Portable plant photosynthesis meter FK-GH30
Measurement mode: closed circuit measurement
Nondispersive infrared CO2 analysis
Photosynthetically active radiation (PAR)
Leaf chamber temperature
Leaf chamber humidity
Analysis and calculation:
Leaf photosynthetic rate
Leaf transpiration rate
Intercellular CO2 concentration
Efficiency of water application
A dual-wavelength infrared carbon dioxide analyzer with temperature adjustment is added, with a measurement range of 0-3,000ppm and a resolution of 0.1ppm; accuracy 3ppm.Carbon dioxide measurement is not affected by temperature changes. The instrument is characterized by high stability, high precision and sensitive reflection, and can complete carbon dioxide difference collection within 1 second.
Leaf chamber temperature:
High-precision digital temperature sensor, measuring range: -20-80 ℃, resolution: 0.1 ℃, error: ± 0.2 ℃
Platinum resistance, measurement range: -20-60 ℃, resolution: 0.1 ℃, error: ± 0.2 ℃
High-precision digital temperature sensor:
Measurement range: 0-100%, resolution: 0.1%, error ≤ 1%
Photosynthetically active radiation (PAR):
Silicon photocell with correction filter
Measurement range: 0-3,000μmolm ㎡/s, precision < 1μmolm ㎡/s, response wavelength range: 400-700nm
Flow measurement: glass rotor flowmeter, the flow rate is arbitrarily set in the range of 0-1.5L, the error is 1%, or < ± 0.2% in the range of 0.2-1L/min, the air pump flow rate can be set as required, the influence on photosynthesis under different gas flow rates can be measured, and the gas flow rate is stable.
Leaf chamber size: standard size 55 × 20 mm, other sizes can be customized as required.
Operating environment: temperature: -20 ℃-60 ℃, relative humidity: 0-100% (without water vapor condensation)
Power supply: DC8.4V lithium battery, which can work continuously for 10 hours.
Data storage: 16G memory, expandable to 32G.
Data transmission: USB connection computer can directly export Excel table data.
Display: 3.5" TFT true color LCD color display, resolution 800 × 480 (clearly visible under strong light)
Dimensions: 260 × 260 × 130 mm; Weight: 3.25 kg (main unit)