Safety Information
16
PPM-350D
Electrical Safety Information
C
AUTION
When you use the unit outdoors, ensure that it is protected from
liquids, dust, direct sunlight, precipitation, and full wind pressure.
C
AUTION
Position the unit so that the air can circulate freely around it.
C
AUTION
The use of voltages higher than those indicated on the label affixed
to your unit may damage the unit.
Equipment Ratings
Temperature
Operation
Storage
Unit powered by batteries: 0 °C to 50 °C (32 °F to
122 °F)
Unit connected to USB adapter: 0 °C to 40 °C (32 °F
to 104 °F)
Unit without batteries: -40 °C to 70 °C (-40 °F to
158 °F)
Unit with batteries: -20 °C to 60 °C (-4 °F to 140 °F)
Relative humidity
a
Unit powered by batteries:
95 % non-condensing
Unit connected to USB adapter: 10 % to 90 %
non-condensing
Maximum operation altitude
2000 m (6562 ft) (unit connected to USB adapter)
5000 m (16405 ft) (unit operated from batteries)
