YX-501 Canopy Photo Thermometer 
The canopy photo thermometer is a small hand-held device independently produced by our company, which can measure the leaf temperature, photosynthetic active radiation (PAR), leaf space angle, average canopy temperature and leaf area index (LAI) of plants canopy. This instrument can be used in the research of plant stress, crop c*tion, field investigation and other scientific research work. Ⅰ Instrument Function 1. Measurement: Leaf temperature (T), photosynthetic active radiation (PAR), leaf space angle 2. Calculate: Leaf area index (LAI), canopy average light and temperature. 3. Display: Temperature, angle, light intensity, LAI, time, power, file name, etc. 4. Power supply: Rechargeable lithium battery 5. Set up: Edit file name, measurement items are optional. 6. Other: Store, transmit and delete data Ⅱ Technical Parameters 1. Infrared temperature sensor Range: -40~60℃; Resolution: 0.1℃; Angle of view: 3⸰; Distance: ≤ 1m 2. PAR sensor Range: 0~3000 μmol/m2s; Resolution: 1 μmol/m2s; Cosine correction 3. Angle sensor Range: azimuth 0~360⸰; Inclination 0~180⸰; Resolution: 1⸰ 4. Battery: Model 18650 can be charged with lithium, and it providing 10 hours of running time. 5. Display: 1.3-inch 128×64 dot matrix OLED display 6. Keyboard: 2×2 capacitive touch keyboard 7. Storage: Stored 16,000 groups of measurement data 8. Transmission: USB Type-C port 9. Size: 18×4×4 cm 10. Operating environment: Temperature: 0 ~ 50℃; Humidity: 0 ~ 90% RH without condensation 11. Storage temperature: -20~50℃ 12. Other Support software upgrade, low voltage alarm
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