B+K precision 878B Manuale utente
Model 878B, 879B
Dual Display LCR
METER
INSTRUCTION MANUAL
1
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
2
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:
3
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.
4
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)
5
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.
6
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
7
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
8
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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