2.Locating a hot spot aim the thermometer outside the
area of interest, then scan across with up and down
motions until you locate the hot spot.(please turn on the
laser to for accurate measuring)
3.Diagram description
(1)
MEAS button
：
Press the measurement button to display
the surface temperature.
(2)
Back light / Laser pointer button
：
press it for turn
on Back light, press again for turn off
，
When
product working, press it for turn on Laser pointer,
press again for turn off.
(3)
K-type thermocouple button
：
Press for turn on
K-type thermocouple measure mode
（
only for
K-type
）
.
Note : As a result of operation principle different . the
measure result maybe have a few error of NTC and
infrared, it is normal situation.
(4)
Celsius/Fahrenheit switch button: press direct for
℃
/
0
F
select
.
(5)
LCD
(6)
Battery door: When replace battery door, please
using the finger indents to pull open the battery
door.
3
、
Maintenance
1) Lens cleaning: Blow off lose particles using clean
compressed air. Gently brush remaining debris away
with a moist cotton cloth.
2) Case cleaning: Clean the case with a damp
sponge/cloth and mild soap.
3)
Please take out the battery when not using for a long
time.
Note:
1) Do not use solvent to clean lens.
2) Do not submerge the unit in water.
4
、
specifications
Temperature
range
-30
℃
to 275
℃
(-22to527
0
F)
Accuracy
±
2
℃
,
-30
℃
to 0
℃
(-22 to 32
0
F)
±
1
℃
,
0
℃
to 65
℃
(32 to 149
0
F)
±
1.5% of rdg+1
℃
,
≥
65
℃
(149
0
F)
Emissivity
0.95
Ambient
operating
range
0
℃
to ~60
℃
(32 to 140
0
F)
Relative humidity
10-95% RH noncondensing
Storage temperature
-20~60
℃
(-4~140
0
F) without battery
Ambient
temp
range of guarantee
for accuracy
23
℃
~28
℃
Weight/dimensions
81g;56.5
×
20.5
×
95.0mm
Power
1.5V AAA
×
2
Battery life(alkaline)
Laser models:12hrs
Display spot size
6:1
Note:
Display
“
AL
”
means Ambient temp lower than 0
℃
”
;
Display
“
AH
”
means Ambient temp higher than 60
℃
”
;
Display above code in normal Ambient temp, probable
means this meter was broken.
Attached list
：
Applicable Emissivity for
Different Material ( For reference only)
Material
Emissivity
Material
Emissivity
Asphaltum
0.90 to 0.98
Textile
（
Black
）
0.98
Beton
0.94
Human Skin
0.98
Cement
0.96
Soap bubble
0.75 to 0.80
Sand
0.90
Charcoal
（
powder
）
0.96
Soil
0.92 to 0.96
Lacquer
0.80-0.95
Water
0.92 to 0.96
Lacquer
（
reluster
）
0.97
Ice
0.96 to 0.98
Rubber
（
Black
）
0.94
Snow
0.83
Plastic
0.85-0.95
Glass
0.90 to 0.95
Timber
0.90
Ceramic
0.90 to 0.94
Paper
0.70-0.94
Marble
0.94
Chromic oxide
0.81
Gypsum
0.80 to 0.90
Copper Oxide
0.78
Compo
0.89 to 0.91
Iron Oxide
0.78 to 0.82
Brick
0.93 to 0.96
Stainless steel
and Aluminum
0.2-0.3
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