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In this work  a portable fluorimeter was developed to determine the amount of chlorophyll in surface water. The instrument was constructed using the following components: a microcontroller (PIC18F4550), two LEDs (light emitting diode) as light source, a multichannel photodiode (TCS-230) as detector and a digital display. LEDs with maximum at 405 and 760 nm were used. The detector TCS-230 is equipped with three optical filters inside with maximum sensitivity at 480, 540 and 690 nm.  The detector can also be used without the optical filter with high sensitivity throughout the visible spectral region with maximum sensitivity at 680 nm. With the use of LEDs and detector TCS-230 there is no need of lenses, optical filter, slits and diffraction gratings in the construction of the fluorimeter. The microcontroller acts as the central processing unit and all components of the instrument are controlled by it from a program previously recorded in its memory, hence there is no need to use a microcomputer. The fluorimeter was calibrated using standard solutions of fluorescein and rhodamine 6G in HCl 1.0 x 10‑5 mol L-1 which was compared with a spectrofluorimter bench top, and the results were in agreement at a level of 95%. (not sure of this sentence--"obtaining"--you might mean "It has a linear...." Obtaining a linear response range for fluorescein between 0.5 and 100.0 x 10-6 and a correlation coefficient of 0.996, and for rhodamine 6G a linear response range between 0.2 and 10.0 x 10-6 and a correlation coefficient of 0.989. The instrumentation was used for determination of chlorophyll  in samples of surface water and in the culture medium for algae. The results were agreement for level of 95% compared with a comparative spetrophotometric method. For chlorophyll, it resulted in  a concentration range between 2.5 and 1333,6 x 10-6 and a correlation coefficient of 0.995. The interval obtained serves CONAMA resolution N° 357 of 2005 that determines the classification of the quality water bodies covering the concentrations of 10.0, 30.0 and 60.0 x 10-6 g L-1 for different classes of water. The florimeter developed is inexpensive, easy to use, has low power consumption allowing its use of small batteries (10 cm x 20 cm x 15 cm) and with total weight of 0.76 kg. The fluorimeter is used in determining species

Here it is, I tried my best... If you have questions of a specific word or something just ask me! Oh and btw my friend amanda helped too

In this work we developed a portable fluorimeter that is used for the determination of chlorophyl on a surface water. The instrument was constructed using the following components: a microcontroler (PIC18F4550), two LEDs (light emitting diode) as light source, a multichannel photodiode (TCS-230) as detector and a digital display. LEDs with maximum at 405 and 760 nm were used. The detector TCS-230 is equipped with three optical filters inside, with maximum sensitivity at 480, 540 and 690 nm. It also functional without the optical filter with high sensitivity throughout the visible spectral region with maximum sensitivity at
680 nm. With the use of LEDs and detector TCS-230 there is no need for lenses, optical filters, slits and diffraction gratings in the construction of the fluorimeter. The microcontroller acts as the central processing unit and all components of the instrument are controlled by him from a program previously recorded in the memory, hence no need to use a microcomputer. The fluorimeter constructed was calibrated using standard solutions of fluorescein and rhodamine 6G in HCl 1.0 x 10‑5 mol L-1. Compared with a spectrofluorimeter bench top, the results were in agreement at a level of 95, obtaining a linear response range for fluorescein between 0.5 and 100.0 x 10-6 and a correlation coefficient of 0.996, and for rhodamine 6G a linear response range between 0.2 and 10.0 x 10-6 and a correlation coefficient of 0.989. This instrumentation was used for determination of chlorophyl a in samples of surface water and of cuture medium for algae and the results were in agreement at a level of 95% with a comparative spectrophotometric method. Chlorophyll a was found with a concentration range between 2.5 and 1333,6 x 10-6 and a correlation coefficient of 0.995. The interval obtained serves CONAMA resolution N° 357 of 2005 that determines the classification of the quality of bodies of water covering the concentrations of 10.0, 30.0 and 60.0 x 10-6 g L-1 for different classes of water. The florimeter that was developed is inexpensive, easy to use, has low power consumption allowing its use the with small size (10 cm x 20 cm x 15 cm) batteries and has a weight of 0.76 kg. The fluorimeter allows its use in determining species