Method and Apparatus

OTAC2000
AUTOMATED
TEMPORARY
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OTAC-2000

Thermometer OW-1/PT420-B platinum resistance thermometer
Dew point hygrometer OW-22/E-733 lithium chloride type
Barometer OW-7-420/ aneroid type
Anemometer 420-T
Sunshine duration meter 43-T
Rain gauge 34-T
Earth Temperature OW-1 platinum resistance thermometer
Logger OTAC2000 weather computer
Indication

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Automated

Thermometer
Hygrometer
Barometer
Anemometer
Rain gauge
Acid rain and Logger

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Temporary

Thermometer and Hygrometer
Barometer
rainfall
Acid rain
The instrument shelter

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