Chlorophyll Meter is designed to improve crop quality by providing accurate and reliable data on chlorophyll content, leaf temperature, nitrogen content, and leaf humidity. Easy-to-use interface with real-time data display. It measures SPAD values ranging from 0.0 to 99.9 and temperature from -10 to 99.9°C. Ample on-board data storage stores up to 999 data groups. Equipped with a lithium-ion battery which is rechargeable according to needs.