2.4 Environmental Conditions
Temperatures
Recommended temperature range
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-5°C to +55°C [+23°F to +131°F].
Limit temperature range
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Operation: -25°C to +55°C [-13°F to +131°F].
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Storage and transport: -25°C to +70°C [-13°F to +158°F].
Ambient Humidity Range
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≤ 75 % relative humidity (annual mean).
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56 days at ≤ 95 % relative humidity and 40°C [104°F].
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Condensation not permitted.
Solar Radiation
Direct solar radiation on the front of the device must be avoided.
2 Technical Data P634
P634/EN M/R-42-A // P634‑311‑653 2-9