Chapter 8. Specification
104 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.
Operators may also configure the display to aeronautical or pressure units but should be
aware that when units of pressure are selected, wider full-scale pressure limits will be
enabled for some parameters.
Table 8-3: Performance Expressed in Aeronautical Units
Parameter Altitude
Rate of Climb
(ROC)
Calibrated
Airspeed
(CAS)
Mach
Rate of change
of Airspeed
Units feet ft/min kts - kts/min
Maximum
Range
a
a. Altitudes above 80,000 ft and the peak rates of climb are available but subject to the use of a suitable
vacuum pump.
-3000 to
105,000
100,000 -100 to 1000 14.97 2000
Calibrated or
Standard
Range
a
0 to 80,000 9,000 -100 to 1000 5 700
Accuracy
b
b. Accuracy, (expanded uncertainty K=2); includes non-linearity, hysteresis and repeatability over full
temperature range, 12 months drift and calibration standard uncertainty.
±3 at 0
±7 at 30,000
±29 at 60,000
±1% of value ±0.5 at 50
c
±0.07 at 550
±0.05 at 1000
c. The accuracy figures stated assume that the auto-zero function is enabled.
Better than
0.005
±5% of value
Resolution 1 1 0.1 0.001 0.1
Table 8-4: Static and Pitot Performance Expressed in Pressure Units
Parameter Static (Ps) Rate Ps Pitot (Pt) 1000 kts Pitot (Pt) 850 kts
Units mbar abs mbar/min mbar abs mbar abs
Maximum Range
a
a. Pressures below 35 mbar absolute and the peak rates of change are available but subject to the use of a
suitable vacuum pump.
3 to 1355 10,000 3 to 3500 3 to 2700
Calibrated or
Standard Range
a
35 to 1355 200 35 to 3500 35 to 2700
Accuracy
b
b. Accuracy, (expanded uncertainty K=2); includes non-linearity, hysteresis and repeatability over full
temperature range, 12 months drift and calibration standard uncertainty.
±0.1 ±1% within
5 seconds
0.26 mbar 0.20 mbar
Resolution 0.01 0.01 0.01 0.01
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