Chapter 8. Specification
106 | ADTS 405 R/F Mk2 Instruction Manual-English
© 2017 General Electric Company – All Rights Reserved.
The following are possible:
Using a single vacuum pump, a rate of 20,000 ft/min can be achieved with a volume of
10 litres (600 cubic inches) connected to the static (Ps) channel and 6.7 litres (400 cubic
inches) connected to the pitot (Pt) channel.
8.4.3 Control Response
The required operating pressure value will be achieved without any overshoot, independent
of the system volume, on either Ps or Pt channels. The system response to input commands
takes place within a 400 millisecond period.
8.4.4 Dynamic Testing
The ADTS 405 Mk2 can generate sinusoidal variations of either the Ps or Pt or both channels.
Frequency and amplitude of the required oscillation can be programmed; external volumes
limit the achievable results. Maximum drift from the mean value during dynamic testing
should be no more than twice that specified for steady state testing.
8.4.5 Control Offset
The displayed value will be within the control stability values for the appropriate channel.
Table 8-7: Rate Control Capabilities
Channel
Rate Control Capabilities
Ps
ft/min or metres/min - maximum rate 100,000 ft/min
Absolute pressure units/min
Pt
Absolute pressure units/min
Qc
kts/min or km/h/min - maximum rate 2,000 kts/min
Differential pressure units/min
Содержание Druck ADTS 405 F Mk2
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