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RELEASED FOR THE EXCLUSIVE USE BY: AIRCRAFT ELECTRONICS ASSOCIATION
B
TABLE 1-1 KRA 405 Radar Altimeter Technical Characteristics
SPECIFICATION
ALTITUDE TRIPS (Selectable):
Three (shop adjustable):
Adjustment Range #1 and #2:
Adjustment Range #3:
Factory Settings:
ALTITUDE RANGE:
Tracked:
ALTITUDE ACCURACY:
System:
KRA 405:
ALTITUDE OUTPUT:
Slope:
Precision Equipment:
(see note 1)
Auxiliary Output #1:
(see note 2)
Auxiliary Output #2:
(see note 3)
Load Capability:
Off Scale Voltage:
Precision Equipment Output:
Auxiliary Output #1:
Auxiliary Output #2:
Time Constant:
Precision Equipment Output:
Rev 6, June 2003
0-1600 ft (0-487.68 m).
0-2000 ft (0-609.60 m).
Trip #1 250 ft (76.20 m).
Trip #2 500 ft (152.40 m).
Trip #3 1200 ft (365.76 m).
-20 to 2,500 ft (-6.1 to 762.0 m).
+/- 5 ft (1.5 m) or +/- 5% (whichever is greater) at 0
to 500 ft and +/- 7% at 500 to 2,000 ft.
+/- 3 ft (0.91 m) or +/- 3% (whichever is greater) at
0 to 500 ft and +/- 5% at 500 to 2,000 ft.
-20 to 2,500 ft (-6.1 to 762.0 m) -10 mv/ft (32.81
mv/m); Zero ft = 0.000 volts.
-20 to 500 ft (-6.1 to 152.4 m) +20 mv/ft (+65.62
mv/m); 500 to 2,500 ft (152.4 to 762.0 m) +3 mv/ft
(9.84 mv/m); Zero ft = +0.400 volts.
-20 to 2,500 ft (-6.1 to 762.0 m) -4 mv/ft (13.12 mv/
m); Zero ft = 0.000 volts.
2 k ohms.
-28 +/- 1.5 Vdc.
+17.3 +/- 0.5 Vdc.
-11.2 +/- 0.6 Vdc.
0.1 second maximum.
IM 006-00104-0006.dwd
CHARACTERISTIC
KRA 405
Page 1-2
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