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Site Preparation 33
Environmental Requirements
Barometric Pressure
The 7455 Retail Terminal is designed to operate within the following
barometric pressure conditions:
• Maximum operating altitude: 3000 m (9843 ft)
• Operating range of pressure: 105 kPa to 69 kPa (15.2 lb/in. to 10.0
lb/in.)
Temperature
The 7455 Retail Terminal is designed to operate over the temperature
ranges shown below. Continuous operation must be avoided, however,
at or near the temperature extremes, or in locations where temperature
changes exceed the temperature restrictions.
Temperature Parameter Restriction
Operating
5
o
C to 45
o
C (41
o
F to 113
o
F), dry bulb
Storage
-10
o
C to 50
o
C (14
o
F to 122
o
F), three months
Shipping
-40
o
C to 60
o
C (-40
o
F to 140
o
F), one week
Dew Point
26
o
C (79
o
F) maximum
Humidity
The 7455 Retail Terminal is designed to operate within the humidity
ranges shown below. Continuous operation must be avoided, however,
at or near the humidity limits, or in locations where humidity changes
exceed the humidity restrictions. In no case should the 7455 Retail
Terminal be subjected to condensation.
Humidity Type Restriction
Relative 10% to 90%
Maximum change rate 10%/60 minutes
Storage 10% to 90% relative humidity, three months
Shipping 5% to 95% relative humidity, one week