Technical parameters
Measuring parameters: nitrogen, chlorophyll, leaf temperature, and leaf surface humidity (-4N)
Testing range
Chlorophyll range: 0.0-99.9SPAD
Nitrogen range: 0.0-99.9mg/g
Leaf humidity: 0.0-99.9%RH
Leaf temperature:-10-99.9°C
Testing area: 2mm*2mm
Testing interval: less than 3sec
Testing accuracy
Chlorophyll accuracy: ±1SPAD
Nitrogen accuracy: ±5%
Leaf humidity accuracy: ± 0.5%
Leaf temperature accuracy: ± 0.5°C
Stored data capacity: 32KB
Power supply: 4.2V 2000mah Recharge Li-ion battery