1.Measurement

• CO₂ concentration,humidity,temperature,flow,leaf temperature,PAR(light intensity), atmospheric pressure

• Parameters which indicate Chlorophyll fluorescence intensity such as Fo,Fj,Fi,Fp.

2.Calculation  

• Photosynthetic rate,transpiration rate,stomatal conductance,intercellular CO₂

concentration

• Fluorescence parameters:Fv,Fv/Fm,Vj,Mo,PI_ABS,Area,tFm,etc.

3.Control Function

• Control the flow automatically

• Control the PAR automatically

• Control the measuring time

• Open and close style system optional

• Manual or automatic measurement

• Control the action light

4.Graphic Function

• Photosynthetic curve(photosynthesis-light intensity curve)

• Display OJIP-Chlorophyll Fluorescence Induction Kinetics Curves

5.Interface Function

• Display parameters,measuring values,system information in real-time

6.Software

• Embedded flash memory chips

• Interface:32G SD card,USB2.0

• Automatic firmware update

• Position machine software free of installation

7.Power Supply

• Li-ion rechargeable

• Artificial light source,independent power supply enable continuous work

8.Module Function

• Photosynthetic module

• Fluorescence module

• Photosynthetic-light module

Technical Specification

1.CO₂ Sensor

• Type:The diffuse infrared analyzer

l Range:0~1500ppm

l Resolution:0.1ppm

l Accuracy:average noise≤0.4ppm;maximum noise≤0.8ppm(CO₂ constant)

l Response time:15s

2.Light Quantum Sensor

• Type:silicon photocell with a fixed optical filter

• Range:0~2500μmolE/m²s

l Spectrum:400~700nm

• Resolution:1μmolE/m²s

• Error:±5%

3.Leaf Temperature Sensor  

l Type:T thermocouple

l Range:0.0~50.0℃

• Resolution:0.1℃

• Error:±0.3℃

4.Atmospheric Temperature Sensor

l Type:Thermistor

l Range:0~50℃

l Resolution:0.1℃

• Error:±0.3℃

5.Flow Meter

• Type:micro electron flow meter

l Range:0.3~1.0L/min

l Resolution:0.01L/min

• Error:5%

6.Humidity Sensor

• Type:Sensirion digital

l Range:0~90%RH

l Resolution:0.1%

• Error:<±1.8%RH

7.Host

• Display:240×128 dot-matrix LCD display

l Memory capacity:32G SD card;8MB flash chip

l Interface:USB2.0                                                                                  

l Power supply:7.2V 10Ah,Li-ion rechargeable,7 to 9 hours battery life of one charge  

l Size:28.0×24.5×16.0cm                                  

l Weight:5.0kg

• Others:firmware update

8.Fluorescent Probe

l Type:YX handheld

l Light source:blue LED,470nm

l Range of light intensity:3500μmolE/m²s                                                          

l Measuring time:1s~10s,adjustable

l Fastest sampling speed:5μs

• Weight:200g

• Size:2.5×9×5cm

9.Optic-controlled Module                                                    

• Type:YX-LA

• Light type:red LED,blue LED

• Spectrum:630nm,470nm

• Type:made up of red and blue LED

• Range:0~3500μmolE/m²s

• Light-emitting area:3.0×7.5cm

• Size of lamp base:10×3.5×5.5 cm

l Size of power supply:12×8×4cm

l Power supply:7.2V 10Ah,Li-ion rechargeable                    

l Light intensity control:automatic          

10.Leaf Chamber(choose any one)                                

• Ⅰ:(25×25mm)

• Ⅱ:(55×20mm)

• Ⅲ:(65×10mm)

• YXLC-4(85×45mm) moss leaf chamber

YXLC-5 (130×?90mm) areatus leaf chamber    

11.Operating Conditions

• Temperature:0~50℃

• Humidity:0~90%RH (non-condensate)