Trạm đo thời tiết Spectrum WatchDog 3240, WatchDog 3250

Trạm đo thời tiết Spectrum WatchDog 3240, WatchDog 3250

Trạm đo thời tiết Spectrum WatchDog 3240, WatchDog 3250

• External Communication: Cellular, USB, Bluetooth, RS232
• External Sensor Ports: 1 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)
• Weight: 9.9 lbs. (4.5 kg)
• 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.