Quick start instruction
E
F
HOLD
SCAN
G
(Figure1)
H
DATA
I
LCD display:
A measuring reading
B measuring unit
G data hold icon
C laser on icon
H mode indicator
D back light on icon
I data storge / read icon
E battery power icon
J low temperature alarm icon
F scanning icon
K hight temperature alarm icon
Red laser point
detection hole
(Figure 3)
Attention:
Red laser point only position the general direction the
detection hole is the main parts measure the temperature
2. Locating a hot spot: To find a hot spot aim the
thermometer outside the area of interest, then
scan across with up and down motions unitl you
locate the hot spot.(please turn on the laserto for
accurate measuring)
3. Diagram description
(1) Trigger: When turn on LCD display VER XX
software version for 1 sec. And turn to di-splay
reading with SCAN icon. Release the trigger,
display reading with HOLD icon for 7 sec. Built
in auto power off in 30sec.
(2) Laser / back light button: when back light turn
Quick start instruction
E
F
HOLD
SCAN
G
(Figure1)
H
DATA
I
LCD display:
A measuring reading
B measuring unit
G data hold icon
C laser on icon
H mode indicator
D back light on icon
I data storge / read icon
E battery power icon
J low temperature alarm icon
F scanning icon
K hight temperature alarm icon
Red laser point
detection hole
(Figure 3)
Attention:
Red laser point only position the general direction the
detection hole is the main parts measure the temperature
2. Locating a hot spot: To find a hot spot aim the
thermometer outside the area of interest, then
scan across with up and down motions unitl you
locate the hot spot.(please turn on the laserto for
accurate measuring)
3. Diagram description
(1) Trigger: When turn on LCD display VER XX
software version for 1 sec. And turn to di-splay
reading with SCAN icon. Release the trigger,
display reading with HOLD icon for 7 sec. Built
in auto power off in 30sec.
(2) Laser / back light button: when back light turn
on , any operations will remain back lig-ht for
D
C
10 sec. LCD indicate on/off status.
F
B
C
A
4
LOW
HIGH
K
J
5
(3)—(6) key functions: press 3 key, LCD subdis-
play blinks MAX-MIN-DIF-AVG-HAL-LAL-
STO segment(only main display means normal
measuring mode) press 4 key to enter.
a. MAX: measuring maximum temperature
b. MIN: measuring minimum temperature
c. DIF: Basic on the reading before press 4 key,
compute the difference of current reading.
d. AVG: measuring average temperature
e. HAL: high temperature alarm--when selected
HAL, press 5 keys to set high temperature alarm
trigger and confirmed by pressing 4 key. When
reading over trigger, LCD display HI icon with
BiBi audio sounds.
f. LAL: low temperature alarm--when selected
LAL, press 5 keys to set low temperature alarm
trigger and confirmed by pressing 4 key. When
reading over trigger, LCD display LOW icon with
BiBi audio sounds
g. STO: data storage--when selected STO, lock &
DATA & 1---indicator will shown when press 4 key.
After temperature read out press 6 key to store,
then 2---memory unit will be shown. There 12
groups memory unit available. To recall the stored
data in normal measuring mode by press-ing 6 key,
remove all data by pressing 6 keys for 2 secretary.
on , any operations will remain back lig-ht for
D
C
10 sec. LCD indicate on/off status.
F
B
C
A
4
LOW
HIGH
K
J
5
(3)—(6) key functions: press 3 key, LCD subdis-
play blinks MAX-MIN-DIF-AVG-HAL-LAL-
STO segment(only main display means normal
measuring mode) press 4 key to enter.
a. MAX: measuring maximum temperature
b. MIN: measuring minimum temperature
c. DIF: Basic on the reading before press 4 key,
compute the difference of current reading.
d. AVG: measuring average temperature
e. HAL: high temperature alarm--when selected
HAL, press 5 keys to set high temperature alarm
trigger and confirmed by pressing 4 key. When
reading over trigger, LCD display HI icon with
BiBi audio sounds.
f. LAL: low temperature alarm--when selected
LAL, press 5 keys to set low temperature alarm
trigger and confirmed by pressing 4 key. When
reading over trigger, LCD display LOW icon with
BiBi audio sounds
g. STO: data storage--when selected STO, lock &
DATA & 1---indicator will shown when press 4 key.
