Metrix MTX 3252e-C Manuale utente

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Test et Mesure CHAUVIN-ARNOUX

6, avenue du Pré de Challes

F - 74940 ANNECY-LE-VIEUX

Tel. +33 (0)4.50.64.22.22

Fax +33 (0)4.50.64.22.00

CA UK Ltd.

Waldeck House

Waldeck Road

GB - Maidenhead SL6 8BR

X03043A00 - Ed. 02- 06/10

General instructions

I - 2 Two-channel digital oscilloscopes, 60 MHz or 100 MHz

Contents

General instructions Chapter I

Introduction..................................................................................... 4

Precautions and safety measures...................................................4

Symbols used..................................................................................5

Guarantee........................................................................................5

Maintenance and metrological checking.........................................5

Unpacking - Repacking ...................................................................5

Maintenance....................................................................................5

Description of instrument Chapter II

Presentation ....................................................................................6

General view....................................................................................6

Front panel (illustration)...................................................................7

Measurement terminal block (illustration)........................................7

Rear view (illustration).....................................................................8

Front panel (description)..................................................................9

Preparation for use........................................................................10

ETHERNET network......................................................................11

Oscilloscope Mode Chapter III

Keys...............................................................................................13

Display...........................................................................................17

Menus

"Vert" Vertical menu..........................24

"TRIG" Trigger menu..........................36

"Horiz" Horizontal menu..........................45

"Display" Display menu..........................50

"Measure" Measurement menu..........................53

"Memory" menu..........................58

"Util" Utilities menu..........................61

"?" Help menu..........................66

« Oscilloscope Mode with SPO » Chapter IV

Keys...............................................................................................67

Display.......................................................................................... 67

Menus

"Vert" Vertical menu..........................71

"TRIG" Trigger menu..........................71

"Horiz" Horizontal menu..........................71

"Display" Display menu..........................72

"Measure" Measurement menu..........................74

"Memory" menu..........................75

"Util" Utilities menu..........................76

"?" Help menu..........................76

“Harmonic Analysis” Mode (option) Chapter V

Installation ....................................................................................77

Keys...............................................................................................77

Display...........................................................................................77

Menus

"Vert" Vertical menu..........................80

"Horiz" Horizontal menu..........................82

"Display" Display menu..........................83

"Memory", "Util" Utilities, "?" Help menus..........................84

General Instructions

Two-channel digital oscilloscopes, 60 MHz or 100 MHz I - 3

Recorder Mode (option) Chapter VI

Installation .....................................................................................85

Keys...............................................................................................85

Display...........................................................................................88

"Vert" Vertical menu..........................96

"TRIG" Trigger menu..........................97

"Horiz" Horizontal menu........................102

"Display" Display menu........................103

"Measure" Measurement menu........................105

"Memory" menu........................106

"Util" Utilities menu........................109

"?" Help menu........................111

Applications Chapter VII

Calibration signal display.............................................................112

Probe compensation....................................................................112

Automatic measurements............................................................113

Cursor measurements.................................................................114

Cursor offset measurements.......................................................114

Video signal visualisation ............................................................115

Examination of a TV specific line ................................................117

« SPO » applications...................................................................118

Automatic measurements in Harmonic Analysis mode...............121

Display of slow events.................................................................124

Measurements in « Recorder » mode.........................................124

ETHERNET network....................................................................126

WEB server .................................................................................128

Technical Specifications Chapter VIII

« Oscilloscope » mode..............................................................133

Vertical deflection...................................................................133

Horizontal deflection (time base) ...........................................134

Trigger circuit .........................................................................135

Acquisition chain ....................................................................136

Display....................................................................................137

Miscellaneous ........................................................................137

« Oscilloscope mode with SPO » ............................................138

« Harmonics Analysis » mode .................................................138

« Recorder » mode ....................................................................139

Error messages...........................................................................139

Communication interfaces...........................................................140

Remote programming..................................................................140

General characteristics Chapter IX

Environment ................................................................................141

Mains power supply.....................................................................141

EMC.............................................................................................141

Mechanical characteristics

Casing ........................................................................................141

Packing........................................................................................141

Supply Chapter X

Accessories .................................................................................142

Index

Firmware update : You may use PC software provided on the CD-ROM and consult Internet site

www.chauvin-arnoux.com. The software update involves a rebootstrrapping of the filesystem : all

the saved files are erased and lost.

General instructions

I - 4 Two-channel digital oscilloscopes, 60 MHz or 100 MHz

General Instructions

Introduction

You have just acquired a two-channel digital oscilloscope with “SPO”

analog persistence display, 60 MHz or 100 MHz, ETHERNET.

It can also features a « harmonic analyser » (option) mode and a

« recorder » mode (option).

Congratulations for your choice and thank you for your trust in the quality of

our products.

