European Facility For Airborne Research

European Facility For Airborne Research Dec. 23, 2024, 07:48

Instrument: Enviscope modified Vaisala/Rosemount HMP

  1. Aircraft & Instruments
  2. Instruments
  3. Instrument: Enviscope modified Vaisala/Rosemount HMP
Name Enviscope modified Vaisala/Rosemount HMP
Acronym HMP-Enviscope
Manufacturer Enviscope
Operated by Enviscope
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 0.0

Performance

Operating mode In situ
Range

Resolution

Sensitivity

Accuracy

Bandwidth

Modifications

Operational restriction

Operational requirements

Certification approvals

Additional information

Relative humidity is measured by means of a capacitive sensor (Vaisala HumiCap-H) and a PT-100 temperature sensor. Both of them are integrated in a modified Rosemount housing or a "Reverse Inlet".

Access, host and processing

Access

Could also fit on any aircraft having the following characteristics

General description

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