA User Guide III

Safety Precautions

CAUTION

Beware of high voltages to avoid electric shock. Understand the maximum

input voltage for the probe.

Do not operate in wet conditions or in an explosive atmosphere.

Before use, please check whether the exterior of the probe is damaged. If

damaged, stop using it.

Turn off the circuit under test before connecting it to the probe.

When connecting the BNC output cable of the probe to the oscilloscope or

other devices, ensure that the BNC terminal is safely grounded.

After measurement, turn off the circuit first and then remove the probe.

RIGOL

IV PHA User Guide

Contents

Guaranty and Declaration .................................................. I

General Safety Summary .................................................. II

Safety Terms and Symbols ................................................ II

Safety Precautions .......................................................... III

General Inspection ............................................................ 1

PHA High-Voltage Differential Probe ................................. 2

Probe Components ............................................................ 4

Probe Component Description ............................................. 5

To Use the Probe ............................................................... 7

Preparation for Measurement .............................................. 7

Measurement Steps ........................................................... 7

Precautions During Measurement ........................................ 9

Failures and Troubleshooting ............................................ 11

Specifications .................................................................. 12

Technical Specifications .................................................... 12

Mechanical Characteristics ................................................ 13

Working Environment ....................................................... 14

Appendix ......................................................................... 15

Appendix 1 Max. Differential Mode Voltage vs Freq. ............ 15

Appendix 2 Package List ................................................... 15

Appendix 3 Warranty ....................................................... 15

RIGOL

PHA User Guide 1

General Inspection

1 Inspect the packaging

RIGOL has carried out strict inspections on each product before leaving

the factory. When you receive the product, please check whether the

packaging is intact. If the packaging has been damaged, do not dispose

the damaged packaging or cushioning materials until the shipment has

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 the instrument

resulting from shipment. RIGOL would not be responsible for free

maintenance/rework or replacement of the instrument.

2 Check the probe

In case of any mechanical damage, missing parts, or failure in passing the

electrical and mechanical tests, contact your RIGOL sales representative.

3 Check the accessories

Please check the accessories according to Appendix 2 Package List in

this manual. If the accessories are damaged or incomplete, please contact

your RIGOL sales representative.

RIGOL

2 PHA User Guide

PHA High-Voltage Differential Probe

The PHA series high-voltage differential probe (hereinafter referred to as PHA

series probe) connects to the voltage under test through the high-voltage

differential input cable to convert the input high voltage into the low voltage,

and then display the waveforms on the waveform measuring instrument by

connecting its output interface to the waveform measuring instrument.

Main Features

High bandwidth to meet the requirements of most high-frequency test

system

PHA0150: 70 MHz;

PHA1150: 100 MHz;

PHA2150: 200MHz

Diversified ranges and two attenuations to meet the requirements for

most common-mode test circuit

50X: 150 V (DC + peak AC);

500X: 1500 V (DC + peak AC);

5 MHz bandwidth limit[1]

For the low-frequency signal measurement, this function can reduce the

noise and interference of high-frequency signals to meet the

measurement requirement for the switching frequency of most switching

transistors (FETs) in the switching power supply.

High-voltage differential input mode

Higher input impedance and lower input capacitive on the input terminal

ensure accurate and fast measurement

Sound common-mode noise rejection

Standard BNC output terminal, compatible with the waveform measuring

instruments of most manufacturers.

Audible alarm beeper and visible indicator blinking for sounding the alarm;

RIGOL

PHA User Guide 3

the alarm can be disabled manually

Auto memory function, capable of automatically saving the working status

that was set before it is shutdown

Note[1]:

When the bandwidth is limited to 5 MHz, the internal output circuit of the PHA

series probe is connected to a 5 MHz low-pass network. The low-pass network

can reduce the high-frequency components, the noise, and the harmonics,

which is conducive to the testing and analysis of the low-frequency signals.

Measurement Scenarios

The PHA series probe is mainly used in scenarios where high-voltage floating

measurement is required, such as

Floating voltage

measurement

Strong current or high voltage

isolation measurement

Switching power supply

design

Power conversion and other

related designs

inverter/UPS power

measurement

welding/plating power

measurement

Inverter measurement Frequency conversion home

appliance measurement: induction

heating; induction cooker

Electronic ballast design Motor drive design

CRT display design Electrical engineering experiment

Low-voltage apparatus test Power electronics and power drives

experiment

RIGOL

4 PHA User Guide

Probe Components

The PHA series probe consists of PHA0150, PHA1150 and PHA2150. This

manual takes PHA1150 as an example to introduce the components of the PHA

series probe.

Figure 1 PHA1150 High-Voltage Differential Probe

By default, 500X is selected for OVERRANGE; FULL is selected for BANDWIDTH;

and ON is selected for AUDIBLE OVERRANGE.

Audible Overrange Alarm On/Off

Button

Bandwidth Switchover Button

Attenuation Switchover Button

Audible Overrange Alarm

Indicator

Bandwidt

h Indicator

Attenuation Indicator

Load Impedance

Coaxial Cable

Out

put

Maximum Input

Voltage

Earth

High

Voltage Differential Input Cable

Max. Differential Mode

Input

Voltage

High Voltage Danger Warning Sign

USB

Power Interface

Output Interface

Overrange Indicator

Indice

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