Labtron manufactures the Portable Multiparameter Water Quality Analyzer, a portable water quality analyzer for testing over 70 parameters in drinking water, surface water, groundwater, wastewater, and industrial samples. Automatic wavelength selection from 420 to 700 nm, polarographic pH detection, and fluorescence-based dissolved oxygen measurement support routine water analysis. The unit stores up to 10,000 records and includes printing and USB connectivity for field documentation, data transfer, and environmental monitoring workflows.