European Facility For Airborne Research

European Facility For Airborne Research Dec. 5, 2025, 19:06

Instrument: FAAM General Eastern 1011B hygrometer

  1. Aircraft & Instruments
  2. Instruments
  3. Instrument: FAAM General Eastern 1011B hygrometer
Name FAAM General Eastern 1011B hygrometer
Acronym GE1011B-FAAM
Manufacturer General Eastern
Operated by FAAM
Operated onboard

Instrument type

Name Dew/Frost-point hygrometer
Acronym Dew/Frost-point hygrometer

Principle of operation

Measured parameter Dew Point
Operating principle

Thermoelectric Chilled Mirror Hygrometer
Operating principle information should be extended to explain servo-control of mirror temperature and detection of condensation deposit.
Note possible ambiguity between dew and frost-point temperatures for low mirror temperatures.
Operating principle is extended to include cryogenic cooling in addition to thermoelectric.
or
manual hygrometers
Measurement(s) Thermodynamics

Dimension and weight

External dimension
Weight 0.7

Performance

Operating mode In situ
Range

Resolution

Sensitivity

Accuracy

Bandwidth

Modifications

Operational restriction

Operational requirements

Certification approvals

Approved by CAA for use on BAe 146-301.
Additional information

May be fast cooled using a manual override.

Access, host and processing

Access

Through FAAM
Could also fit on any aircraft having the following characteristics

General description

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