General Tools IRT4 User Manual
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The meter conforms to the following
standards:
• EN 50081-1/1992: EN 55022
• EN 50082-1/1997: EN 55024
(EN 61000-4-2/-3/-8, ENV 50204)
The meter complies with the essential
protection requirements of Council Directive 89/336/EEC on the approximation of the laws of Member States relating to electromagnetic compatibility.
EMC
tested
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3/2006
Congratulations on your purchase of the
MANNIX Infrared Thermometer, Model
IRT4. The compact size lets you get into
tight places while its convenient laser targeting and high distance-to -spot ratio give
you accurate readings on distant targets.
• Precise non-contact Measurements
• Selectable in °F and °C Temperature
Units
• Automatic Data Hold
• Laser Target Pointer
• The meter provides simple one hand
operation and time saving tempera ture measurement. Be sure the mea sure object fills the “spot” seen by the
aperture.
• There will be a delay of approximately
one second between the time you ini-
tially press the button and the time the
display comes on.
• Not recommended for measuring on
shiny surfaces. The smaller the target
,
the closer the unit should be to it. To
avoid thermal shock, do not store the
meter below freezing.
• The meter is preset to measure objects
with an emissivity of 0.95. This will ac commodate the majority of items mea sured without compensating for higher
or lower values. In most cases, there will
be little difference in measurements,
even if an object’s emmissiviy is higher
or lower than this preset value. Compare
and
confi rm with known values, if in
doubt.
! Use extreme caution when the laser
beam is turned on.
! Do not point the laser toward the eyes or
face of a person or animal. Lasers
potential to cause damage is retained for
hundreds of feet.
! Be careful not to let the beam on a
reflective surface strike your eye.
! Do not use near any flammable items
or gases.
CAUTION
FRONT PANEL DESCRIPTION
OPERATION MANUALOPERATION MANUAL
MODEL IRT4MODEL IRT4
Infrared Thermometer
Mannix Testing & Measurement
P.O. Box 866, Lynbrook, NY 11563
www.mannix-inst.com
Mannix Testing & Measurement is a
leader in the fi eld of temperature, humidity, air fl ow and digital technology.
We offer a wide variety of instruments
including:
• Digital Thermometers
• Analog Thermometers
• Temperature & Humidity Monitors
• Digital Anemometers
• Digital Timers
• Stopwatches
• Weather Stations
• Rain Gauges
Please visit our website for additional
information or to request a product
catalog.
CE CERTIFICATIONMATERIALS SUPPLIED
1 YEAR WARRANTY
RETURNED GOODS AUTHORIZATION
This standard package contains:
• IRT4 Infrared Thermometer
• Battery (9.0 volt)
• Operation manual
• Carry pouch
The meter is warranteed to be free from
defects in material and workmanship
for a period of one year from the date of
purchase. This warranty covers normal
operation and does not cover battery,
misuse, abuse, alteration, tampering,
neglect, improper maintenance or damage resulting from leaking batteries.
Proof of puchase is required for warranty
repairs. Warranty is void if the meter has
been opened.
Verbal or written authorization must be
obtained from the supplier before returning items for any reason. When requesting an RGA (Return Goods Authorization)
number, please include data regarding
the reason for the return. The meter
must be returned along with original
packing (including all accessories). To
prevent any damage in shipment, one
should insure the parcel against possible damage or loss.
TROUBLESHOOTING
MAINTENANCE
BATTERY REPLACEMENT
MEASUREMENT OPERATION
INDICATOR
Measuring Range: -4°~788°F (-20~420°C)
Resolution: 1°F (1°C)
Accuracy: ±2% of reading or 4°C
Accuracy Notes:
1) Accuracy stated is for ambient
temperature
2)
Accuracy stated is for emissivity of 0.95
Emissivity: 0.95 fi xed
Distance Factor: D:S = Approx. 8:1
Sampling Rate: 1 second
Display: LCD display with backlight
Power Off:
Auto shut off after 4 seconds
Operating Temp.:
32°~122°F (0°~50°C)
Operating Humidity:
Maximum of 80% RH
Power Supply: 9-Volt Battery
Power Current: Approx. 12mA DC
Weight: 6.4 oz.(200g)
Dimensions: 6.7” x 1.7” x 1.6”
A. Power ON/OFF
The meter automatically powers up when
the MEASURE key is pressed. Press the
MEASURE key to read the measured temperature on the LCD. The meter powers
off automatically, approximately 4 seconds after the measure key is released.
B. Selecting Temperature Units (F/C)
Select temperature units (°F/°C) by fi rst
pressing the MEASURE key and then
pressing the C/F key. The units will blink
on the LCD.
\
C. Data Hold
This meter automatically holds the last
temperature reading on the LCD for fi ve
seconds after the MEASURE key is released. No extra key presses are necessary to freeze the displayed reading.
D. Backlight LCD
Select backlight by fi rst pressing the
MEASURE key and then pressing the
BACKLIGHT key. Repeat the procedure to
turn the backlight off.
E. Laser Pointer
To turn the laser pointer on, press the
LASER key while pressing the MEASURE
key. Repeat the procedure to turn the laser OFF.
F. Measurement Considerations
While holding the meter by its handle,
point the IR Sensor toward the object
whose temperature is to be measured.
The meter automatically compensates
for temperature deviations from ambient temperature.
Keep in mind that it will take up to 30
minutes to adjust the wide ambient temperature changes. When low temperature are to be measured followed by high
temperaturemeasurements, some time
(several minutes) is required after the
low (and before the high) temperature
measurements are made. This is the
result of a cooling process which must
take place for the IR Sensor.
A fl ashing display is the indication the
battery voltage has fallen into the critical region (6.5 to 7.5V). Reliable readings can be obtained for several hours
after the fi rst appearance of low battery
indication.
Open the Battery Compartment and remove the battery, then install a new battery and replace the cover.
? Meter does not turn off - Check voltage
and replace low battery. Or check time
delay which is allows 1 second for data
to appear on screen.
? Data fl ashing or laser comes on but no data
appears - Check battery voltage and then
replace low battery.
? Dashes appear on the screen - Check ex-
treme temperature, measure surrounding area to see if the target exceeds the
limit.
?
No laser appears - Press the MEASURE
and LASER keys at the same time to correct.
Case cleaning:
Clean the exterior housing of the unit
with a damp cloth (use caution). Ensure
no water or soap is allowed inside the
meter or on the infrared lens.
Lens cleaning:
WARNING: We recommend cleaning the
lens periodically to ensure the reading
accuracy. To remove any particles on the
lens, use low pressure compressed air.
If the contamination cannot be removed
with air, use a soft cotton swab. The
swab should be slightly damp and very
light pressure should be applied. Do not
use solvents to clean the lens!
1. Laser Icon 4. °F (Farenheit)
2. Digital Readout 5. BAT (battery indicator)
3. °C (Celsius)
8.8.8
BAT
°F
°C
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1
FRONT PANEL DESCRIPTION
Laser
D:S = 8:1
(Distance)
S 4”
Spot Center
D 4.4” 15.75“ 31.5”
S Ø 0.55” Ø 1.95” Ø 3.9”
1. Laser Pointer Beam
2. IR Sensor
3. LCD Display
4. °F/°C Select Key
5. Backlight Select Key
6. Measure Key
7. Laser Key
8. Battery Compartment
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LVD
tested
Germany
Germany
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RF
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www.mannix-inst.com
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