ECA-PC1401 Portable Photosynthetic Fluorescence Measurement System Introduction: The automation level and portability of this instrument have surpassed similar instruments in China. Small size, light weight, strong user recognition ability, high degree of automation, and multiple measurement items provide users with more convenience during use. The main measurement indicators of the ECA-PC1401 portable photosynthetic fluorescence measurement system are leaf chamber temperature, leaf chamber humidity, leaf temperature, carbon dioxide concentration, photosynthetic effective radiation, photosynthetic rate, transpiration rate, stomatal conductance, intercellular carbon dioxide concentration, water use efficiency, dark adaptation parameters: Fo, Fm, Fv/Fm, Fv/Fo, light adaptation parameters: Fs, Fo ', Fm', Fv '/Fm', Φ PS Ⅱ (△ F/Fm '), qI, qE, qT, qP, qNP, NPQ, ETR, is suitable for use in research in ecology, agriculture, forestry, and other fields. Features: 1. Main measurement modes: single leaf open circuit mode, single leaf closed circuit mode, group open circuit mode, group closed circuit mode, modulated chlorophyll fluorescence measurement, rapid induced chlorophyll fluorescence measurement, and environmental monitoring. 2. Result output: The measurement data is saved to SD. When reading data, the user only needs to unplug the SD card and insert the card reader into the computer to directly view the measurement data. The save format is TXT document and EXCELL. 3. Storage function: The instrument adopts a large capacity SD card, with a standard configuration of 2G, which can store 1 million sets of data and can be greatly expanded to 64G. 4. Display function: Chinese menu cursor guidance, 240 * 128 dot matrix display. 5. Keyboard function: Using a 26 letter English keyboard, numbers and letters can be switched for input, making it easy for multiple users to edit measurements with different usernames, and facilitating users to identify their own measurement data results. 6. Chlorophyll fluorescence and photosynthesis measurements can be conducted simultaneously 7. The chlorophyll fluorescence measurement probe structure of * integrates modulation light source, action light source, saturated pulse flame, far-infrared light source, and fluorescence receiver, and is equipped with a display screen and keyboard, making the operation simple and measurement convenient. The intensity and time settings of various light sources are simple and convenient, and can be defined according to user needs 8. The composite leaf chamber is suitable for various plant measurements, and the fluorescent leaf clamp can be used with imported fluorescent instruments on the market 9. Power function: Beijing Yikangnong DC7.4V7.6AH rechargeable lithium battery, capable of continuous use for up to 9 hours. Technical parameters: 1. CO2 sensor: Non diffusive infrared CO2 analysis, measurement range: 0-1500ppm, resolution: 1ppm, accuracy of 3ppm at 350PPm. 2. Leaf chamber temperature sensor: Imported high-precision temperature sensor, measurement range: 0-50 ℃, resolution: 0.1 ℃, error ± 0.3 ℃. 3. Blade temperature sensor: Imported platinum resistor, measurement range: 0-50 ℃, resolution: 0.1 ℃, error ± 0.3 ℃. 4. Leaf chamber humidity sensor: Imported high-precision humidity sensor, measurement range: 0-100%, resolution: 0.1%, error: ≤ ± 2% (0-80%), ≤ ± 4% (80-100%). 5. Photosynthetically active radiation sensor: Silicon photocell with correction filter, measurement range: 0-2742 µ molm-2 • -1, accuracy: ≤ 5 µ molm-2 • -1 6. Flowmeter: Glass rotor flowmeter, measurement range: 0-2L/min, resolution: 0.1L/min, error: ± 3% 7. Host: Display screen: 240 * 128 dot matrix, Chinese cursor guided menu interface, 26 English letters custom username. Storage method: SD card storage Host size: 290mm * 130mm * 120mm Instrument weight: 3.25Kg Working environment: Temperature -20 ℃ -50 ℃, relative humidity 0-100% (without water vapor condensation). 8. Photosynthetic determination composite leaf chamber: (additional) A rectangle: length: 5.5cm, width: 2cm (area: 11.00cm) ²); B Circle: radius: 0.5cm (area: 0.79cm) ²); C rectangle: 4.0cm long, 0.5cm wide (area: 2.00cm) ²); Customizable according to user needs 9. Fluorescence measurement parameters: 9-1. Modulated light: A 594 nm modulated beam with four adjustable frequencies. 9-2. Photochemical light: 460nm; 0-3000 μ Mol • m-2 • s-1, 99 adjustable gradients. 9-3. Saturated pulse light: 460nm0-10000 μ Mol • m-2 • s-1, 99 adjustable gradients. 9-4. Far red light: 735 nm, used to excite PSI. 9-5. Sample collection rate: 10-20000 times per second, determined by user settings. 9-6. Detector: PIN photomultiplier tube>700nm. 9-7. Measurement range of photosynthetically active radiation: PAR 0~20000 μ Mol • m-2 • s-1 9-8. Measurement time: 1-600s adjustable 9-9. Fastest sampling rate: 5 μ Once
Introduction: The automation level and portability of this instrument have surpassed similar instruments in China. Small size, light weight, strong user recognition ability, high degree of automation, and multiple measurement items provide users with more convenience during use. The main measurement indicators of the ECA-PC1401 portable photosynthetic fluorescence measurement system are leaf chamber temperature, leaf chamber humidity, leaf temperature, carbon dioxide concentration, photosynthetic effective radiation, photosynthetic rate, transpiration rate, stomatal conductance, intercellular carbon dioxide concentration, water use efficiency, dark adaptation parameters: Fo, Fm, Fv/Fm, Fv/Fo, light adaptation parameters: Fs, Fo ', Fm', Fv '/Fm', Φ PS Ⅱ (△ F/Fm '), qI, qE, qT, qP, qNP, NPQ, ETR, is suitable for use in research in ecology, agriculture, forestry, and other fields.