Hioki 3286 Manual de usuario
POWER HiTESTER
CLAMP ON
INSTRUCTION MANUAL
3286
Contents
Introduction i
Shipping Check ii
Safety iii
Attentions During Use vii
Organization of This Manual xii
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 Harmonic Measurement 11
1.4.3 Change the Range 11
Chapter 2 Measurement Procedure 13
2.1 Preparations 13
2.2 Connections 14
2.3 Range Setup 20
2.4 Power Measurement 21
2.4.1 1φ
φφ
φP Meter, 1φ
φφ
φPF Meter and 3φ
φφ
φPF Meter 22
2.4.2 Power and Power Factor 25
2.4.3 Phase Detection 27
2.4.4 Current 28
2.4.5 Voltage 29
2.5 Harmonic Measurement 30
2.5.1 Current Harmonics 30
2.5.2 Voltage Harmonics 32
2.6 Data Hold Function HOLD 33
2.7 SLOW Mode 33
2.8 Recording Function REC 33
2.9 SETUP Function 35
2.10 Measurement Condition Save Function 36
2.11 Auto Power-Off Function APS 37
2.12 Battery Low Warning 37
2.13 Beep Tone 37
2.14 DATA OUTPUT 38
Chapter 3 Specifications 39
3.1 Measurement Specifications
(23 5, 80% RH max.) 39
3.1.1 AC Current Measurement Specifications 39
3.1.2 AC Voltage Measurement Specifications 40
3.1.3 Specifications of Single-phase Power
Measurement 1φ
φφ
φPMeter 41
3.1.4 Specifications of Power Factor
and Phase Angle Measurements
1φ
φφ
φPF Meter and 3φ
φφ
φPF Meter 42
3.1.5 Specifications of Balanced Three-phase
Power Measurements 43
3.1.6 Specifications of Frequency Measurement 44
3.1.7 Specifications of Harmonic Measurement 44
3.2 General Specifications 45
3.3 Operation Expressions 48
Chapter 4 Battery Replacement 51
Chapter 5 Attaching The Hand Strap 53
Chapter 6 Troubleshooting 55
Chapter 7 Service 57
i
Introduction
Introduction
Thank you for purchasing this HIOKI "3286
CLAMP ON POWER HiTESTER." To get the
maximum performance from the product, please read
this manual first, and keep this at hand.
Importance
This product is the clamp on power meter which
keeps measurement function of the multiple
functions. If you set up a function mode in
advance, the mode will start up from the next use.
Have it set up for the preferable use. (Refer to "2.10
Measurement Condition Save Function)
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
Shipping Check
Shipping Check
When you receive the product, 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.
Check the 3286 Unit and the Supplied
Accessories
Main unit
3286 CLAMP ON POWER HiTESTER
Supplied accessories
9355 Carrying Case 1
9635 Voltage cord 1
Hand Strap 1
Battery 6LF22 alkaline battery 1
Instruction manual 1
Options
9636 RS-232C CABLE
9636-01 RS-232C PACKAGE
9442 PRINTER (DPU-414, Seiko Instrument Inc.)
iii
Safety
DANGER
This equipment is designed according to IEC
61010 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 manual contains information and warnings
essential for safe operation of the product and for
maintaining it in safe operating condition. Before
using the product, be sure to carefully read the
following safety notes.
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 symbol printed on the product
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 product.
Indicates AC (Alternating Current).
Indicates DC (Direct Current).
Indicates a device which is double-
insulated.
The following symbols in this manual indicate the
relative importance of cautions and warnings.
Safety Symbols
v
Safety
We define measurement tolerances in terms of rdg.
(reading) and dgt. (digit) values, with the following
meanings:
rdg. (reading or displayed value)
The value currently being measured and indicated
on the measuring product.
dgt. (resolution)
The smallest displayable unit on a digital measuring
product, i.e., the input value that causes the digital
display to show a "1".
Overvoltage Categories
To ensure safe use of measurement, IEC 60664
establishes safety level standards for different
locations, classified as CAT I through CAT IV, and
called overvoltage categories. These are defined as
follows.
CAT I: Secondary electrical circuits that are
connected to a wall outlet through a
transformer or similar device.
CAT II: Primary electrical circuits in equipment
connected to a wall outlet via a power
cord (portable tools, household appliances,
etc.)
CAT III: Primary electrical circuits of heavy
equipment (fixed installations) connected
directly to the distribution panel, and
feeders between the distribution panel and
outlets.
CAT IV: The circuit from the service drop to the
service entrance, then to the power meter
and to the primary overcurrent protection
device.
vi
Safety
Higher-numbered categories correspond to electrical
environments with greater momentary energy, so a
measurement device designed for CAT III
environments can endure greater momentary energy
than a device designed for CAT II. Use of a lower
category product in a higher category environment
could result in a severe accident and must be
carefully avoided.
vii
Attentions During Use
DANGER
To avoid short circuits and potentially life-
threatening hazards, never attach the clamp to a
circuit that operates at more than the maximum
rated voltage / 600V, or over bare conductors.
Clamp-on probe should only be connected to
the secondary side of a breaker, so the breaker
can prevent an accident if a short circuit occurs.
Connections should never be made to the
primary side of a breaker, because unrestricted
current flow could cause a serious accident if a
short circuit occurs.
WARNING
To avoid electric shock, do not allow the
product to get wet, and do not use it when your
hands are wet.
To avoid electric shock when measuring live
lines, wear appropriate protective gear, such as
insulated rubber gloves, boots and a safety
helmet.
Attentions During Use
Follow these precautions to ensure safe operation
and to obtain the full benefits of the various
functions.
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