B+K precision 2540C Series Manual de usuario

Series: 2540C

2 CH

Digital Storage Oscilloscopes

Mixed Signal Oscilloscopes

USER MANUAL

Safety Summary

The following safety precautions apply to both operating and maintenance personnel and must be

followed during all phases of operation, service, and repair of this instrument.

Before applying power to this instrument:

Read and understand the safety and operational information in this manual.

Apply all the listed safety precautions.

Verify that the voltage selector at the line power cord input is set to the correct line voltage.

Operating the instrument at an incorrect line voltage will void the warranty.

Make all connections to the instrument before applying power.

Do not operate the instrument in ways not specified by this manual or by B&K Precision.

Failure to comply with these precautions or with warnings elsewhere in this manual violates the

safety standards of design, manufacture, and intended use of the instrument. B&K Precision

assumes no liability for a customer’s failure to comply with these requirements.

Category rating

The IEC 61010 standard defines safety category ratings that specify the amount of electrical energy

available and the voltage impulses that may occur on electrical conductors associated with these

category ratings. The category rating is a Roman numeral of I, II, III, or IV. This rating is also

accompanied by a maximum voltage of the circuit to be tested, which defines the voltage impulses

expected and required insulation clearances. These categories are:

Category I (CAT I): Measurement instruments whose measurement inputs are not intended to be

connected to the mains supply. The voltages in the environment are typically derived from a

limited-energy transformer or a battery.

Category II (CAT II): Measurement instruments whose measurement inputs are meant to be

connected to the mains supply at a standard wall outlet or similar sources. Example measurement

environments are portable tools and household appliances.

Category III (CAT III): Measurement instruments whose measurement inputs are meant to be

connected to the mains installation of a building. Examples are measurements inside a building's

circuit breaker panel or the wiring of permanently-installed motors.

Category IV (CAT IV): Measurement instruments whose measurement inputs are meant to be

connected to the primary power entering a building or other outdoor wiring.

Measurement Categories

These digital oscilloscopes can make measurements in measurement category I (CAT I).

Do not exceed a voltage input of more than 5 V absolute value for a 50 Ωimpedance input or 400 V

absolute value for a 1 MΩ impedance input.

This oscilloscope can only be used for measurements within its specified measurement category.

Do not use this instrument in an electrical environment with a higher category rating than what is

specified in this manual for this instrument.

You must ensure that each accessory you use with this instrument has a category rating equal to

or higher than the instrument's category rating to maintain the instrument's category rating.

Failure to do so will lower the category rating of the measuring system.

Electrical Power

This instrument is intended to be powered from a CATEGORY II mains power environment. The

mains power should be 120 V RMS or 240 V RMS. Use only the power cord supplied with the

instrument and ensure it is appropriate for your country of use.

Ground the Instrument

To minimize shock hazard, the instrument chassis and cabinet must be connected to an electrical

safety ground. This instrument is grounded through the ground conductor of the supplied three-

conductor AC line power cable. The power cable must be plugged into an approved three-

conductor electrical outlet. The power jack and mating plug of the power cable meet IEC safety

standards.

Do not alter or defeat the ground connection. Without the safety ground connection, all accessible

conductive parts (including control knobs) may provide an electric shock. Failure to use a properly-

grounded approved outlet and the recommended three-conductor AC line power cable may result

in injury or death.

Unless otherwise stated, a ground connection on the instrument's front or rear panel is for a

reference of potential only and is not to be used as a safety ground.

Do not operate in an explosive or flammable atmosphere.

Do not operate the instrument in the presence of flammable gases or vapors, fumes, or finely-

divided particulates.

iii

The instrument is designed to be used in office-type indoor environments. Do not operate the

instrument

In the presence of noxious, corrosive, or flammable fumes, gases, vapors, chemicals, or

finely-divided particulates.

In relative humidity conditions outside the instrument's specifications.

In environments where there is a danger of any liquid being spilled on the instrument or

where any liquid can condense on the instrument.

In air temperatures exceeding the specified operating temperatures.

In atmospheric pressures outside the specified altitude limits or where the surrounding gas

is not air.

In environments with restricted cooling air flow, even if the air temperatures are within

specifications.

In direct sunlight.

This instrument is intended to be used in an indoor pollution degree 2 environment. The operating

temperature range is 10 °C to 40 °C and the operating humidity is ≤ 85 % relative humidity at 40 °C,

with no condensation allowed. Measurements made by this instrument may be outside

specifications if the instrument is used in non-office-type environments. Such environments may

include rapid temperature or humidity changes, sunlight, vibration and/or mechanical shocks,

acoustic noise, electrical noise, strong electric fields, or strong magnetic fields.

Do not operate instrument if damaged

If the instrument is damaged, appears to be damaged, or if any liquid, chemical, or other material

gets on or inside the instrument, remove the instrument's power cord, remove the instrument

from service, label it as not to be operated, and return the instrument to B&K Precision for repair.

Notify B&K Precision of the nature of any contamination of the instrument.

Clean the instrument only as instructed

Do not clean the instrument, its switches, or its terminals with contact cleaners, abrasives,

lubricants, solvents, acids/bases, or other such chemicals. Clean the instrument only with a clean

dry lint-free cloth or as instructed in this manual.

