Measurement Range:

Chlorophyll: 0.0-99.9 SPAD
Nitrogen Content: 0.0-99.9 mg/g
Leaf Humidity: -10-99.9°C
Leaf Surface Temperature: 0.0-999 RH%

Measurement Accuracy:

Chlorophyll: At room temperature, within the range of 0-50 SPAD units, accuracy is within ±1.0 SPAD unit
Nitrogen Content: Accuracy within ±5%
Leaf Surface Temperature: Accuracy within ±0.5°C

Repeatability:

Chlorophyll: Within the range of 0-50 SPAD units, repeatability within ±0.3 SPAD unit
Leaf Surface Temperature: Repeatability within ±0.2°C
Nitrogen Content: Repeatability within ±0.5 unit

Measurement Area: 2mm x 2mm

Data Storage Capacity: 32KB

Power Supply: 4.2V rechargeable lithium battery

Measurement Interval: Less than 3 seconds

Battery Capacity: 2000mAh

Weight: 200 grams

Working and Storage Environment: Operating temperature range from -10°C to 50°C; relative humidity up to 85%

Features:
1. The instrument is small and convenient, and can be operated with one hand.
2. Non-destructive measurement, which can quickly and non-destructively detect plant life without damaging the growth of crops.
3. After an accidental power failure, the saved data in the host will not be lost.
4. The historical data can be viewed, and can also be deleted one by one or - key to delete all.
5. Reasonable power management scheme, built-in rechargeable lithium battery, and the instrument comes with backlight function.