Brief introduction: PB0402 photosynthetic apparatus of small volume, light weight, user identification ability, high degree of automation, measuring project such as users get more convenient in use process. Main measurements: leaf room temperature, leaf room humidity, temperature, co2 concentration, photosynthetic active radiation, can calculate the plant photosynthetic rate, transpiration rate, stomatal conductance, intercellular co2 concentration, water use efficiency, suitable for in ecology, agriculture, forestry, etc. Used in the research work. Technical indicators: 1. The work environment temperature: 0 to 50 ℃, relative humidity: 0-100% (no water vapor condensation) 2. Power supply: DC7.4 version AH can save electric lithium battery, can work continuously for 7-9 hours 3. The blade temperature sensor: imports of platinum resistance, measuring range: 0-50 ℃, resolution: 0.1 ℃, the error of plus or minus 0.3 ℃ 4. Display: 240 * 128 lattice, Chinese cursor boot menu interface, 26 English letters custom user name 5. Data transmission: SD card 6. Flowmeter: glass rotor flowmeter, measuring range: 0-2 L/min, the resolution: 0.1 L/min, error: plus or minus 3% 7. CO2 analysis: non dispersive infrared CO2 analysis, measuring range: 0-1500 parts per million, Resolution: 1 PPM, 350 PPM precision 3 PPM 8. Temperature: imported high precision temperature sensor, measurement range: 0-50 ℃, resolution: 0.1 ℃, the error of plus or minus 0.3 ℃ 9. PAR: take correction filter of the silicon photocell, measuring range: 0-2742 (including molm - 2-1, precision: 5 or less (including molm - 2-1 10. Leaves room humidity sensor: imported high precision humidity sensor, measurement range: 0-100%, resolution: 0.1%, Error: plus or minus 2% or less (0-80%), plus or minus 4% or less (80-100%)
Brief introduction: PB0402 photosynthetic apparatus of small volume, light weight, user identification ability, high degree of automation, measuring project such as users get more convenient in use process. Main measurements: leaf room temperature, leaf room humidity, temperature, co2 concentration, photosynthetic active radiation, can calculate the plant photosynthetic rate, transpiration rate, stomatal conductance, intercellular co2 concentration, water use efficiency, suitable for in ecology, agriculture, forestry, etc. Used in the research work.