This instrument conforms to safety standard NF EN 61010-1 (2001), single

insulation, relative to electronic measurement instruments.

To obtain optimum service, read these instructions with care and comply with

the precautions for use.

Failure to comply with these warnings and/or user instructions is liable to

cause damage to the equipment. This could be dangerous to the user.

Precautions and

safety measures

•

This instrument has been designed for use:

- indoors,

- in a pollution degree 2 environment,

- at an altitude of less than 2000 m,

- at a temperature included between 0°C and 40°C

- with relative humidity of less than 80 % at up to 31°C.

•

It can be used for measurements on circuits at 300 V CAT II, relative to ground

and can be supplied by a 240 V CAT II network.

definition of

measurement

categories

CAT I: Measurement category I is for measurements performed on circuits not

directly connected to mains.

E.g.: protected electronic circuits

CAT II : Measurement category II is for measurements performed on circuits

directly connected to the low voltage installation.

E.g.: power supply to domestic appliances and portable tools.

CAT III : Measurement category III is for measurements performed in the building

installation

E.g.: machine or industrial apparatus power supply.

CAT IV : Measurement category IV is for measurements performed at the source

of the low-voltage installation.

E.g.: energy inputs

before use

• Comply with environment storage conditions.

• Make sure that the three-wire phase/neutral/ground power supply cord

supplied with the unit is in suitable condition. It conforms to standard NF

EN 61010-1 (2001) and must be connected to the instrument on the one

hand, and to the network on the other (variation from 100 to 240 VAC

during

use

• Read carefully all the notes preceded by the symbol .

• Connect the instrument to an outlet with a ground pin.

• The instrument power supply has automatically reset electric protection

operating after the fault has been eliminated.

• Be sure not to obstruct the aeration points.

• As a safety measure, use only suitable cords and accessories supplied with

the instrument or type approved by the manufacturer.

• When the instrument is connected to the measurement circuits, never

touch an unused terminal.

General Instructions

Two-channel digital oscilloscopes, 60 MHz or 100 MHz I - 5

General Instructions (cont’d)

Symbols

used

Warning: Risk of danger.

Refer to the operating manual to find out the nature of the potential hazards and

the action necessary to avoid such hazards.

Earth

According to WEEE directive 2002/96/EC

Guarantee

This equipment is guaranteed against any material defect or manufacturing

faults, in conformity with the general conditions of sale.

During this period, the equipment may only be repaired by the manufacturer.

He reserves the right to carry out repair or replacement of all or part of the

equipment.

If the equipment is returned to the manufacturer, forward transport is at the

expense of the customer.

The guarantee does not apply in the event of:

•

unsuitable use of the equipment or by association with incompatible

equipment

•

modification of the equipment without the explicit authorization of the

manufacturer technical services

•

operation by a person not approved by the manufacturer

•

adaptation to a specific application not provided for in the equipment

definition or in the operating instructions

•

impact, fall or flooding.

Maintenance and

metrological

checking

Before the equipment is opened,it must be disconnected from the network

supply and the measurement circuits. The operator must not become charged

with any static electricity. This could cause the destruction of internal parts.

Any adjustment, maintenance or repair of the energized equipment shall

only be undertaken by qualified personnel, after referring to the instructions

given in this document.

A qualified person is a person who is familiar with the installation, construction,

use and the hazards that exist. This person is authorized to start up and shut

down the installation and equipment in conformity with the safety rules.

Return your instrument to your distributor for any work to be done within or

outside the guarantee.

Unpacking and

repacking

All the equipment has been checked mechanically and electrically before

shipping.

On reception, carry out a quick check to detect any damage caused by

transport. If necessary, contact our commercial department immediately and

make all legal reservations with the carrier.

In the event of reshipping, it is preferable to use the original package. Indicate

as clearly as possible, by a note attached to the equipment, the reasons for

the return.

Servicing

•

Turn the instrument off.

•

Clean it with a damp cloth and soap.

•

Never use abrasive products or solvents.

•

Allow to dry before any further use.

Description of instrument

II - 6 Two-channel digital oscilloscopes, 60 MHz or 100 MHz

Description of instrument

Presentation

This instrument has the particularity of grouping together 3 units in 1:

•

a Digital Oscilloscope incorporating the

FFT (Fast Fourier Transform) function and

SPO (Analog Persistence Display)

intended to analyze the signals appearing in the electronics and

electrotechnical fields

•

a Harmonic Analyser (option) mode for breaking down four signals

simultaneously while representing their fundamental and their first 31

harmonics

•

a Recorder mode (option) intended for the capture of single or slow signals.

The instrument works at a constant acquisition depth of 50,000 points.

Memory management is organized from a system of files “Windows ®” like.

A large-size colour LCD screen displays the applied signals, together with all

the adjustment parameters.

The main control functions are accessible directly from the front panel.

