TM 9-5855-253-10
1-7.
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES (CONT)
n.
Lens Cleaning Kit and 0.050 Inch Socket-Head Screw Key.
The lens cleaning kit is used to clean the Night Sight lenses. The 0.050-inch
socket-head screw key is used for removal of the Night Sight eyeshield.
1-8.
SYSTEM
CHARACTERISTICS
Electrical power source
Vehicle Power Conditioner or attached
rechargeable battery
Voltage required
4.6 to 5.0 volts dc
Magnification
WFOV
X3
NFOV
X9
Field of view
WFOV
3.3 by 6.6 degrees
NFOW
1.1 by 2.2 degrees
Battery operating time
2.0 hours minimum at -5F
per recharge
(-2.06C) to + 125F
(+51.7C)
1.0 hour minimum at -25F
(-31.7C)
Coolant cartridge
Pressure range
6000 to 1000 psi
Operating time per
2.0 hours minimum at +125F
recharge
(+51C)
Cooldown time
15 seconds or less (at
6000 psi)
Operational temperature
-40F (-40C) to +125F
(+51C)
range
Arctic Kit operational
-40F (-40C) to 20.6F
temperature range
(-5C)
1-14