Not for critical applications.

This instrument is not authorized for use in contact with the human body or for use as a component

in a life-support device or system.

Do not touch live circuits

Instrument covers must not be removed by operating personnel. Component replacement and

internal adjustments must be made by qualified service-trained maintenance personnel who are

aware of the hazards involved when the instrument's covers and shields are removed. Under

certain conditions, even with the power cord removed, dangerous voltages may exist when the

covers are removed. To avoid injuries, always disconnect the power cord from the instrument,

disconnect all other connections (for example, test leads, computer interface cables, etc.),

discharge all circuits, and verify there are no hazardous voltages present on any conductors by

measurements with a properly-operating voltage-sensing device before touching any internal parts.

Verify the voltage-sensing device is working properly before and after making the measurements

by testing with known-operating voltage sources and test for both DC and AC voltages. Do not

attempt any service or adjustment unless another person capable of rendering first aid and

resuscitation is present.

Do not insert any object into an instrument's ventilation openings or other openings.

Hazardous voltages may be present in unexpected locations in circuitry being tested when a fault

condition in the circuit exists.

Servicing

Do not substitute parts that are not approved by B&K Precision or modify this instrument. Return

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

features are maintained.

Cooling fans

This instrument contains one or more cooling fans. For continued safe operation of the instrument,

the air inlet and exhaust openings for these fans must not be blocked nor must accumulated dust

or other debris be allowed to reduce air flow. Maintain at least 25 mm clearance around the sides

of the instrument that contain air inlet and exhaust ports. If mounted in a rack, position power

devices in the rack above the instrument to minimize instrument heating while rack mounted. Do

not continue to operate the instrument if you cannot verify the fan is operating (note some fans

may have intermittent duty cycles). Do not insert any object into the fan's inlet or outlet.

For continued safe use of the instrument

Do not place heavy objects on the instrument.

Do not obstruct cooling air flow to the instrument.

Do not place a hot soldering iron on the instrument.

Do not pull the instrument with the power cord, connected probe, or connected test lead.

Do not move the instrument when a probe is connected to a circuit being tested.

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.

vii

CE Declaration of Conformity

This instrument meets the requirements of the Low Voltage Directive (EC Directive 2006/95/EC),

Electromagnetic Compatibility Directive (EC Directive 2004/108/EC) and their amendments.

Safety Directive

-EN 61010-1: 2010

EMC Directive

-EN 61326-1:2013

-EN 61000-3-2:2006+A2:2009

-EN 61000-3-3: 2008

-EN 61000-4-2:2009

-EN 61000-4-3:2006+A1 :2008

-EN 61000-4-4:2004+A1 :2010

-EN 61000-4-5:2006

-EN 61000-4-6:2009

-EN 61000-4-11:2004

-CISPR 11:2009

viii

Safety Symbols

Refer to the user manual for warning

information to avoid hazard or personal

injury and prevent damage to instrument.

Electric Shock hazard

Alternating current (AC)

Chassis (earth ground) symbol.

Ground terminal

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.

Off (Supply). This is the AC mains

connect/disconnect switch on top of the

instrument.

Calls attention to an operating procedure,

practice, or condition which, if not followed

or handled correctly, could result in damage

to or destruction of the product, loss or

corruption of data, or incorrect

measurement.

Calls attention to an operating procedure,

practice, or condition which, if not followed

or handled correctly, could result in injury

or death.

Notations

TEXT –Denotes a softkey.

TEXT –Denotes a front panel button.

Contents

Safety Summary ..................................................................................................................... i

Compliance Statements...............................................................................................................vi

Safety Symbols...........................................................................................................................viii

Notations ............................................................................................................................viii

1General Information........................................................................................................ 1

1.1 Product Overview.............................................................................................................. 1

1.2 Package Contents .............................................................................................................. 1

1.3 Product Dimensions........................................................................................................... 2

1.4 Front Panel......................................................................................................................... 3

Front Panel Description..................................................................................................... 3

1.5 Rear Panel.......................................................................................................................... 4

Back Panel Description...................................................................................................... 4

1.6 Display Information ........................................................................................................... 5

User Interface Description ................................................................................................ 5

User Interface Functionality.............................................................................................. 6

2Getting Started................................................................................................................ 9

2.1 Input Power Requirements ............................................................................................... 9

2.2 Line Voltage and Fuse Requirements................................................................................ 9

2.3 Preliminary Check............................................................................................................ 11

Security Lock.................................................................................................................... 11

Verify AC Input Voltage ................................................................................................... 11

Connect Power ................................................................................................................ 11

Adjust the Support Feet .................................................................................................. 12

2.4 Power-on Inspection........................................................................................................ 12

Self-Test........................................................................................................................... 13

Self-Calibration................................................................................................................ 13

Check Model and Firmware Version ............................................................................... 13

Connect the Probe........................................................................................................... 13

Probe Compensation....................................................................................................... 13

Probe Safety .................................................................................................................... 14

Probe Attenuation........................................................................................................... 15

3Main Functions and Operating Descriptions................................................................... 16

3.1 Menu and Control Buttons.............................................................................................. 16

3.2 Connectors....................................................................................................................... 18

Analog and External Trigger Connectors......................................................................... 18

Digital Connector............................................................................................................. 18

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