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Hand-held
Infrared Radiation
Thermometer
IRT-100-TA
s
Instruction Manual
Read this manual before using the instrument.
SHINKO TECHNOS CO., LTD.
CE Marking: Conforms to EMC directive(89/336/EEC, 92/31/EEC
amendment,93/68/EEC amendment)
EN55011 Group 1, Class B, EN50082-1
■Specifications
Measuring range -40 to 500℃
Detecting element Thermopile
Measuring wavelength ８ to 14 μm
Measuring diameter φ45 /500mm (Optical sensitivity: 90%)
Measuring accuracy
Within ±1% of measured value or within ±2℃,
whichever is greater. However, –30 to 0℃:
Ｗｉｔｈｉｎ±3℃, Lower than -30℃: Ｗｉｔｈｉｎ±5℃
（At ２５
℃ ambient temperature）
Repeatability Within ±1℃
Stability ±5℃ (under EMC test)
Response time 0.8 seconds (90% response)
Collimation Laser beam marks the center of the area
measured
Beam diameter Approx. 5mm (at a distance of 1m)
Beam output Less than 1mW , 670nm (IEC, class Ⅱ)
Display indications Current reading, Maximum reading, Minimum
reading, Reading hold, Emissivity, Alarm value,
Low battery
Auto power off Automatically shuts power off in 30 seconds
after Reading hold
Alarm High limit alarm (with a beeper)
Emissivity correction Selectable from DARK (0.95), BRIGHT (0.80),
FREE (variable from 0.30 to 1.90, Initial value:
1.00)
Display illumination Automatic back-light
Operating temperature 0 to 50℃
Storage temperature -20 to 55℃
Power source Alkaline battery, AA (UM-3) type, 2 pieces
Battery life Approx. 50 hours for continuous measurement
Dimension 81 (W) x 142 (H) x 32 (D) mm
Weight Approx. 180g
Accessories Alkaline battery AA (UM-3) type, 2 pieces
Instruction manual, 1 copy
Ｖｉｎｙｌ case, 1 piece
CAUTION - Laser Light
Do not aim laser beam toward faces.
Do not stare into beam or into reflections of the beam
off mirror-like surfaces.
Do not attempt to open the housing, other
than to change the batteries. There are no other
user-serviceable parts inside.
■Safety Precautions
●Do not touch the instrument on an object being tested. A contact with an
object at a high temperature can cause irreparable damage to the instrument
or inaccurate readings.
●Do not touch the measuring window of the instrument with hard objects.
Do not let foreign objects penetrate the measuring window or a hard object
drop on the window.
●Always put the cap back on the measuring window after measurement to
prevent foreign objects from penetrating the window.
●In order to protect the optical system of the instrument, do not subject the
instrument to extreme shocks and vibration.
●Keep the instrument away from objects with built up static charges.
●Select the proper emissivity value for accurate readings.
●When there is a rapid change to the ambient temperature, wait a while to let
the temperature of instrument stabilize for accurate readings.
●When the instrument is put in storage or not in use for a long period of time,
remove the batteries from the instrument.
●Do not use or store the instrument at a location where;
temperature and/or humidity are high,
the instrument is exposed to the direct sunlight,
there is a lot of dust.,
there are greasy fumes or corrosive gasses,
as the measuring window may become deteriorated or soiled, causing
inaccurate readings.
●Do not use the instrument in water o r other flui ds. Do not st ore the instrument
where it can come into contact with water.
●Keep the instrument away from objects which produce a strong magnetic field.
■Relation of Distance and
Measuring Diameter
The figure below shows the required minimum area (optical sensitivity: 90%) on
an object being tested at a distance of 500mm and 1000mm.
The measured area increases with distance.
When measuring, the distance should be as short as possible.
■Troubleshooting
■Maintenance
Measuring Window
Dust, stains and flaws on the measuring window cause inaccurate readings.
Wipe stains off with a sof t cloth used for lenses of camera. Use absorbent cotton
dipped into neutral detergent diluted with water to remove tough stains.
Note
Use of other substance other than neutral detergent can damage the window to
cause the laser beam to scatter.
Other Parts of the Instrument
Clean the instrument with a dry cloth. To remove tough stains, use a damp cloth
from which water-diluted neutral detergent has been rinsed out. Use of paint
thinner, benzine, alcohol and other chemicals may blur the display window, erase
markings or cause the enclosures to crack. It is preferable to keep the instrument
in the carrying case.
No.IRTTA11E1 2001.12
SHINKO TECHNOS CO.,LTD.
OVERSEAS DIVISION
:
:
:
:
Reg. Office
Mail Address
URL
E-mail
2-48, 1-Chome, Ina, Minoo, Osaka, Japan
P.O.Box 17, Minoo, Osaka, Japan
http://www.shinko-technos.co.jp
overseas@shinko-technos.co.jp
Tel :
Fax:
81-727-21-2781
81-727-24-1760
Symptoms Causes Countermeasures
No display appears.
Batteries have been used up or they have not
been inserted correctly.
Replace or insert them correctly.
Laser beam is not
emitted or is weak.
Battery voltage is low.
Measurement is possible. Replace batteries when the laser maker is
necessary.
Cap is not removed. Check if the cap has been removed.
Measuring window is dirty. Clean the measuring window, referring to the“Maintenance” section.
Measurement was done with maximum or
minimum reading.
Check the measuring condition. Switch it to current reading.
Heat source nearby affects the measurement. Shield the heat sour ce with a shielding plate.
Emissivity is not selected properly.
