Hioki 3284 HiTester Manual de usuario
3284
CLAMP ON
AC/DC HiTESTER
INSTRUCTION MANUAL
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Contents
Introduction i
Shipping Check ii
Safety iii
Attentions During Use vi
Organization of This Manual x
Chapter 1 Product Outline 1
1.1 Product Outline 1
1.2 Features 2
1.3 Parts and Functions 3
1.4 Flowchart of Key Operations 9
1.4.1 Current Measurements Mode 9
1.4.2 Voltage Measurements Mode 10
1.4.3 Frequency Measurements Mode 11
1.5 Modes 12
Chapter 2 Measurement Procedure 15
2.1 Preparations 15
2.2 Current Measurement 16
2.2.1 Measuring DC Current (DC A) 16
2.2.2 Measuring AC Current (AC A) 17
2.2.3 Measuring AC/DC Current (AC+DC A) 18
2.2.4 Peak Hold Measurement 20
2.2.5 Output Function 21
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
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2.3.4 Peak Hold Measurement 29
2.4 Frequency Measurement 30
2.4.1 Frequency Measurement in Current Mode 30
2.4.2 Frequency Measurement in Voltage Mode 31
2.4.3 Output Function For Frequency 32
2.5 Auto-Zero-Adjustment/
Zero-Cancel Correction Function 34
2.5.1 Auto-Zero-Adjustment Function 34
2.5.2 Zero-Cancel Correction Function 35
2.6 Data Hold Function HOLD 35
2.7 Alteration of Indication Updates 36
2.7.1 SLOW mode 36
2.7.2 FAST mode 36
2.8 Recording Function REC 36
2.9 Auto Power-Off Function APS 38
2.10 Battery Low Warning 39
2.11 Beep Tone 39
Chapter 3 Specifications 41
3.1 Measurement Specifications
(23℃±5℃, 80% RH max.) 41
3.1.1 Current Measurement Specifications 41
3.1.2 Voltage Measurement Specifications 46
3.2 General Specifications 48
Chapter 4 Battery Replacement 51
Chapter 5 AC Adapter (Optional) 53
Chapter 6 Attaching The Hand Strap 55
Chapter 7 Troubleshooting 57
Chapter 8 Service 63
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i
Introduction
Introduction
Thank you for purchasing this HIOKI "3284
CLAMP ON AC/DC HiTESTER." To get the
maximum performance from the unit, please read
this manual first, and keep this at hand.
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.
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ii
Shipping Check
Shipping Check
When the unit is delivered, check and make sure
that it has not been damaged in transit. In
particular, check the accessories, panel switches,
keys, and terminals.
If the unit is damaged, or fails to operate according
to the specifications, contact your dealer or HIOKI
representative.
Check the 3284 Unit and the Supplied
Accessories
Main unit
3284 CLAMP ON AC/DC HiTESTER
Supplied accessories
9399 Carrying Case 1
9207 Test lead (red and black) 1
Hand Strap 1
6F22(006P) 1
Instruction manual 1
Options
9094 OUTPUT CORD
9445 AC ADAPTER(UP01211090, POTRANS)
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iii
Safety
DANGER
This equipment is designed according to IEC
1010 Safety Standards, and has been tested for
safety prior to shipment. Incorrect
measurement procedures could result in injury
or death, as well as damage to the equipment.
Please read this manual carefully and be sure
that you understand its contents before using
the equipment. The manufacturer disclaims all
responsibility for any accident or injury except
that resulting due to defect in its product.
Safety
This Instruction Manual provides information and
warnings essential for operating this unit in a safe
manner and for maintaining it in safe operating
condition. Before using this unit, be sure to
carefully read the following safety notes.
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iv
Safety
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 significant danger of accident
resulting in death or serious injury to the
user.
CAUTION Indicates that incorrect operation
presents possibility of injury to the user
or damage to the equipment.
NOTE Denotes items of advice related to
performance of the equipment or to its
correct operation.
The following symbols are used in this Instruction
Manual to indicate the relative importance of
cautions and warnings.
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v
Safety
This symbols is affixed to locations on the
unit where the operator should consult
corresponding topics in this manual (which
are also marked with the symbol) before
using relevant functions of the unit.
In the manual, this mark indicates
explanations which it is particularly
important that the user read before using
the unit.
Indicates AC (Alternating Current).
Indicates DC (Direct Current).
Indicates both DC (Direct Current) and AC
(Alternating Current).
Indicates a device which is double-
insulated.
Safety Symbols
f.s. (maximum display or scale value, or length of scale)
Signifies the maximum display (scale) value or the
length of the scale (in cases where the scale consists
of unequal increments or where the maximum value
cannot be defined).
In general, this is the range value (the value written
on the range selector or equivalent) currently in use.
rdg. (displayed or indicated value)
Signifies the value actually being measured, i.e., the
value that is currently indicated or displayed by the
measuring instrument.
dgt. (resolution)
Signifies the smallest display unit on a digital
measuring instrument, i.e., the value displayed when
the last digit on the digital display is "1".
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vi
Attentions During Use
DANGER
･
･･
･Use clamp testers only on power lines up to 600
Vrms AC, to avoid short-circuits and accidents
that could result in injury or death.
･
･･
･Do not use clamp testers on bare conductors.
When the clamp core jaw is open, there is a risk
of short-circuits and accidents that could result
in injury or death.
･
･･
･Always connect the clamp sensor to the
secondary side of a breaker. On the secondary
side of a breaker, even if the lines are shorted
the breaker can trip and prevent an accident.
On the primary side, however, the current
capacity may be large, and in the event of a
short-circuits there may be a serious accident.
･
･･
･When using an AC adapter, use only a specified
AC adapter, HIOKI model 9445 (UP01211090,
POTRANS).
Attentions During Use
In order to ensure safe operation and to obtain
maximum performance from the unit, observe the
cautions listed below.
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vii
Attentions During Use
WARNING
･
･･
･To prevent electric shock, do not allow the unit
to become wet and do not use the unit when
your hands are wet.
･
･･
･To avoid electric shock accidents, when
carrying out measurement on live lines, wear
proper protective gear, including insulating
rubber gloves, insulating rubber boots, and
safety helmet, and use extreme caution.
･
･･
･During current measurement, to avoid an
electric shock accident, do not connect the test
leads to the unit.
･
･･
･Do not input voltage exceeding 600 Vrms (1000
V max.).
･
･･
･To avoid electric shock when replacing the
batteries, first disconnect the clamp portion
from the object to be measured. Also, after
replacing the batteries, always replace the back
case before using the unit.
･
･･
･When replacing the batteries, be sure to insert
them with the polarity correct.
･
･･
･Do not short-circuits used batteries,
disassemble them, or throw them in a fire.
Doing so may cause the batteries to explode.
･
･･
･Be sure to dispose of used batteries according
to their type in the prescribed manner and in the
proper location.
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