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SPECIFICATIONS
Range: -67 to 482 °F / -55 to 250 °C
Resolution: 0.1° (-9.9 to 199.9)
1° (otherwise)
OPERATION
Press and continue to hold down the SCAN button
to take temperature readings. The unit will take
temperature readings while the SCAN button is
pressed and held.
After the SCAN button is released, the last
temperature measured will be displayed for
approximately 20 seconds, the display will then
turn off automatically.
SELECTING UNITS OF MEASURE
Press and release the SCAN button to turn on the
display. Once the display is on (and the SCAN
button has been released), press the MODE
button four (4) times (°F or °C will ash on the
display). Press the SCAN button to switch the unit
of measure.
LASER TARGETING
The thermometer will take temperature
measurements without activating the laser
targeting by partially pressing and holding the
SCAN button. To take temperature measurements
and activate the laser targeting, completely press
and hold the SCAN button.
CAUTION: Eye damage may result from direct
exposure to laser light.
DISTANCE SPOT/RATIO
There are other factors that may affect measurement
accuracy. The target must completely ll the spot
diameter seen by the infrared sensor; otherwise
readings will be inuenced by the surface
surrounding the target. The ratio of the distance
to the size of the spot being measured is 6:1. For
example, an object’s diameter of 100mm can be
measured from 600mm.
MIN/MAX MODES
MIN Mode-- While in the MIN mode, the unit will
display only the minimum temperature that has
been measured while the SCAN button is being
pressed. The display is updated as new minimum
temperatures are measured.
To activate MIN mode:
1. Press and release the SCAN button to turn on
the display.
2. Press the MODE button until MIN appears on
the display.
3. Press and hold the SCAN button to begin taking
measurements.
MAX Mode-- While in the MAX mode, the unit will
display only the maximum temperature that has
been measured while the SCAN button is being
pressed. The display is updated as new maximum
temperatures are measured.
To activate MAX mode:
1. Press and release the SCAN button to turn on
the display.
2. Press the MODE button until MAX appears on
the display.
3. Press and hold the SCAN button to begin taking
measurements.
LOCK FUNCTION
The lock function allows the thermometer to take
measurements without having to press and hold
the SCAN button. When the lock function is
activated, the unit will take continuous temperature
measurements for 60 minutes and will then turn off
automatically to preserve battery life.
To activate the lock mode:
1. Press the SCAN button to turn on the display.
2. Press the MODE button until LOCK ashes on
the display.
3. Press and release the SCAN button to begin
taking temperature measurements (LOCK will
appear solid {not ashing}, to indicate that
the unit is in the lock mode and is taking
measurements).
Laser Targeting is not available while in the LOCK
mode.
To exit the lock mode, press and release the SCAN
button (LOCK will no longer appear on the display).
EMISSIVITY
Emissivity adjustment is optional. Emissivity
adjustments are used to provide a truer
temperature reading. Different materials radiate
infrared energy at slightly different temperatures.
The emissivity adjustment is used to compensate
for different types of materials. The default emissivity of 0.95 will cover 90% of typical applications.
The emissivity table provides a guide of different
emissivity values for different materials.
When the emissivity of an object is unknown use
a non-infrared thermometer, such as a thermometer with a surface probe to measure the object’s
surface temperature. Adjust the emissivity until
the temperature of the Infrared Thermometer
matches the temperature of the surface probe.
The emissivity value arrived at by this method
may be used to measure similar materials.
SURFACE ...........................................................EMISSIVITY
Iron and Steel
Cast iron (polished)
Cast iron (tumed at 100
Cast iron (tumed at 1000
Steel (ground sheet)
Mild steel
Steel plate (oxidized)
Iron plate (rusted)
Cast iron (rough) rusted
Rough ingot iron
Molten cast iron
Molten mild steel
Stainless steel (polished)
Stainless steel (various)
Aluminum
Polished aluminum
Aluminum (heavily oxidized)
Aluminum oxide at 260
Aluminum oxide at 800
Aluminum Alloys, various
Brass
Brass (polished)
Brass (roughened surface)
Brass (oxide)
Copper
Copper (polished)
Copper (oxide)
Molten copper
Lead
Lead (polished)
Lead (oxide at 25
Lead (oxide)
Nickel and Its Alloys
Nickel (pure)
Nickel plate (oxide)
Nichrome
Nichrome (oxide)
Zinc (oxidized)
Galvanized iron
Tin-plated steel
Gold (polished)
Silver (polished)
Chromium (polished)
METALS (Typical Emissivity Values)
............................................................0.2
o
C) ...............................................0.45
o
C) .....................................0.6 to 0.7
...........................................................0.6
..................................................................0.3 to 0.5
..........................................................0.9
...................................................0.7 to 0.85
....................................................0.95
.................................................................0.9
..................................................................0.3
.......................................................0.3 to 0.4
....................................................0.1
...........................................0.2 to 0.6
........................................................... 0.1*
.............................................0.25
o
C ...................................................0.6
o
C ...................................................0.3
........................................0.1 to 0.25
................................................................ 0.1*
......................................................................0.6
...................................................................0.15
........................................................................0.6
..................................................................... 0.1*
............................................................................0.7
.................................................0.2
........................................................... 0.05*
....................................................................0.8
................................................................. 0.1*
o
C) ...........................................................0.3
...................................................0.4 to 0.5
..............................................................0.95
.................................................................. 0.1*
...................................................................0.3
................................................................. 0.1*
................................................................. 0.1*
................................................................ 0.1*
........................................................ 0.1*
To adjust the emissivity (optional):
1. Press and release the SCAN button to turn on
the display.
