Operating Information and Specifications—221 Service
PHYSICAL
Temperature:
Operating from Batteries, -1 5 ° C to +55°C (+5°F to
+131°F).
Charging or operating from ac line, 0°C to +40°C
(+32°F to +104°F).
Storage, -4 0 °C to +60°C (-4 0 ° F to +140°F).
Hum idity (operating and non-operating): 5 days 50°C to
95% relative hum idity.
Shock (operating and non-operating): Tested w ith two
shocks at 100 g, one-half sine, tw o millisecond duration
each direction along three major axes.
Weight (w ithout accessories):
3.5 pounds (1.5 kilograms)
A ltitude:
Operating, to 25,000 feet (maximum operating tem
perature decreased by 1°C per 1,000 feet shown above
15,000 feet).
Dimensions (measured at maximum points):
Height: 3.0 inches (7.6 centimeters).
Width: 5.25 inches (13.2 centimeters).
Non-operating, to 50,000 feet.
Depth: 9.0 inches (22.8 centimeters).
REV. APR 1974
1-3
