Safety Information
Environmental considerations
The unit’s rugged design allows you to run your applications in harsh outdoor environments. Here
are some considerations that will help you get the most out of your unit when working in very wet,
hot or cold conditions.
Water
This unit is designed to withstand accidental immersion. Keep the battery assembly and its
connectors as dry as possible. If the battery compartment does get wet, dry off the contacts as
much as possible. Removal of the back case screws could cause leakage and may void your
warranty.
Note – Although a custom cover for the I/O ports and the audio jack are provided, these are not required to
maintain the seal the unit against water. The covers are intended to keep mud, sand and other materials from
blocking these ports.
Temperature range
The operational temperature range is from -22 °F to +140 °F (-30 °C to +60 °C). Although the unit is
designed to be rugged, do not leave it in direct sunlight or in a vehicle in the sunlight for extended
periods.
Batteries perform best at room temperature. The battery has a stable capacity as temperatures rise;
however, the colder the temperature, the greater the reduction in available battery life. Under very
cold conditions (-4 °F / -20 °C and below), the battery life will be shortened. To improve the battery
performance in very cold conditions, consider carrying a fully charged, spare battery in a warm place
(for instance, keeping them inside your coat). The unit is designed for battery replacement to be
easily done.
Environmental specifications
TEMPERATURE
Operation: -22 °F to +140 °F (-30 °C to +60 °C)
Storage: -40 °F to +158 °F (-40 °C to +70 °C)
SHOCK MIL-STD-810G, Method 503.5
HUMIDITY MIL-STD-810G, Method 507.5
WATER
IP67, sealed against accidental immersion
DROP
MIL-STD-810G, Method 516.6, Procedure IV
26 drops @ 4 ft. (1.22 m) onto plywood over concrete; 6 drops @ -22 °F (-30 °C), 6
drops @ +140 °F (+60 °C)
Ranger Series Handheld Computer 8
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