(RH Display)
OS418L Infrared Thermometer with Relative Humidity Operating Instruction
The OS418L is a non-contact infrared thermometer. There are many mathematical modes for the Infrared function.
Please
humans.
remember to keep away from children and don’t use it for safety related applications or for medical use or use on
Simply aim the thermometer at the measure target with Lens (_
11
) and press Meas. key (_
9
) to display the
surface temperature. The Distance:Spot is 12:1. Please make sure the target area is within the field of view.
FUNCTION
Press Mode key (_
4
) for scrolling more display function as follows.
This shows the emissivity data. (The default emissivity is 0.95.)
Press Mode key (_
4
) , then press Up key (_
2
) or Down key (_
3
) to
set the emissivity
, then press Mode
key (_
4
) to confirm it. The emissivity can be changed from 0.10 (10E) to 1 (100E).
Press Mode key (_
4
) for the
Maximum (MAX), Minimum (MIN), Different between MAX and
MIN (DIF) and Average (AVG) modes. During the measurement, the special modes reading will
be displayed beside the mode icon.
Press Up key (_
2
) or Down key (_
3
) key to change the
High Alarm (HAL)
or
Lo Alarm (LAL)
, then
press Meas. key (_
9
) to confirm it. For example: When the reading 26.9
o
C < LAL 27
o
C, the Low icon
will flash and you will hear a beep sound.
Press Mode key (_
4
) for the
RH and DP modes. During the measurement, the special modes
reading will be displayed beside the mode icon.
** The thermometer will automatically shut off if left idle for more than 60sec
ADD VALUE
Press Up key (_
2
) for
LOCK mode
ON/OFF.
The lock mode is particularly useful for
continuous monitoring of temperatures for up to 60 minutes.
In E,MAX, MIN, DIF,
AVG mode:
Press Down key (_
3
) for
o
C
or
o
F transferred.
and press Up key (_
2
) for
backlight function
ON/OFF.
In all modes: First
hold on the Meas. key
(_
9
)
and press Down key (_
3
) for
laser function
ON/OFF.
CAUTION
1.
WHEN DEVICE IS IN USE, DO NOT LOOK DIRECTLY INTO THE LASER BEAM–PERMANENT EYE
DAMAGE MAY RESULT.
2.
USE EXTREME CAUTION WHEN OPERATING THE LASER.
(DP Display)
3.
NEVER POINT THE DEVICE TOWARDS ANYONE’S EYES.
4.
KEEP OUT OF REACH OF ALL CHILDREN.
Circle/Dot
Laser
