B+K precision 2190E Manuale utente

Model: 2190E

100 MHz Digital Storage

Oscilloscope

USER MANUAL

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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

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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.

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

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iii

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.

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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 0 °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.

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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

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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.

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vii

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.

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viii

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.

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CE Declaration of Conformity

This instrument meets the requirements of 2006/95/EC Low Voltage

Directive and 2004/108/EC Electromagnetic Compatibility Directive with

the following standards.

Low Voltage Directive

-EN61010-1: 2001

-EN61010-031: 2002+A1: 2008

EMC Directive

-EN 61326-1:2006

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

-EN 61000-3-3: 2008

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