4
About TR-
3220
, the standard temp./humidity sensor for RTR-
72
・
This sensor is not waterproof.
・
Use the sensor only within the measurable temperature and humidity range
(Temperature:
0
to
50
℃
, Humidity:
10
to
95
%RH)
・
The unit may give an error in humidity value if there is a rapid change of
temperature. However, the value will return to normal after the sensor
temperature stabilizes.
・
The temperature/humidity sensor cable cannot be extended.
・
When the sensor is not used, put it in the attached plastic bag with a drying
agent and keep it in a cool, dark place at
5
to
25
℃
and
30
%RH or less.
・
Please make sure that the external sensor jack is securely inserted into the
main unit.
・
This sensor cannot be used with RTR-
71
.
Notices About Placement and Location
・
A sudden change in widely different temperature environments may cause
condensation to occur. Please use the unit in areas with a temperature
range of
0
to
50
℃
and a humidity range of
10
to
90
%RH (without
condensation).
・
Do not use, store or leave the unit in areas that are prone to direct sunlight
or extremely high temperature or humidity. If the unit's internal temperature
rises too high, it may cause fire or other malfunctions to occur.
・
Poisonous gases and chemicals may cause the unit to corrode. Also,
poisonous substances coming in contact with the unit may cause damage
or harm to people and animals. Please do not use the unit in environments
subject to or influenced by poisonous gases or chemicals.
・
Direct vibrations from machinery may cause connections to be loosened
and subsequent malfunction. Please use in stable areas.
・
Do not place in or near areas subject to strong magnetic forces.