British Lufthansa CIRAS-3 portable photosynthesis analyzer

1、 Product parameters
1. Host part:
1.1 Four independent high-precision non dispersive infrared CO2/H2O analyzers, equipped with automatic zero adjustment and automatic differential balancing technology, to avoid the occurrence of incorrect experimental data due to failure to manually match in a timely manner when there are severe fluctuations in environmental CO2; Four analyzers are used to measure the concentrations of CO2 and H2O gases in the reference and analysis gas paths, respectively. The analyzers can be used for open or closed measurements.
*1.2. CO2 measurement range: 0-9999 μ mol mol-1
CO2 accuracy: 0.2 μ mol mol-1 at 300 μ mol mol-1
At 1750 μ mol mol-1, it is 0.5 μ mol mol-1
At 10000 μ mol mol-1, it is 3 μ mol mol-1
1.3. CO2 control range: 0-2000 μ mol mol-1
*1.4. H2O measurement range: 0-75mb
H2O accuracy: 0.015mb at 0mb
0.020mb at 10mb
0.030mb at 50mb
1.5. H2O control range: 0-dew point
1.6. Pressure range: 65-115kPa
*1.7 Stability: Regular automatic zeroing and differential balance calibration functions can effectively eliminate instrument zero drift caused by environmental and other reasons, improve experimental efficiency, and enhance the reliability of experimental results
1.8 Air sampling: The built-in sampling pump determines the flow rates of the reference gas and analysis gas, which can be set within 50-100 cc min-1.
1.9. Leaf chamber gas supply: The leaf chamber gas supply can be set within the range of 0-500cc min-1
1.10. Auxiliary port: mini USB interface
1.11. Data update rate: 1.6s
*1.12 Data output: USB
1.13. Instrument display: VGA semi transmissive material LCD screen LCD display (7.0 inches), which clearly displays real-time data in strong outdoor light
1.14. User input: 27 keys
1.15. Power supply: Equipped with a large capacity rechargeable lithium battery, it has small size, light weight, high efficiency, and can work continuously for 8 hours
1.16 Operating environment: 0-50 ℃
1.17. Shell: Wear resistant polyurethane aluminum profile designed for human comfort
*1.18. Size: 27.5 cm (W) x 14.5 cm (D) x 24 cm (H)
*1.19. Weight: It has extremely high portability while meeting the requirements of scientific research accuracy, with the host weighing less than 5kg
*1.20. Optional external assimilation chamber equipment such as soil respiration chamber, group assimilation chamber, fruit respiration chamber, etc
2. Leaf chamber section:
2.1 Structure: Aluminum alloy blade chamber handle; Leaf chamber window material equipped with infrared filtering function; Stainless steel pump wheel
2.2. LCD Display: A 2-line x 16 character LCD display on the blade chamber handle, which corresponds to the host display screen, displays real-time experimental data, simplifies the operation of the experimenter, and improves experimental efficiency
2.3. Buttons: Two buttons are used to record and adjust the LCD, respectively
*2.4. Leaf chamber window size: 18mm diameter, 2.5cm2 area;
25 × 18mm, with an area of 4.5 cm2;
25 × 7mm, area 1.75cm2
2.5. Automatic temperature control: Excellent leaf chamber temperature control, can be controlled within 10 ℃ above and below atmospheric temperature, temperature control range: 5-45 ℃
2.6. Temperature probe: Thermistor, measurement accuracy ± 0.5 ℃
2.7. Leaf temperature probe: Infrared radiation probe, non-contact measurement of blade temperature, protection of experimental materials, and extension of probe service life
Measurement accuracy ± 0.5 ℃
2.8. Two built-in PAR probes: range 0-3000 μ mol m-2 s-1, integrating light from 400-700nm, with a resolution of 1 μ mol m-2 s-1
External PAR probe (one): Range 0-3000 μ mol m-2 s-1, integrating light from 400-700nm, resolution of 1 μ mol m-2 s-1
2.9. Size: 32 cm (L) x 4 cm (W)
3. Light source section:
*3.1. Fully automatic red, blue, green, and white four-color LED light source, automatic light control range: 0-2500 μ mol m-2 s-1
Red light peak 625nm+/-5nm, half width 15nm
Green light peak 528nm+/-8nm half width 40nm
Blue light peak 475nm+/-10nm half width 28nm
White light wavelength 425-650nm
2、 Product Features
1. Fully automatic differential balancing and zeroing technology ensures accurate data and simplifies operating procedures.
2. The intelligent leaf chamber environmental control system can accurately control environmental factors such as light intensity, light quality, CO2 concentration, temperature, and humidity.
3. Red, blue, green, and white multi light quality light sources, with a single light quality intensity of up to 2500 μ mol m-2 s-1, can freely set the ratio of four light qualities, and can be used in conjunction with fluorescence parameter detectors.
4. Non dispersive infrared analyzer ensures accurate determination of CO2 and H2O.
5. CO2 measurement concentration up to 10000
3、 User experience
1. Lightweight and portable, the host weighs only 4.3kg and the leaf chamber weighs only 0.75kg.
2. The new 7-inch semi transparent LCD host display screen can display clearly under direct sunlight.
3. The new LCD digital display leaf chamber displays real-time measurement data and is very easy to operate.
4. Rich accessories including fluorescence parameter detectors, population assimilation chambers, and respiration chambers to meet diverse research needs
5. According to research needs, various complex measurement programs such as response curves and photosynthetic initiation processes can be freely edited, and the measurement process can be run with one click.

