Model

TYS-4N

Testing objects

Nitrogen, chlorophyll, leaf temperature, and leaf humidity(-4N).

Chlorophyll range

0.0‐99.9SPAD

Nitrogen range

0.0‐99.9mg/g

Leaf humidity

0.0‐99.9RH%

Leaf temperature

‐10‐99.9°C

Testing area

2mm*2mm

Testing interval

less than 3sec

Stored data capacity

999 groups

Power supply

4.2V 2000mah Recharge Li‐ion battery

Chlorophyll accuracy

±1SPAD

Nitrogen accuracy

±5%

Leaf humidity accuracy

± 0.5%

Leaf temperature accuracy

± 0.5°C