B+K precision 878B Manuale utente

Model 878B, 879B

Dual Display LCR

METER

INSTRUCTION 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.

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.

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.

Safety Guidelines

To ensure that you use this device safely,

follow the safety guidelines listed below:

 This meter is for indoor use, altitude up to

2,000 m.

 The warnings and precautions should be

read and well understood before the

instrument is used.

 When measuring in-circuit components, first

de-energize the circuits before connecting to

the test leads.

 Discharge capacitor before testing.

 The meter is safety-certified in compliance

with EN61010 (IEC 1010-1) Installation

Category II (CAT. II) 50 V, Pollution Degree

2 environment.

 Use the meter only as specified in this

manual. Otherwise, the protection provided

by the meter may be impaired.

 The power for the meter is supplied with a

single standard 9V battery. But also a line

operation is possible using a 12V AC to DC

adaptor. If a power adaptor is selected,

please be sure it fulfills the safety

requirements of a relevant IEC standard.

Safety Symbols

This symbol is a warning and

indicates that the user should refer to

the operating instructions located in

the manual.

DC Current

Indicates inside pin is positive (+),

outside is negative (-)

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.

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

TABLE OF CONTENTS

Safety Summary ........................................................ 1

Safety Guidelines ...................................................... 2

Compliance Statements ........................................... 4

INTRODUCTION ....................................................... 10

PACKAGE CONTENTS ........................................... 11

FRONT PANEL OVERVIEW .................................... 12

Front Panel Display Descriptions .................................. 13

Front Panel Buttons ...................................................... 15

LCD DISPLAY OVERVIEW ...................................... 17

LCD Display Descriptions ............................................. 17

Special Display Indicators ............................................. 19

POWERING INSTRUMENT ...................................... 20

Installing Battery ........................................................... 20

Connecting External Power Source .............................. 22

Low Battery Indication .................................................. 24

Backlit Display (model 879B only) ................................ 25

OPERATION INSTRUCTIONS ................................. 27

Data Hold ...................................................................... 27

Static Recording ........................................................... 27

L/C/R/Z Select Mode .................................................... 30

D/Q/θ/ESR Select Mode ............................................... 31

Test Frequency ............................................................. 31

Relative Mode ............................................................... 50

Tolerance ...................................................................... 52

Utility Menu ................................................................... 56

Parallel and Series Measurement Mode ....................... 67

Calibration .................................................................... 85

USB .............................................................................. 90

Automatic Fuse Detection ............................................. 91

QUICK START GUIDE ............................................. 93

CAUTION ..................................................................... 93

Inductance Measurement ............................................. 94

Capacitance Measurement ........................................... 96

Resistance Measurement ............................................. 98

Impedance Measurement (Model 879B only) ............... 99

REMOTE COMMUNICATION ................................ 101

Connecting Instrument to PC ...................................... 101

USB (Virtual COM) Configuration ............................... 103

USB Operation ........................................................... 103

Command Protocols ................................................... 105

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