Sokkia RADIAN IS, Operation Manual, Page: 57 / 74

RADIAN™IS 51
Appendix A Radian IS Specifications
RADIAN IS SPECIFICATIONS
Physical
Size (diameter x height) 231 mm x 150 mm (0.76 ft x 0.49 ft)
Weight 1.75 kg (3.86 lb) - including two batteries
1.56 kg (3.44 lb) - without batteries
Description of Enclosure The enclosure is constructed of molded plastic, closed
with mounting screws and encircled by a rubber
bumper. The Radian IS meets the IPX-7 specification
enabling it to operate in wind driven rain and in a
temporary submersion of up to approximately three-
feet of water.
A sealed access door on the side of the enclosure
allows the insertion and removal of data cards and
batteries.
Environmental
Operating Temperature With internal batteries: -20°C to +55°C
(-4°F to 131°F)
With external power: -40°C to +55°C
(-40°F to 131°F)
Storage Temperature With internal batteries: -30°C to +85°C
(-22°F to 185°F)
Without internal batteries: -40°C to +85°C
(-40°F to 185°F)
Resistance Characteristics
(when the Radian IS access
door is closed) Dustproof
Waterproof (to the standards of RTCA/DO-160D
Sec.10 Cat.R and IPX-7)
Buoyant
Humidity 85% RH at +38°C (100.4°F), 95% RH at +65°C
(149°F) (to the standards of RTCA/DO-160D Cat.C)
Altitude Sea level to 5,000 m (16,404 ft) [may operate above
5,000 m in a controlled environment, however is not
certified as such.]
Drop 2 m (6.56 ft) survival on hard surface, pole-mounted
1 m (3.28 ft) survival on hard surface, stand-alone