Yaxin-1105 Photosynthesis & Fluorescence System

The instrument can be used to calculate the rate of photosynthesis （respiration） and transpiration, stomata conductance, internal CO2 concentration of leaf, as well as obtain the efficiency of quantum of light or water efficiency etc..
 

I. Instrument Functions

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, PIABS, 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

Ⅱ. Technical Parameters

1.CO2 Sensor

Type: The diffuse infrared analyzer; Range:0~1500ppm; Resolution:0.1ppm; Accuracy: average noise≤0.4ppm; maximum noise≤0.8ppm (CO2 constant); Response time:15s

2.Light Quantum Sensor

Type: silicon photocell with a fixed optical filter; Range:0~2500μmolE/m2s; Spectrum:400~700nm; Resolution:1μmolE/m2s; Error: ±5%

3.Leaf Temperature Sensor

Type: T thermocouple; Range:0.0~50.0℃; Resolution:0.1℃; Error:±0.3℃

4.Atmospheric Temperature Sensor

Type: Thermistor; Range:0~50℃; Resolution:0.1℃; Error:±0.3℃

5.Flow Meter

Type: micro electron flow meter; Range:0.3~1.0L/min; Resolution:0.01L/min; Error:5%

6.Humidity Sensor

Type: Sensirion digital; Range:0~90%RH; Resolution:0.1%; Error:<±1.8%RH

7.Host

Display:240×128 dot-matrix LCD display; Memory capacity:32G SD card;8MB flash chip; Interface: USB2.0; Power supply:7.2V 10Ah, Li-ion rechargeable,7 to 9 hours battery life of one charge; Size:28.0×24.5×16.0cm; Weight:5.0kg; Others: firmware update

8.Fluorescent Probe

Type: YX handheld

Light source: blue LED,470nm

Range of light intensity:3500μmolE/m2s

Measuring time:1s~10s, adjustable

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

Size of power supply:12×8×4cm

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

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×ø90mm) areatus leaf chamber

11.Operating Conditions

Temperature:0~50℃; Humidity:0~90%RH (non-condensate)