B+K precision 8550 Series Bedienungsanleitung

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 specied 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 denes 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 denes 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.

Electrical Power

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

power should be 115 V RMS or 230 V RMS. Use only the power cord supplied with the instrument and

ensure it is appropriate for your country of use.

Do not use this instrument in an electrical environment with a

higher category rating than what is specied 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.

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

ammable atmosphere.

Environmental Conditions

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 20% to 80% relative humidity, with no condensation allowed.

Measurements made by this instrument may be outside specications if the instrument is used in non-

oce-type environments. Such environments may include rapid temperature or humidity changes, sunlight,

vibration and/or mechanical shocks, acoustic noise, electrical noise, strong electric elds, or strong

magnetic elds.

Do not operate the instrument in the presence of ammable gases or

vapors, fumes, or nely-divided particulates.

The instrument is designed to be used in oce-type indoor

environments. Do not operate the instrument

• In the presence of noxious, corrosive, or ammable fumes,

gases, vapors, chemicals, or nely-divided particulates.

• In relative humidity conditions outside the instrument’s

specications.

• 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 specied operating temperatures.

• In atmospheric pressures outside the specied altitude limits or

where the surrounding gas is not air.

• In environments with restricted cooling air ow, even if the air

temperatures are within specications.

• In direct sunlight.

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.

Hazardous voltages may be present in unexpected locations in

circuitry being tested when a fault condition in the circuit exists.

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

Do not touch live circuits

Instrument covers must not be removed by operating personnel.

Component replacement and internal adjustments must be made

by qualied 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 rst aid and resuscitation is present.

General Safety

Do not insert any object into an instrument’s ventilation openings or

other openings.

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.

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.

Fuse replacement must be done by qualied service-trained

maintenance personnel who are aware of the instrument’s fuse

requirements and safe replacement procedures. Disconnect the

instrument from the power line before replacing fuses. Replace

fuses only with new fuses of the fuse types, voltage ratings, and

current ratings specied in this manual or on the back of the

instrument. Failure to do so may damage the instrument, lead to a

safety hazard, or cause a re. Failure to use the specied fuses will

void the warranty.

For continued safe use of the instrument

• Do not place heavy objects on the instrument.

• Do not obstruct cooling air ow 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.

Safety Symbols

Symbol Description

Indicates a hazardous situation which, if not avoided, could result in death

or serious injury.

Indicates a hazardous situation which, if not avoided, will result in minor or

moderate injury.

Refer to the text near the symbol.

Electric Shock hazard

Alternating current (AC)

Chassis ground

Earth ground

Indicates the In position of the power switch when instrument is ON.

Indicates the Out position of the power switch when instrument is OFF.

Indicates practices not related to physical injury.

Table 1 Safety Symbols

Contents

1 Introduction 11

1.1 Product Overview 11

1.2 Contents 12

1.3 Features 12

1.4 Dimensions 13

1.5 Front Panel 14

1.6 Rear Panel 15

2 Getting Started 16

2.1 Preliminary Information 16

2.2 Input Power and Fuse Requirements 17

2.3 Fuse Replacement 18

3 Basic Front Panel Operation 19

3.1 Function Keys 20

3.1.1 Mode Key 20

3.1.2 System Key 21

3.1.3 Short Key 21

3.1.4 Lock/Local Key & Screenshots 22

3.2 Softkeys 22

4 Modes 23

4.1 Static Mode 24

4.1.1 Constant Current 25

4.1.2 Constant Voltage 26

4.1.3 Constant Resistance 27

4.1.4 Constant Power 28

4.2 Transient Mode 29

4.2.1 Continuous 29

4.2.2 Pulse 30

4.2.3 Toggle 30

4.3 List Mode 31

4.3.1 Continuous List Operation 31

4.3.2 Count List Operation 31

4.3.3 Step List Operation 32

4.3.4 File Conguration 33

4.4 CR-LED Mode 34

4.5 Battery Test Function 35

4.6 Time Test 37

4.7 Over-Current Protection Test (OCPT) 38

4.8 Over-Voltage Protection Test (OVPT) 40

4.9 Over-Power Protection Test (OPPT) 41

4.10 Load Regulation Mode 42

4.11 Sweep Mode 43

4.12 Automatic Test Mode 44

5 System 46

5.1 System Conguration 47

5.1.1 Language 47

5.1.2 Beep Sound 47

5.1.3 Sense 47

5.1.4 Power-On 47

5.1.5 Display 48

5.1.6 Source 49

5.1.7 External Programming 49

5.2 Von/Vo 49

5.3 Protect 50

5.3.1 Over-Voltage Protection 50

5.3.2 Over-Current Protection 50

5.3.3 Over-Power Protection 50

5.3.4 Delay 50

5.4 File Store 51

5.5 Communication Setup 52

5.6 Limit 53

6 Handler 54

6.1 ON Function 55

6.2 TRIG 55

6.3 VF/EXT-PROG 55

6.4 Pass/Fail 55

7 Service Information 56

8 LIMITED THREE-YEAR WARRANTY 57

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