Measurement and Control Range Specifications
© 2015 General Electric Company – All rights reserved. ADTS 405 Mk2 Instruction Manual-English | 99
6.4 Measurement and Control Range Specifications
WARNING THIS EQUIPMENT IS NOT RATED FOR USE IN POTENTIALLY EXPLOSIVE AND
HAZARDOUS ATMOSPHERES.
Operating Range and Performance
Both ADTS 405F and ADTS 405R are supplied in one of two full-scale ranges (850 knots or 1000
knots) for measurement and control of the pitot pressure channel. The following operating
parameters are based on a 1000 knots capability test systems. Variations for 850 knots test
systems are shown, where appropriate, in brackets.
For both full-scale ranges, limits are set pre-defined tabular limits known as STANDARD, CIVIL and
*MAX these can be selected through the SETUP menu.
Note: The ADTS is supplied without *MAX limits, a prompt in the SETUP limits
menu asks for MAX limits to be created. This function automatically loads the
maximum values appropriate for the full-scale range. 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.
ADTS 405F and ADTS 405R Performance expressed in example aeronautical units
Altitude Rate of Climb
(ROC)
Calibrated
Airspeed (CAS)
Mach Rate of change
of Airspeed
Units feet ft/min knots - 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, Hysterisis 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 Auto-Zero function is enabled.
Better than
0.005
±5% of value
Resolution 1 1 0.1 0.001 0.1
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