Juchuang Environmental Protection provides you with comprehensive technical support and perfect after-sales service! Details consultation:!

1. Host part:
1.1 Four independent high-precision non dispersive infrared CO2/H2O analyzers, equipped with automatic zero adjustment and automatic differential balancing technology, to avoid the occurrence of incorrect experimental data due to failure to manually match in a timely manner when there are severe fluctuations in environmental CO2; Four analyzers are used to measure the concentrations of CO2 and H2O gases in the reference and analysis gas paths, respectively. The analyzers can be used for open or closed measurements.
*1.2. CO2 measurement range: 0-9999 μ mol mol-1
CO2 accuracy: 0.2 μ mol mol-1 at 300 μ mol mol-1
At 1750 μ mol mol-1, it is 0.5 μ mol mol-1
At 10000 μ mol mol-1, it is 3 μ mol mol-1
1.3. CO2 control range: 0-2000 μ mol mol-1
*1.4. H2O measurement range: 0-75mb
H2O accuracy: 0.015mb at 0mb
0.020mb at 10mb
0.030mb at 50mb
1.5. H2O control range: 0-dew point
1.6. Pressure range: 65-115kPa
*1.7 Stability: Regular automatic zeroing and differential balance calibration functions can effectively eliminate instrument zero drift caused by environmental and other reasons, improve experimental efficiency, and enhance the reliability of experimental results
1.8 Air sampling: The built-in sampling pump determines the flow rates of the reference gas and analysis gas, which can be set within 50-100 cc min-1.
1.9. Leaf chamber gas supply: The leaf chamber gas supply can be set within the range of 0-500cc min-1
1.10. Auxiliary port: mini USB interface
1.11. Data update rate: 1.6s
*1.12 Data output: USB
1.13. Instrument display: VGA semi transmissive material LCD screen LCD display (7.0 inches), which clearly displays real-time data in strong outdoor light
1.14. User input: 27 keys
1.15. Power supply: Equipped with a large capacity rechargeable lithium battery, it has small size, light weight, high efficiency, and can work continuously for 8 hours
1.16 Operating environment: 0-50 ℃
1.17. Shell: Wear resistant polyurethane aluminum profile designed for human comfort
*1.18. Size: 27.5 cm (W) x 14.5 cm (D) x 24 cm (H)
*1.19. Weight: It has extremely high portability while meeting the requirements of scientific research accuracy, with the host weighing less than 5kg
*1.20. Optional external assimilation chamber equipment such as soil respiration chamber, group assimilation chamber, fruit respiration chamber, etc
2. Leaf chamber section:
2.1 Structure: Aluminum alloy blade chamber handle; Leaf chamber window material equipped with infrared filtering function; Stainless steel pump wheel
2.2. LCD Display: A 2-line x 16 character LCD display on the blade chamber handle, which corresponds to the host display screen, displays real-time experimental data, simplifies the operation of the experimenter, and improves experimental efficiency
2.3. Buttons: Two buttons are used to record and adjust the LCD, respectively
*2.4. Leaf chamber window size: 18mm diameter, 2.5cm2 area;
25 × 18mm, with an area of 4.5 cm2;
25 × 7mm, area 1.75cm2
2.5. Automatic temperature control: Excellent leaf chamber temperature control, can be controlled within 10 ℃ above and below atmospheric temperature, temperature control range: 5-45 ℃
2.6. Temperature probe: Thermistor, measurement accuracy ± 0.5 ℃
2.7. Leaf temperature probe: Infrared radiation probe, non-contact measurement of blade temperature, protection of experimental materials, and extension of probe service life
Measurement accuracy ± 0.5 ℃
2.8. Two built-in PAR probes: range 0-3000 μ mol m-2 s-1, integrating light from 400-700nm, with a resolution of 1 μ mol m-2 s-1
External PAR probe (one): Range 0-3000 μ mol m-2 s-1, integrating light from 400-700nm, resolution of 1 μ mol m-2 s-1
2.9. Size: 32 cm (L) x 4 cm (W)
3. Light source section:
*3.1. Fully automatic red, blue, green, and white four-color LED light source, automatic light control range: 0-2500 μ mol m-2 s-1
Red light peak 625nm+/-5nm, half width 15nm
Green light peak 528nm+/-8nm half width 40nm
Blue light peak 475nm+/-10nm half width 28nm
White light wavelength 425-650nm