2. Press the MODE button ve (5) times (95E {or
whatever emissivity value has been set} will
appear on the display).
3. To adjust the emissivity value, partially press the
SCAN button to advance the value. (Completely
pressing the SCAN button while adjusting the
emissivity will activate the laser targeting). Once
the maximum value of 100 is reached, the
display will roll over to the minimum value of 5.
The emissivity can be set from 0.05 to 1.00 (5 to
100 on the display)
3. Once the desired emissivity value appears on
the display, press the MODE button to conrm
the value.
This emissivity value will be used for all temperature
measurements until the value is re-set.
NON-METALS (Typical Emissivity Values)
SURFACE EMISSIVITY
Refractory & Building Materials
Red brick (rough)
Fire clay
Asbestos
Concrete
Marble
Carborundum
Plaster
Alumina (ne grain)
Alumina (coarse grain)
Silica (ne grain)
Silica (coarse grain)
Zirconium silicate up to 500
Zirconium silicate at 850
Quartz (rough)
Carbon (graphite)
Carbon (soot)
Timber (various)
Miscellaneous
Enamel (any color)
Oil paint (any color)
Lacquer
Matte black paint
Aluminum lacquer
Water
Rubber (smooth)
Rubber (rough)
Plastics (various, solid)
Plastic lms (0.05 mm thick)
Polythene lm (0.03 mm thick)
Rubber (smooth)
Rubber (rough)
Plastics (various, solid)
Plastic lms (0.05 mm thick)
Polythene lm (0.03 mm thick)
Paper and cardboard
Silicone polish
*Emissivity varies with purity
....................................................0.75 to 0.9
............................................................................0.75
...........................................................................0.95
.............................................................................0.7
.................................................................................0.9
....................................................................0.85
................................................................................0.9
................................................................................0.98
..........................................................0.25
.....................................................0.45
.................................................................0.4
..........................................................0.55
o
C ..........................................0.85
o
C .................................................0.6
....................................................................0.9
.............................................................0.75
....................................................................0.95
.......................................................0.8 to 0.9
.............................................................0.9
..........................................................0.95
...............................................................................0.9
..................................................0.95 to 0.98
...............................................................0.5
.................................................................0.9
.................................................................0.98
...........................................0.8 to 0.95
...................................0.5 to 0.95
.................................................................0.9
.................................................................0.98
.....................................................................0.7
.................................0.2 to 0.3
...........................................0.8 to 0.95
...................................0.5 to 0.95
.................................0.2 to 0.3
..........................................................0.9
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DISPLAY MESSAGES
HI Appears when the temperature being
measured is outside the temperature range of the
unit (higher limit).
LO Appears when the temperature being
measured is outside the temperature range of the
unit (lower limit).
Er2 Appears when the unit is exposed to rapid
changes in ambient temperature.
Er3 Appears when the ambient temperature is
below 32° F (0° C) or above 122° F (50° C).
Er Appears when the unit needs to be reset.
To reset the unit, remove the batteries, wait 2
minutes and then re-install the batteries.
ALL OPERATIONAL DIFFICULTIES
If this thermometer does not function properly for
any reason, replace the batteries with new high
quality batteries (see Battery Replacement section). Low battery power can occasionally cause
any number of “apparent” operational difculties.
Replacing the batteries with new fresh batteries
will solve most difculties.
BATTERY REPLACEMENT
Erratic readings, faint readings, no display, or
appearing on the display are all indications that
the batteries must be replaced. Open the battery
covers by turning them 1/8 of a turn in the direction
of the OPEN arrows (clockwise). (Be careful not to
turn the cover more than 1/8 of a turn as this may
damage the battery cover.) Remove the exhaust-
ed batteries and replace them with two (2) new
CR2032 lithium batteries. Make certain to install
the new batteries with the positive (+) side facing
out. Replace the battery covers by lining up the tabs
and turning the cover approximately 1/8 of a turn
counter-clockwise until the cover snaps into position.
(Be careful not to turn the cover after is has snapped
into position as this may damage the battery cover.)
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