INSTRUCTION MANUAL
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3443-01
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TEMPERATURE HiTESTER
Contents
Introduction
Safety Notes
Inspection
iv
Notes on Use
Chapter 1 Summary
1.1 Product Summary 1
1.2 Names and Functions of Parts
Chapter 2 Prior to Use 9
2.1 Battery Loading and Replacement 10
2.2 Setting the Date and Time
12
Chapter 3 Making Measurements 15
3.1 Start and Complete Measurement 15
3.2 Target Size and Sighting
3.3 Setting Emissivity (ε)
3.4 Storing the Data
3.5 Switching between Fahrenheit and Celsius,
and Erasing All Data from Memory
3.6 Turning the Power Off
3.7 Using the Temperature HiTESTER
with a Personal Computer
17
18
20
22
23
23
i
ii
v
1
3
Chapter 4 Specification 25
Chapter 5 Maintenance and Service
5.1 Troubleshooting 31
5.2 Questions and Answers
about Measurement
29
32
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Introduction
Thank you for purchasing this HIOKI "3443-01
TEMPERATURE HiTESTER." To get the
maximum performance from the unit, please read
this manual first, and keep this at hand.
i
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Introduction
ii
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Safety Notes
WARNING
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.
This manual contains information and warnings
essential for safe operation of the product and for
maintaining it in safe operating condition. Before
using it, be sure to carefully read the following
safety precautions.
Safety symbols
In the manual, the symbol indicates
particularly important information that the
user should read before using the
product.
Indicates warnings relating to the laser.
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Safety Notes
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iii
The following symbols are used in this Instruction
Manual to indicate the relative importance of
cautions and warnings.
Indicates that incorrect operation
DANGER
presents extreme danger of accident
resulting in death or serious injury to
the user.
Indicates that incorrect operation
presents significant danger of accident
WAR NING
resulting in death or serious injury to
the user.
Indicates that incorrect operation
CAUTION
presents possibility of injury to the user
or damage to the equipment.
Denotes items of advice related to
NOTE
performance of the equipment or to its
correct operation.
・Accuracy
rdg. (displayed or indicated value)
This signifies the value actually being measured,
i.e., the value that is currently indicated or displayed
by the measuring instrument.
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Safety Notes
iv
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・Check before use
Before using the unit, inspect it and check the
operation to make sure that the unit was not
damaged due to poor storage or transport conditions.
If damage is found, contact your dealer or HIOKI
representative.
Inspection
When you receive this product, before use, please
check that no abnormality or damage has occurred
during delivery. In particular, be sure to check the
accessories, the liquid crystal display, the control
keys, and the lens.
In the unlikely event of damage, or if the unit does
not function according to specification, you should
immediately contact the dealer from whom you
bought the unit, or the nearest
facility.
HIOKI
service
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Inspection
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v
Notes on Use
In order to ensure safe operation and to obtain
maximum performance from the unit, observe the
cautions listed below.
DANGER
･Operation of this unit according to any
procedure not specified in this manual may
cause explosion due to dangerous laser
radiation.
･The 3443-01 (field type unit) uses as a light
source a semiconducting laser which emits
visible light, and which conforms to JIS
standard class 2 (JIS C6802). (Wavelength
670nm, maximum power output 1 mW)
Since there is considerable danger of this laser
light causing damage to the eyes, be very
careful not to direct this laser light into your
eyes or those of another person.
･ Do not look directly into the laser light from the
optical system.
･ When measuring the temperature of an object
which has a mirror finish, be careful not to allow
the laser light beam to be reflected off the
surface into your eyes or those of another
person.
･ Do not allow the laser light beam to impinge
upon any gas which can explode.
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Notes on Use
vi
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WARNING
･To prevent electric shock, do not allow the unit
to become wet and do not use the unit when
your hands are wet.
･Ensure that protective functions are fail-safe:
that is to say, that if they fail they either prevent
the unit from operating or give an indication to
prevent unwitting operation.
CAUTION
･ Do not use the unit near any device which
generates strong electromagnetic radiation or near
a static electrical charge, as these may cause
errors.
･ The unit should always be operated indoors in a
range from 32
to 104 (0℃ to 40℃) and 35% to
85% RH or less. Do not use the unit in direct
sunlight, dusty conditions, or in the presence of
corrosive gases.
･ Do not store or use the unit where it will be
exposed to direct sunlight, high temperatures, high
humidity, or condensation. If exposed to such
conditions, the unit may be damaged, the insulation
may deteriorate, and the unit may no longer satisfy
its specifications.
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Notes on Use
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vii
CAUTION
･ This unit has been constructed with some degree of
water resistance, but if it is subjected to direct
contact with water for a long period of time, water
may get into the unit. Further, water drops left on
the lens will cause measurement errors. Wipe off
any water drops promptly.
･ Do not use the unit where it may be exposed to
corrosive or explosive gases. The unit may be
damaged, or explosion may occur.
･ To avoid damage to the unit, do not subject the
equipment to vibrations or shocks during transport
or handling. Be especially careful to avoid dropping
the equipment.
･ Do not point the lens at the sun or at any other
source of strong light. If you do, the sensor may be
damaged.
･ Do not contact the lens against the object whose
temperature is to be measured, or get it dirty, allow
it to be scratched, or allow any foreign material to
adhere to it. Doing so may cause errors.
NOTE
･ Before use, verify that no damage has occurred due
to careless storage or transport, and check the
appearance and operation of the unit.
･ When the
mark on the display is flashing, the
battery are low. Fit new battery.
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Notes on Use
viii
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Warning Labels
Location of labels used in the HIOKI "3443-01
TEMPERATURE HiTESTER" are as follows.
Laser caution label
Laser specification
and caution label
Front
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Notes on Use
Rear
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1
Chapter 1
Summary
1.1 Product Summary
1. Theory of Measurement
Every object emits infrared energy in accordance
with its temperature. By measuring the amount of
this radiant energy, it is possible to determine the
temperature of the emitting object.
2. About infrared
Infrared radiation is a form of light (electromagnetic
radiation), and has the property that it passes easily
through air, while it is easily absorbed by solid
matter.
With an emission thermometer which operates by
detecting infrared radiation, accurate measurement is
possible, irrespective of the air temperature or the
measurement distance.
3. Emission Thermometer Structure
Infrared radiation which has been emitted from the
object is focused upon an infrared radiation sensor,
via an optical system which includes a lens which is
transparent to infrared radiation, an 8μmcuton
filter, etc..
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Chapter 1 Summary
2
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The output signal from the infrared radiation sensor
is input to an electronic circuit along with the
output signal from a standard temperature sensor.
The electronic circuit calculates the object
temperature while applying standard temperature
compensation, thermal emissivity compensation,
etc., and displays the result.
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Chapter 1 Summary
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