Spectrum Technologies 3220 雨量站 (-22° đến 130°F)

Air Temperature Range: -40°F to 257°F (-40°C ~ 95°C), Accuracy: ± 0.54°F (-40°F to 194°F) ; ± 0.3°C (-40°C ~ 95°C)

Relative Humidity Range: 0 to 100%, Accuracy: ± 2% @ 77°F (25°C)

Rainfall Range: 0.01" (0.254 mm) resolution, Accuracy: ± 2% at <2" (5 cm)/hour

External Communication: Cellular, USB, Bluetooth, RS232

External Sensor Ports: 2 x 2.5mm stereo jack (0 to 3.0VDC analog input)

Data capacity: 30,000 data intervals can be stored on the unit before the oldest record is overwritten by the newest data (312 days at 15 minute intervals).

Dimensions (HxLxW): 12 x 19.5 x 11.25 in (30.5 x 49.5 x 28.6 cm).  (Without 7.25 in (18.4 cm) antenna)

Power Source: 3.5W solar panel, Rechargeable 6V/4.5AH SLA battery, optional AC/DC power adapter.

Battery Life: 14 days minimum with no solar power.

Operating Temperature Range: -22° to 130°F (-30° to 55°C)

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