Spectrum Technologies 3540DR Watchdog Wireless Standard Weather Station (-40°F ~ 257°F, 0 ~ 100%, Data Recorder (No Modem))

Air Temperature

RANGE: -40°F to 257°F (-40°C to 125°C)

ACCURACY: ± 0.54°F (-40°F to 194°F), ± 0.3°C (-40°C to 95°C)

Relative Humidity

RANGE: 0 to 100%

ACCURACY: ± 2% @ 77°F (25°C)

Rainfall

RANGE: 0.01" (0.254mm) resolution

ACCURACY: ± 2% at <2” (5cm)/hour

Wind Speed

RANGE: 0.1 to 200mph (0.1 to 322km/h)

ACCURACY: ± 2mph (± 3km/h) ± 5%

Wind Direction

RANGE: 0° to 359°, 1° increments

ACCURACY: ± 3°

External Sensor Ports: 6 x 2.5mm Stereo Jack (0 to 3.0 VDC Analog Input)

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

External Communication: Cellular, WiFi, Radio, Data Logger

Power Source: 3.5W Solar Panel, Rechargeable 6V/4.5AH SLA Battery

Battery Life: 14 Days Minimum Without Solar Power

Data Capacity: 312 Days at 15 Minute Intervals (30,000 Records)

Dimensions: 12”H x 19.5”L x 11.25”W (30.5cm x 49.5cm x 28.6cm), Add up to 7.25” (18.4cm) Depending on Antenna Used

Datasheet