Hioki 3285-20 Manuale utente
Contents
Introduction i
Verifying Package Contents ii
Safety Information iii
Operating Precautions viii
Preliminary Check xv
Chapter 1 Overview 1
1.1 Product Overview 1
1.2 Features 2
1.3 Names and Functions of Parts 3
1.4 Flowchart of button Operations 10
1.4.1 Current Measurements Mode 10
1.4.2 Voltage Measurements Mode 11
1.4.3 Frequency Measurements Mode 12
1.4.4 Resistance Measurements Mode 12
1.5 Modes 13
Chapter 2 Measurement 15
2.1 Preparations 15
2.1.1 Installing or Replacing the Battery 15
2.1.2 Attaching the Hand Strap 16
2.1.3 Turning the Power On and Off 16
2.1.4 Battery Low Warning (When mark lights) 17
2.1.5 Pre-Operation Inspection 18
3285B981-10
2.2 Current Measurement 19
2.2.1 Measuring DC Current (DC A) 19
2.2.2 Measuring AC Current (AC A) 21
2.2.3 Measuring AC/DC Current (AC+DC A) 22
2.2.4 Peak Hold Measurement 24
2.3 Voltage Measurement 26
2.3.1 Measuring DC Voltage (DC V) 26
2.3.2 Measuring AC Voltage (AC V) 27
2.3.3 Measuring AC/DC Voltage (AC+DC V) 28
2.3.4 Peak Hold Measurement 29
2.4 Frequency Measurement 31
2.4.1 Frequency Measurement in Current Mode 31
2.4.2 Frequency Measurement in Voltage Mode 32
2.5 Resistance Measurement 34
2.6 Continuity Check 36
Chapter 3 Useful Functions 39
3.1 Adjusting and Correcting Values 39
3.1.1 Auto-Zero-Adjustment Function 39
3.1.2 Zero-Cancel Correction Function 40
3.2 Pausing and Reading the Display
(Data Hold Function HOLD)41
3.3 Alteration of Counter Updates 42
3.3.1 SLOW mode 42
3.3.2 FAST mode 42
3.4 Storing Values in Memory
(Recording Function REC) 43
3.5 Automatically Turning Power Off
(Auto Power-Off Function APS)47
3.6 Beep Tone 48
Chapter 4 Specifications 49
4.1 Measurement Specifications 49
4.1.1 Current Measurement Specifications 49
4.1.2 Voltage Measurement Specifications 52
4.1.3 Resistance Measurement Specifications 54
4.1.4 Continuity Check 54
4.2 General Specifications 55
Chapter 5 Maintenanceand Service 59
5.1 Cleaning 59
5.2 After service 59
5.3 Troubleshooting 60
5.4 Error Massage 64
i___________________________________________________
Introduction
___________________________________________________
Introduction
Thank you for purchasing the HIOKI "3285-20
Clamp-on AC/DC HiTester."
To obtain maximum performance from the
instrument, please read this manual first, and keep it
handy for future reference.
Request
We have tried to bring this manual as close to
perfection as we could achieve. If perchance you
find any unclear portions, mistakes, omissions, or
the like, we would be most obliged if you could
please notify us of them via any HIOKI agent, or
directly.
ii___________________________________________________
Verifying Package Contents
___________________________________________________
Verifying Package Contents
When you receive the instrument, inspect it
carefully to ensure that no damage occurred during
shipping. In particular, check the accessories, panel
switches, and connectors.
If damage is evident, or if it fails to operate
according to the specifications, contact your dealer
or Hioki representative.
Main unit
3285-20 Clamp-on AC/DC HiTester
Supplied accessories
9345 Carrying Case 1
L9207-10 Test Lead (red and black) 1
Hand Strap 1
Battery 6F22(006P) 1
Instruction manual 1
iii___________________________________________________
Safety Information
___________________________________________________
DANGER
This instrument is designed to comply with IEC
61010 Safety Standards, and has been thoroughly
tested for safety prior to shipment. However,
mishandling during use could result in injury or
death, as well as damage to the instrument. Be
certain that you understand the instructions and
precautions in the manual before use. We disclaim
any responsibility for accidents or injuries not
resulting directly from instrument defects.
Safety Information
This manual contains information and warnings essential
for safe operation of the instrument and for maintaining
it in safe operating condition. Before using it, be sure to
carefully read the following safety precautions.
iv___________________________________________________
Safety Information
___________________________________________________
The symbol printed on the instrument
indicates that the user should refer to a
corresponding topic in the manual (marked with
the symbol) before using the relevant
function.
In the manual, the symbol indicates
particularly important information that the user
should read before using the instrument.
Indicates both DC (Direct Current) and AC
(Alternating Current).
Indicates DC (Direct Current).
Indicates that dangerous voltage may be
present at this terminal
Indicates a double-insulated device.
Indicates a grounding terminal.
Indicates that the instrument may be connected
to or disconnected from a live circuit.
Safety Symbols
v___________________________________________________
Safety Information
___________________________________________________
DANGER
Indicates that incorrect operation presents
extreme danger of accident resulting in
death or serious injury to the user.
WARNING
Indicates that incorrect operation presents
a significant hazard that could result in
serious injury or death to the user.
CAUTION Indicates that incorrect operation
presents a possibility of injury to the
user or damage to the instrument.
NOTE Indicates advisory items related to
performance or correct operation of the
instrument.
The following symbols in this manual indicate the
relative importance of cautions and warnings.
Accuracy
We define measurement tolerances in terms of f.s.
(full scale), rdg. (reading) and dgt. (digit) values,
with the following meanings:
f.s. (maximum display value or scale length)
The maximum displayable value or scale length.
This is usually the name of the currently selected
range.
rdg. (reading or displayed value)
The value currently being measured and indicated
on the measuring instrument.
dgt. (resolution)
The smallest displayable unit on a digital measuring
instrument, i.e., the input value that causes the
digital display to show a "1" as the least-significant
digit.Accuracy
Indice
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