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C-1
APPENDIX C
INSTALLATION AND MAINTENANCE
C.1 SPECIFICATIONS
GPS 55 SPECIFICATIONS
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PHYSICAL
Case: Main Unit: Waterproof
Battery Pack: Splash Proof
Size: Portable: 3.23"w x 6.26"h x 1.46"d
(82mm x 159mm x 37mm)
Fixed: 3.23"w x 4.87"h x 1.46"d
(82mm x 124mm x 37mm)
Weight: 14 ounces (0.4 kg) without battery pack
19.5 ounces (0.55) with battery pack
POWER
Input Alkaline battery pack (4 AA size)
Rechargeable battery pack
12- or 24-volt DC with power cable (5-40 VDC)
115- or 230-volt AC with battery charger
Consumption 1.1 watts in Normal mode (without backlighting)
ENVIRONMENTAL
Temperature: -15°C to +70°C (+5°F to +158°F ) operating
-40°C to +70°C (-40°F to +158°F) storage
Humidity: 95% non-condensing
PERFORMANCE
Receiver: MultiTrac
TM
, tracking up to 8 satellites
Frequency: L1, 1.57542 GHz
Acquisition Time: 2 minutes 2D
(typical) 2.5 minutes 3D
15 seconds Warm Start (with ephemeris)