NCR 7870 manual Environmental Requirements, Extreme Operating Range

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 103 Pa to 105 x 103 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