The SubChemPak Analyzer is a rapid response, submersible chemical analyzer designed for high-resolution, real-time measurements of selected nutrients and other environmentally important chemicals. The four-channel, continuous-flow spectrophotometric analyzer is comprised of two modular components: 1) the SubChemPak reagent delivery module and 2) ChemStar, a four -six channel absorption detector manufactured by WET Labs, Inc.

     The SubChemPak Analyzer utilizes continuous flow analytical methodologies that are optimized for rapid in situ measurements of dissolved nitrate, nitrite, iron, and other nutrients. The host computer software remotely controls the operation, automated in situ calibration, and data acquisition for the instrument. The concentration readings for nutrients are instantaneously displayed on the computer monitor and stored on the hard disk. The SubChemPak Analyzer and its deck box are readily integrated with oceanographic CTDs and other underwater sensors on vertical and horizontal profiling platforms.