If emissivity is unknown, refer to“Reference”. Or measure temperature
with a contact type thermometer and obtain adequate emissivity by
changing it to have same temperature as measured on condition of
emissivity selection at FREE.
Target area is too small. Check the target area and keep a sufficient area for measurement.
Unstable reading Unit is affected by rapid temperature change. Leave unit alone to stabilize its temperature, then measure.
Out of measuring temperature range. Check the target to be measured.
Emissivity selection setting is not matched. Same as above countermeasure.
Reading is blinking. Ambient temperature is out of specified range. Check operation environment.
Abnormal reading.
No reading appears
but display is 【---】.
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Measurement Display
While pressing MEASURE key, aim the laser beam at an object bein
g
tested. MEAS is shown on the display to indicate that the instrument is in
measuring mode. Release MEASURE key to stop measurement. The
display reading is automatically frozen, with HOLD shown on the display.
To display maximum or minimum reading;
In the HOLD mode, press MODE key to display the maximum reading.
MAX is shown on the display. Press MODE key again to display the
minimum reading. MIN is shown on the display.
To display only the maximum or minimum reading during measurement;
With MAX or MIN shown on the display, press MEASURE key. Updated
maximum or minimum reading is shown on the display.
If no key is pressed for 30 seconds after the reading is frozen, th
e
instrument automatically turns itself off. Pressing MEASURE key to turn
on the instrument cancels stored maximum or minimum reading. When the
batteries wear out, stored
maximum or minimum reading is canceled a
s
well.
Battery
(1) Installing Batteries
Press the battery compartment cover on its top and bottom as shown
below to remove it. Install batteries in correct polarity as shown inside
the battery compartment.
(2) Replacing Batteries
Replace the batteries when the
low battery symbol appears on the
display or the display blinks.
Note Always replace both batteries.
Settings
(1) Emissivity
Emissivity of an object being tested can be selected from DARK (0.95),
BRIGHT (0.8) or FREE (variable from 0.3 to 1.90).
When the instrument is turned on, emissivity is set to DARK. A bar
appears under DARK, BRIGHT or FREE on the display to indicate which
one is selected. Press ▲ key to change selection. When FREE is
selected, emissivity is set to 1.00. To change this value;
① Press MEASURE key to turn on the instrument.
② While pressing ENT key, push MODE key. ALARM is shown on the
display.
③ Press MODE key. 1.00 or the value set previously is shown on the
display, with the least significant digit blinking.
Press ▲ or ▼ key to change the blinking
number and press ENT key. Repeat the same step
on the other digits.
④ Press MODE key to switch the instrument to measuring mode.
(2) Alarm
If readings exceed a certain value, the beeper sounds and ALARM blinks
on the display. To set the alarm value;
① Press MEASURE key to turn on the instrument.
② While pressing ENT key, push MODE key.
699 or the value set previously is shown on the
display, with the least significant digit blinking.
③ Press ▲ and ▼ key to change the blinking
number and press ENT key. Repeat the same step on
the other digits.
To set 2-digit value, display “0” on the most significant digit.
To set a negative value, display ”－”on the most significant digit.
④ Press MODE key to switch the instrument to measuring mode.
Emissivity
DARK :0.95
BRIGHT:0.80
FREE :0.3 to 1.90 variable
Displays temperature
readings, emissivity
value or alarm value
MEAS：Displayed during measurement
HOLD：Displayed during hold mode
Low Battery Symbol
Blinks when batteries wea
r
out
MAX ： Displayed when th
e
maximum reading i
s
shown
MIN ： Displayed when th
e
minimum reading i
s
shown
ALARM: : Displayed durin
g
alarm setting and blink
s
during alarm
Displayed when temperatur
e
readings are shown
Displayed when emissivit
y
value is shown
■Setting Emissivity (reference)
The table below shows emissivity for some materials. Please note that these values
are just for reference and only apply to IRT-100-TA. Infrared radiation depends on
materials, condition of the surface and ambient temperature.
Material Emissivity Material Emissivity
Water, Ice 0.98 Cloth, Fabric
(colored)
0.95
Soil 0.92 to 0.96 Leather, Fur 0.96
Concrete (wet) 0.96 to 0.98 Human skin 0.99
Concrete (dry) 0.91 to 0.95 Vegetable, Fruit 0.98
Ceramic 0.85 to 0.95 Dough 0.98
Plaster, asbestos 0.92 Meat 0.98
Plastic 0.90 to 0.95 Copper oxide 0.5 to 0.6
Rubber (black) 0.95 Ferro-oxide 0.7 to 0.8
Wood 0.98 Painted surface 0.8
Paper 0.92 Tile 0.8
Estimating emissivity using the Black Body Tape
Place a piece of the black body tape (emissivity: 0.94) on an o bject. Set emissivity to
0.94 in FREE mode and measure the temperature of the object. Then remove the tape
from the object. Measure its temperature again and adjust emissivity value so that
readings match the temperature measured with the black body tape attached on the
object. The adjusted value i s the emissivity of the object. The black body tape is
available as an option.
Measure Key
Measurements are taken whil
e
this key is pressed. Releasin
g
this key freezes the las
t
reading and automatically turn
s
the instrument off in 3
0
seconds, if no key is pressed.
Mode Key
Display the current, the
maximum or the minimum
reading, and selects settin
g
mode.
Up Key
Selects DARK, BRIGHT o
r
FREE, and sets emissivity an
d
alarm value.
Down Key
Sets emissivity and alarm
value.
Entry Key
Registers set values an
d
switches the instrumen
t
setting mode.
Brightness Sensor
Automatically lights up the displa
y
back-light when it becomes dim.
Display
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