After temperature read out press 6 key to store,
then 2---memory unit will be shown. There 12
groups memory unit available. To recall the stored
data in normal measuring mode by press-ing 6 key,
remove all data by pressing 6 keys for 2 secretary.
7
6
2
8
LASER
SET
STO/CAL
BACKLIT
1
MODE
5
9
3
(Figure3)
(Figure4)
7
6
2
8
LASER
SET
STO/CAL
BACKLIT
1
MODE
5
9
3
(Figure3)
(Figure4)
h. EMS: Emissivity setup--press 5 keys for emissivity
settings, press 4 key to save setup and back to
normal status.
(7) LCD
(8) Battery door clip
(9) Battery door: When replace battery door, please
press battery door clip and pull the battery door.
(10) Clesius / Fahrenheit switch: Please open battery
and push the slide switch for con-vertsion
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.
Note:
1) Do not use solvent to clean lens.
2) Do not submerge the unit in water.
Specifications
AS842A
AS852B
Temperature
-50℃~600℃
-50℃~750℃
range
-58℉~1112℉
-58℉~1382℉
100℃(212℉) to 600℃(1112℉)±2℃or±2%
0℃(32℉) to 100℃(212℉) ±2℃or±2%
Accuracy
-50℃(-58℉)to 0℃(30℉) ±3℃or ±3%
whichever is greater
Repeatability
1% of reading or 1℃
Response time
500 mSec, 95% response
Spectral response
8-14 um
Emissivity
0.10 to 1.00 adjustable (pre-set 0.95)
Ambient operating
0 ~40℃ (32 ~ 104℉)
range
Relative humidity
10-95% RH noncondensing
Storage temperature
-20 to 60℃ (-4 to 140℉) without battery
Weight/Dimensions
170G ; 175*100*49mm
9v Alkaline or NiCd battery
Power
Battery life (Alkaline)
Laser Models:12 hrs
Distance to Spot Size
12:1
h. EMS: Emissivity setup--press 5 keys for emissivity
settings, press 4 key to save setup and back to
normal status.
(7) LCD
(8) Battery door clip
(9) Battery door: When replace battery door, please
press battery door clip and pull the battery door.
(10) Clesius / Fahrenheit switch: Please open battery
and push the slide switch for con-vertsion
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.
Note:
1) Do not use solvent to clean lens.
2) Do not submerge the unit in water.
Specifications
AS842A
AS852B
Temperature
-50℃~600℃
-50℃~750℃
range
-58℉~1112℉
-58℉~1382℉
100℃(212℉) to 600℃(1112℉)±2℃or±2%
0℃(32℉) to 100℃(212℉) ±2℃or±2%
Accuracy
-50℃(-58℉)to 0℃(30℉) ±3℃or ±3%
whichever is greater
Repeatability
1% of reading or 1℃
Response time
500 mSec, 95% response
Spectral response
8-14 um
Emissivity
0.10 to 1.00 adjustable (pre-set 0.95)
Ambient operating
0 ~40℃ (32 ~ 104℉)
range
Relative humidity
10-95% RH noncondensing
Storage temperature
-20 to 60℃ (-4 to 140℉) without battery
Weight/Dimensions
170G ; 175*100*49mm
9v Alkaline or NiCd battery
Power
Battery life (Alkaline)
Laser Models:12 hrs
Distance to Spot Size
12:1
AS862A
-50℃~900℃
-58℉~1652℉
AS862A
-50℃~900℃
-58℉~1652℉
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