Eller det här, £68
http://www.weather-station-products.co.uk/...lay-with-logger"This temperature station can record up to 50,000 sets of data and transmit them via the wireless USB receiver (included) to your PC.
Recording intervals can be set at 1, 5, 10, 15, 30 minutes or 1, 2, 3, 6 hours. So recording every 1 minute would give you 34 days worth of data before a download was required"
Wow, jag vill ha! Visste inte innan jag läste ditt inlägg ;-)
Sökte på "weather station for greenhouse", det kommer upp en hel del
Det här var ännu bättre, $70, man kan t.o.m. "Create your own custom alerts to notify you by e-mail or text message if the temperature or humidity measurements exceed your defined range."
http://www.greenhousecatalog.com/product/w...on/thermometers