User guide

EF5XX ISE Specifications, Continued
Environmental
Specifications
The following table lists environmental specifications:
Environmental
Specifications EF51R, EF52R, EF53
Temperature
Operating 10 to 50°C (50 to 122°F), ambient, with
a gradient of 11°C (20°F) per hour (as
introduced to the drive enclosure)
Non-operating -40 to 66°C (-40 to 151°F), ambient, with a
gradient of 20°C (36°F) per hour
Relative humidity
Operating 10 to 90% with maximum wet bulb
temperature of 28°C (82°F) and a
minimum dew point of 2°C (36°F), with
no condensation
Non-operating
(storage/shipping)
8 to 95%, with no condensation
Altitude
Operating 2,438 meters (8,000 feet)
Non-operating 4,876 meters (16,000 feet)
Noise (closed office
environment)
4.2 Bels operating (ISO 779) EF51R, EF52R
0.0 Bels operating (ISO 779) EF53
Air flow 15 ft³/min (minimum)
1–11