Water/Wastewater

  • Fluorescence and turbidity probes now offer digital output

Fluorescence and turbidity probes now offer digital output

Mar 16 2020 Read 411 Times

Turner Designs’ C-Flour probes are sensitive single-wavelength in situ fluorescence and turbidity instruments that are now available with a digital output option.  ASCII data can be polled every 0.5 seconds or streamed at variable rates as fast as 16 readings per second. Combining a maximum requirement of 22mA current draw at 12VDC input with a T99 of less than 0.6 seconds, Digital C-Fluor probes require very low levels of power.  Factory-calibrated, each C-Fluor ships with a calibration certificate that specifies the calibrated range and minimum limit of detection as fluorophore concentrations.  Titanium construction allows for a depth rating of 2,000 meters as well as superior resistance to corrosion, an important factor with the capability for extended deployments.  

Digital C-Fluor probes are very small: 5.2” length x 0.9” diameter (13.24cm x 2.23cm) and weigh 3.3 oz (95 grams).  They can easily be integrated with dataloggers that accept ASCII data strings via RS-232.  Probes are available for estimating concentrations of: in vivo chlorophyll, crude oil, CDOM/fDOM (dissolved organic material), blue/green algae, fluorescein dye, rhodamine dye, optical brighteners, and turbidity.  Available accessories include a flow-through cap for in-line sampling; a shade cap to minimise the effects from ambient light and offer protection for the optics; solid secondary standards for checking instrument stability; various cable lengths; and a programming cable for using software calibration functions if custom calibrations are desired. 

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