Suomen lämpömittari 7870 wireless weather station, 3 channels. Easy-to-use wireless weather station that measures temperature, humidity, air pressure, rainfall, as well as wind speed and direction.

The weather station features comprehensive alarm functions for temperature, humidity, rain, and wind. In addition to maximum and minimum values, the recording time is also displayed. There are three channels in total for temperature and humidity. The starter pack includes one transmitter, but channels two and three can be added separately with the Suomen Lämpömittari transmitter 7871.

Features:

• Outdoor temperature and outdoor humidity, wind speed, wind direction, and rainfall
• Wireless frequency 433 MHz, range up to 100 m in open space
• Indoor temperature and indoor humidity
• Maximum and minimum values with timestamps
• Adjustable alarm limits for temperature, humidity, rain, and wind
• Weather forecast
• Air pressure trend graph over 24 hours
• Wind direction graphically displayed with a wind rose
• Maximum wind speed over the last 24 hours, seven days, current month, or year with timestamp
• Rainfall over the last hour, 24 hours, seven days, current month, or year, as well as total rainfall amount
• Monthly rainfall over the last year
• Two additional channels for temperature and humidity sensors
• Dimensions: display unit: 226 x 30 (86) x 138 (132) mm
• Measurement accuracy: temperature ±1°C, humidity ±5% in the range 30–85%, wind ±1% or ±0.8 m/s
• Measurement range: indoor temperature 0 to +50°C, outdoor temperature -40 to +60°C, humidity 10 to 99%, rainfall 0 to 9999 mm, wind 0 to 49 m/s
• Batteries: display unit 3 pcs 1.5V AA, temperature/humidity transmitter 2 pcs 1.5V AA, rain sensor 2 pcs 1.5V AA, wind sensor 3 pcs 1.5V AA

Note: Batteries are not included in the package.