NCR 7870 Scanner User Manual


 
Chapter 3: Site Preparation 3-7
Environmental Requirements
Operating Range
Condition Range
Temperature
10° C – 40° C(50° F – 104° F)
Temperature Change
10° C per hour (18° F per hour)
Relative Humidity 5% to 95%, Non-Condensing
Barometric Pressure 79.5 x 10
3
Pa to 105 x 10
3
Pa
Ambient Light 200 Foot-candles max (2152 Lux)
on both scanner windows
Acoustical Noise 55 dBa or less
Vibration and Shock 1 to 10 Hz with a double amplitude of
0.127 cm (0.05 in.)
10 to 300 Hz with a maximum of 0.25 gee
Extreme Operating Range
Condition Range
Temperature
-15° C to 45° C (5° F to 113° F)
one hour max
Temperature Change
20° C per hour (36° F per hour)
Relative Humidity 5% to 95%, Non-Condensing