The adjustment parameters can be modified using the thumbwheel.

A graphic interface is similar to that of the PC and is used for:

•

using the mouse to select the functions proposed by the pull-down menus

•

acting directly on objects (traces, cursors, etc.) displayed on the screen.

The adjustment parameters can thus be modified by a variety of means.

This instrument is completed by RS232/CENTRONICS, ETHERNET and USB

to RS232 interfaces as standard.

Overall view

mtx 3x52

Smart

Persistence

Oscilloscope

Harmonic

analyser

Recorder

Description of instrument

Two-channel digital oscilloscopes, 60 MHz or 100 MHz II - 7

Description of instrument (cont’d)

Front panel

(illustration)

Measurement

terminal block

CH1 signal input CH2 signal Input EXT input Calibrator output

VERTICAL

HORIZONTAL

ACQUISITION

TRIGGER

SPO

Description of instrument

II - 8 Two-channel digital oscilloscopes, 60 MHz or 100 MHz

Description of instrument (cont’d)

Rear panel

SUBD 25- pin female

connector

for RS232/CENTRONICS

interfaces

6-pin MiniDin

connector

PS/2 mouse

Mains plug

ETHERNET RJ45

connector

USB connector

USB to RS232

interface

Description of instrument

Two-channel digital oscilloscopes, 60 MHz or 100 MHz II - 9

Description of instrument (cont’d)

Front panel

(

description)

The main features of the equipment can be obtained from the front panel.

They can also be modified directly by the mouse or using the menu toolbar.

1 startup / standby

button

activates:

•

startup (green LED) when pressed briefly.

•

Setting the oscilloscope to standby (red LED) by a long press (> 3 s).

The files and the configuration are saved.



If a menu is open when the key is pressed, the backup is performed,

but no message is displayed.

1 mouse / 2 keys

connected to the back of the oscilloscope (PS/2 connector) used for:

selection of menus,

function validation,

movement of symbols appearing on LCD screen.

•

The menus appearing at the top of the screen and the submenus

selected by the mouse pointer open and are validated by the left key.

•

The menus in the trace display zone

in the control zone

in the status zone

are opened with the right mouse key.

•

The mouse can be used for moving:

symbols appearing in the main display zone:

trigger position, cursor position, display trace reference

symbols appearing in the bargraph:

trigger position, zoomed area cursor position

Position the mouse pointer on the symbol to be moved, holding the left

key of the mouse down during the movement to the desired position.

•

Zooming in the display zone is possible using the mouse:

hold the left key down when defining the zone with the pointer (cannot

be activated in “SPO” analog persistence display

1 rotary control

button

•

The outer wheel of this encoder is used for incrementing or

decrementing the selected setting (by rotation).

•

The LED comes on when adjustment is possible using the wheel. After

20 seconds without action on the wheel, the LED goes out and the

function is no longer active.

•

While the LED is on, pressing the central part of the encoder

(TOGGLE key) will toggle the adjustment of the main function to the

secondary function of the key.

The symbol appears on the keys concerned (except for the key

opposite which has no secondary function.).

21 fleeting action

keys giving direct access to the more basic functions.

Description of instrument

II - 10 Two-channel digital oscilloscopes, 60 MHz or 100 MHz

Description of instrument (cont’d)

Preparation for use

Instructions before

startup

Before initial startup:

•

Connect the mouse to the PS/2 connector at the back of the unit.

•

Check the power supply cord which will be connected to the back of the unit

and to the grounded mains is in good condition.

•

When on, the LED shown opposite verifies that the mains voltage is applied

to the oscilloscope.

Error messages

Refer to §. Technical Specifications p. 139.

Mains voltage

The oscilloscope power supply is designed for:

•

a mains voltage from 90 V

to 264 V

(use nominal range 100 VAC

and 240 V

)

•

a frequency included between 47 Hz and 63 Hz.

Fuse

The unit is protected by a fuse:

•

Fuse range: T, 2,5 A, 250 V, 5 x 20 mm

This protection fuse must only be replaced by an identical model.

Replacement may only be performed by qualified personnel.

Contact your closest distributor.

Startup



The pushbutton starts up the oscilloscope (the LED becomes green after

loading).

A long press (> 3 seconds) switches the equipment to standby (the LED

becomes red).

When the unit is powered up, the last memorized configuration is restored.

At initial startup, the default configuration parameters are applied.

Never disconnect the instrument from the network while the message

"System shutdown. Please wait before switch off power !" is displayed

on the screen, otherwise the current file and all the files saved

beforehand will be lost.

LCD contrast

LCD brightness

This key is used for adjusting the LCD contrast. Adjustment is by the

thumbwheel as long as the LED associated with it is on.

The « TOGGLE » key on the thumbwheel is used for switching from LCD

contrast adjustment to brightness adjustment (and vice versa).

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