European Facility For Airborne Research

European Facility For Airborne Research Nov. 21, 2024, 10:07

Instrument: M55 ACH frost point hygrometer

  1. Aircraft & Instruments
  2. Instruments
  3. Instrument: M55 ACH frost point hygrometer
Name M55 ACH frost point hygrometer
Acronym ACH-M55
Manufacturer CAO
Operated by Geophysica-GEIE
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 10.3

Performance

Operating mode In situ
Range

Resolution

Sensitivity

Accuracy

Bandwidth

Modifications

ACH is a frost point hygrometer.
Operational restriction

Operational requirements

Certification approvals

Additional information

Access, host and processing

Access

Contact:M. Mezrin
Tel:(+7/095) 4088455
Fax:(+7/095) 4088455
Central Aerological Observatory - CAO7,
Pervomayskaya str.Dolgoprudny, Moscow region141700 Russia
Could also fit on any aircraft having the following characteristics

General description

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