دستگاه کلروفیل سنج مدل FK-YL04

Detection items: chlorophyll content, nitrogen content, leaf surface temperature, leaf surface humidity

Measuring range Chlorophyll: 0.0-99.99SPAD Nitrogen content: 0.0-99.99mg/g Leaf surface humidity: 0.0-99.9RH% Leaf surface temperature: -10-99.9°C

Measuring area: 2mm*3mm

Measurement accuracy Chlorophyll: within ±1.0 SPAD unit (room temperature, SPAD value between 0-50) Nitrogen content: ±5% Leaf surface humidity: ±5% Leaf surface temperature: ±0.5°C

Repeatability Chlorophyll: within ±0.3 SPAD units (SPAD values between 0-50) Nitrogen content: ±0.5mg/g Leaf surface humidity: ±0.5RH% Leaf surface temperature: ±0.2°C

Measurement time interval: less than 0.8 seconds

Data storage: 16GB can be grouped according to user requirements for storage

Power supply: 4.2V rechargeable lithium battery

Battery capacity: 3000ma

Weight: 230g 11. Working and storage environment: -10 ℃ ~ 50 ℃ ≤ 85% relative humidity