Optex PT-7LD, Instruction Manual

Page: 38 / 56

4
Safe Usage
Environmental Warnings –– Warning –– Caution
＿ Environmental warnings/Cautions
KEEP THE THERMOMETER
AWAY FROM DROPPING WATER
AND DO NOT USE IN WATER.
This thermometer is not waterproof-
ing. Usage in such environments
may cause irreparable damages.
AVOID MEASURING SHINY OB-
JECTS.
KEEP THE THERMOMETER
AWAY FROM DIRECT SUNLIGHT,
DUST,HIGH TEMPERATURES
AND HIGH HUMIDITY DURING
USE AND STORAGE.
This may cause irreparable damage
or incorrect measurement.
DO NOT TOUCH THE FILTER.
Do not let a solid or sharp object
touch the filter and do not insert for-
eign objects into the filter. These may
cause incorrect measurement.
USE THE SPECIFIED BATTERIES.
Use of the other batteries may cause
irreparable damage or incorrect
measurement.
Usage Warnings –– Warning –– Caution
KEEP THE THERMOMETER
AWAY FROM SUDDEN CHANGE
IN AMBIENT TEMPERATURE.
Sudden temperature change may
cause incorrect measurement. Start
measurement when temperature
has become stable after leaving the
meter for a while.
KEEP THE THERMOMETER AWAY
FROM STRONG ELECTROMAG-
NETIC SOURCES.
This may cause irreparable damage
or incorrect measurement.
Shiny objects reflect surrounding
infrared energy.
Therefore, it results in incorrect
measurement.
Usage in such environments may
cause irreparable damage or in-
correct measurement.
DO NOT DROP THIS THERMO-
METER NOR GIVE A STRONG
IMPACT TO IT, WHICH MAY
CAUSE IRREPARABLE DAMAGE
OR INCORRECT MEASUREMENT.
This product is a non-contact
thermometer. Touching high-
temperature object may cause
deformation of the meter, irreparable
damage or incorrect measurement.
DO NOT LET THE THERMO-
METER TOUCH THE OBJECT
THAT IS BEING MEASURED.
DO NOT BRING THE THERMO-
METER CLOSE TO ELECTRICALLY
CHARGED OBJECTS.