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Plant Stress Detection with Fv/ Fm Fv/ Fm - A Measure of Maximum Potential Quantum Efficiency Fv/ Fm is the most used parameter for plant stress detection in the world, and it is a robust way to detect stress that affects photosystem II.
General Specifications
Display : Color Graphic Display
Storage Capacity Up to 160,000 measurements. Up to 32 traces can be stored with a one data file name. Hundreds of traces can be stored in multiple data files, with different names.
Battery : NiMH battery pack with a battery life of 8 hours between charges.
Digital output: USB port
Dimensions: 18cm, 7 cm, 6cm.
Weight: 1.25 lbs. , with carrying case and accessories - 4 lbs.
Carrying case: Included std. Case dimensions: 36cm, 28cm, 15 cm
Modulated Fluorometer
Saturation intensity : 600- 6000 umols set from 10% to 100%
Saturation light source : Array of red LEDs 660 nm.
Modulated light source : red 0.2 to 1.0 :mols.
Detection method : Pulse modulated
Detector and Filter : Pin photodiode with 700-750 nm band pass filter
Test duration : 0.1 seconds to 1.5 seconds. The default saturation pulse duration is set at 1.0 second; however, the software takes a rolling eight point 25 ms average to determine F , and F , making it idea for both algae and land plants.
Modulated light adjustment : manual adjustment from 30% to 80%
