B+K precision 2540B User manual

Model: 2540B, 2542B, 2540B-GEN,

2542B-GEN

Digital Storage

Oscilloscopes

USER MANUAL

Safety Summary

The following safety precautions apply to both operating and

maintenance personnel and must be observed during all phases

of operation, service, and repair of this instrument. Before

applying power, follow the installation instructions and become

familiar with the operating instructions for this instrument.

If this device is damaged or something is missing, contact the

place of purchase immediately.

This manual contains information and warnings that must be

followed to ensure safe operation as well as to maintain the

oscilloscope in a safe condition.

GROUND THE INSTRUMENT

To minimize shock hazard, the instrument chassis and cabinet

must be connected to an electrical ground. This instrument is

grounded through the ground conductor of the supplied,

three-conductor ac power cable. The power cable must be

plugged into an approved three-conductor electrical outlet. Do

not alter the ground connection. Without the protective ground

connection, all accessible conductive parts (including control

knobs) can render an electric shock. The power jack and

mating plug of the power cable must meet IEC safety standards.

DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE

Do not operate the instrument in the presence of flammable

gases or fumes. Operation of any electrical instrument in such

an environment constitutes a definite safety hazard.

KEEP AWAY FROM LIVE CIRCUITS

Instrument covers must not be removed by operating personnel.

Component replacement and internal adjustments must be made

by qualified maintenance personnel. Disconnect the power

cord before removing the instrument covers and replacing

components. Under certain conditions, even with the power

cable removed, dangerous voltages may exist. To avoid

injuries, always disconnect power and discharge circuits before

touching them.

DO NOT SERVICE OR ADJUST ALONE

Do not attempt any internal service or adjustment unless another

person, capable of rendering first aid and resuscitation, is

present.

DO NOT SUBSTITUTE PARTS OR MODIFY THE INSTRUMENT

Do not install substitute parts or perform any unauthorized

modifications to this instrument. Return the instrument to

B&K Precision for service and repair to ensure that safety

features are maintained.

WARNINGS AND CAUTIONS

WARNING and CAUTION statements, such as the following

examples, denote a hazard and appear throughout this manual.

Follow all instructions contained in these statements.

A WARNING statement calls attention to an operating

procedure, practice, or condition, which, if not followed

correctly, could result in injury or death to personnel.

A CAUTION statement calls attention to an operating

procedure, practice, or condition, which, if not followed

correctly, could result in damage to or destruction of part or all

of the product.

CAUTION:

Before connecting the line cord to the AC mains,

check the rear panel AC line voltage indicator.

Applying a line voltage other than the indicated

acceptable

voltage can destroy the instrument.

CAUTION:

This product uses components which can be

damaged by electro

static discharge (ESD). To

avoid damage, be sure to follow proper procedures

for handling, storing and transporting parts and

subassemblies which contain ESD

sensitive

components.

Compliance Statements

Disposal of Old Electrical & Electronic Equipment

(Applicable in the European

Union and other European countries with separate

collection systems)

This product is subject to Directive

2002/96/EC of the European

Parliament and the Council of the

European Union on waste

electrical and electronic equipment

(WEEE) , and in jurisdictions

adopting that Directive, is marked as

being put on the market after August

13, 2005, and should not be

disposed of as unsorted

municipal waste. Please utilize your

local WEEE collection facilities in

the disposition of this product and

otherwise observe all applicable

requirements.

Safety Symbols

Chassis (or earth) ground symbol.

This symbol on an instrument indicates caution.

For details, the user should refer to the operating

instructions in the manual.

Electrical Shock hazard.

On (Power). This is the In position of the power

switch when instrument is ON.

Off (Power). This is the Out position of the

power switch when instrument is OFF.

This symbol is a power switch located at the top

of the oscilloscope. Pressing this button toggles

the oscilloscope’s state between power on and

power off mode.

CAT I

(400V) IEC Measurement Category I.

Inputs may be connected to

mains (up to 400 VAC) under

Category I overvoltage conditions.

Environmental Conditions

Operating

Environment

0 °C to 40 °C

Storage Humidity

0 – 80% R.H.

Storage Environment -20 °C to +50 °C

Pollution degree Pollution degree 2

Notations

TEXT –Denotes buttons on the oscilloscope.

Text – Denotes softkeys from the menu system, selectable

by pressing corresponding menu softkey buttons.

Table of Contents

1 GETTING STARTED .....................................................14

1.1 Introduction .....................................................15

1.2 Package Contents...........................................16

1.3 Input Power Requirements..............................17

1.4 Panel and Screen Display...............................18

Front Panel Display ..................................................... 18

Back Panel Display...................................................... 21

LCD Main Screen Display............................................ 22

1.5 Quick Check....................................................24

Power On Check.......................................................... 24

Basic Check................................................................. 25

1.6 Probe Safety ...................................................27

1.7 Probe Attenuation............................................28

1.8 Probe Compensation.......................................28

2 BASIC OPERATION...................................................31

2.1 Using Quick Help.............................................32

2.2 Using Autoset..................................................33

2.3 Vertical Controls..............................................35

Vertical Position Knob (CH1, CH2).............................. 35

Vertical Scale Control (CH1, CH2) .............................. 36

Channel Keys CH1, CH2 ............................................ 37

CH1, CH2 Menu .......................................................... 37

MATH Functions.......................................................... 46

REF Function............................................................... 52

2.4 Horizontal Controls ......................................... 55

Horizontal Position Control...........................................56

Horizontal Scale Control...............................................56

Main - Horizontal Mode ................................................58

Delayed - Horizontal Mode...........................................60

X-Y Horizontal Mode.....................................................62

Roll - Horizontal Mode..................................................63

2.5 Trigger Controls.............................................. 65

2.6 RUN Controls ................................................. 78

3 MENU OPERATION................................................... 79

3.1 UTILITY Menu ................................................ 80

I/O Setup.......................................................................84

System Setup ...............................................................91

Service..........................................................................96

Pass/Fail.......................................................................98

3.2 MEASURE Menu.......................................... 102

Voltage Measurements...............................................103

Time Measurements...................................................107

3.3 ACQUIRE Menu ........................................... 115

Record Wavefrom.......................................................119

Playback Record.........................................................120

Save/Recall the Record..............................................122

Exit Record Function ..................................................123

3.4 SAVE/LOAD Menu ....................................... 124

Internal Storage..........................................................125

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