Pocket PEA (Rapid Screening Chlorophyll Fluorometer) Hansatech
Description
The Pocket PEA chlorophyll fluorimeter is suitable for teaching, research and a wide variety of commercial applications. The robust yet compact hand-held design provides ease of use and reliable operation.
Samples are conveniently dark adapted prior to measurement using the leafclips supplied. Single-button operation fully automates the complete measurement process from data capture through to calculation and display of the key Fv/Fmand Performance Index (PI) chlorophyll fluorescence parameters.
The rapid 1-second measurement capability and 200 measurement memory capacity make the Pocket PEA an invaluable tool in large-scale plant screening programs.
The chlorophyll fluorescence signal received by the sensor during recording is digitised in the control unit using a fast 16-bit analogue/digital converter ensuring excellent precision and repeatability of results. The fluorescence signal is digitised at different rates dependent upon the different phases of the induction kinetic. Initially, data is sampled at 10µs intervals for the first 300 µseconds. This provides excellent time resolution of Fo and the initial rise kinetics. The time resolution of digitisation is then switched to slower acquisition rates as the kinetics of the chlorophyll fluorescence signal slow. This process allows optimum resolution of the overall measurement whilst minimising the size of the data set and thus maximising memory capacity.
- FeaturesUltra-portable chlorophyll fluorescence measurement systemRapid screening capability with single-button operationOn-board storage of up to 200 full data setsAutomatic calculation of parameters including Fv/Fm & OJIP analysisRobust enclosure with sealed, high-intensity optics100kHz sampling frequency with 16-bit resolutionBluetooth® wireless data transfer as standardPowerful Windows® data transfer & analysis software included
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