Edgetech Instruments 200M Meteorological Humidity System (-40°C ~ 50°C)

Sensor Type: Primary method, thermoelectrically cooled, chilled mirror dew/frost point temperature sensor. Model: D2 with two-stage cooling.

Measurement Ranges:

Dew/Frost Point: -40°C to 50°C (-40°F to 122°F) at 25°C ambient.

Dew/Frost Point Depression: 65°C (117°F).

Air Temperature: -50°C to 70°C (-58°F to 158°F).

Temperature Sensor: Platinum resistance thermometer, 100 ohms at 0°C.

Relative Humidity: Approximately 5% to 95%.

Accuracy:

Dew/Frost Point: ±0.25°C (±0.5°F).

Air Temperature: ±0.25°C (±0.5°F).

Relative Humidity: ±1.0% to 1.5%.

Outputs:

Analog: 0-5 Vdc or 4-20 mA over dew/frost point span.

Digital: TTL-compatible clean mirror signal.

Power: 90-260 Vac, 50-400 Hz, 40 W max.

RFI and line surge protection provided.

Options:

Ambient temperature kit.

Humidity computer (%RH or other psychometric variables).

Airflow switch to monitor flow presence or absence.

Signal output relay contact closure.

Additional analog outputs (consult factory for options).

Relay contact closure for clean mirror signal.

Interconnecting cable (over 25 ft.).

Datasheet

Applications

Aeronautics

Atmospheric Sciences

Government Agencies