1. SAFETY RULES
•
This Instrument is designed for indoor use at temperatures
between 32°F to 122°F (0°C to 50°C), altitudes up to 6500 ft.
(2,000 m), and 10% to 90% relative humidity.
•
To ensure that the instrument is used safely, follow all safety and
operating instructions in this manual. If the instrument is not used
as described in this operation manual, the safety features of this
device might be impaired.
• To avoid personal injuries and damage to the instrument use ex-
treme caution when working around hot machine or engine parts,
like radiators, exhaust manifolds, catalytic converters, etc.
2. INTERNATIONAL SYMBOLS
Important information
Refer to the User’s Manual
CAUTION: Laser Radiation
AVOID DIRECT EYE EXPOSURE
1mW Output at
630-670 nm
Class II Laser Product
3. TECHNICAL SPECIFICATIONS
3.1 General Specications
Display: 3½ digits LCD, Max. of 1999 display
with measuring units, laser on and
backlight indicators.
Resolution:
0.1 to 1 (°C or°F)
Operating Temperature:
32°F to 122°F (0°C to 50°C)
Response time:
<500 ms (approx.)
Target Size/ Field of View:
10:1 optics ratio with a 1” min. target
Repeatability:
0.5% of reading, plus one digit
Emissivity:
Fixed at 0.95
Laser Pointer:
Laser Diode, < 1mW output
wavelength 630-670 nm, Class II
Power Source: 9-volt battery type NEDA 1604,
IEC6F22 IEC 6LR61
Battery life: Approx. 20 hours (w/alkaline batteries)
Power Saving:
Automatic shut off after 7 seconds
Wavelength:
7 to 14 µm
Dimensions:
3.13”x 1.88”x 7.0” (80 x 48 x 178 mm)
Weight:
7.6 oz. (215 g) including battery.
Accessories: User’s manual, soft pouch, and 9 V
alkaline battery
3.2 Measurement Specications
•
Accuracies are ±(% of reading + number of least signicant
digits) at 23°C ±3°C (73°F ± 6°F) ambient temperature, with less
than 75% relative humidity.
4. OPERATION
4.1 Instrument Description
1) LCD Display
2) Backlight ON/OFF Button
3) °C/°F Select Button
4) ThermoSounder Button
5) LASER ON/OFF Button
6) IR Sensor
7) Laser pointer output
8) Measurement Trigger
9) Battery compartment cover
Function Range Accuracy (whichever is greater of) Resolution
Temper ature
ºC
-30°C to 0°C
± 2°C
0.1°C
0°C to 199.9 ºC
1°C or 1.5%+2 (whichever is greater)
200°C to 650°C 2.0% + 2 1°C
Temper ature
ºF
-22°F to 32°F
± 4°F
0.1°F
-32°F to 199.9 °F
2°F or 1.5%+4 (whichever is greater)
200°F to 1200°F
2.0% + 2
1°F
General Technologies Corp.
LTX12
Infrared Thermometer with Laser Sight
with ThermoSounder
4.2 Display Description
4.3 Measurement Procedures
4.3.1 Temperature Measurement
•
Hold the instrument by its handle, point the IR Sensor at the area
or object to measure, and press the Measurement Trigger.
•
While the Measurement Trigger is kept pressed, the instrument
will continuously measure and update the display with the
temperature of the object pointed at with the IR Sensor.
•
After the Measurement Trigger is released the instrument will
hold the last temperature reading for 7 seconds, then shut off
automatically.
4.3.2 Field of view or measurement target area
•
To ensure accurate temperature measurements, make sure
that the target object is larger than the unit spot size, at the
measuring distance.
•
The smaller the target, the closer you should be.
•
For maximum accuracy, make sure that the target area is at
least twice as large as the spot size.
Continuous measure
Display on hold
°F scale selected
°C scale selected
Measuring mode
Laser on
Backlight on
Low battery warning
Temperature readout
ThermoSounder on
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