The BM-60 Handheld Water Quality Biotoxicity Analyzer utilizes the luminescent bacteria method, adhering to the standards of GB/T 15441-1995 and ISO-11348-3. The luminescent bacteria used emit blue-green fluorescence at 450-490 nm during normal metabolism. When exposed to external toxic substances, the metabolism of the bacteria is affected, leading to a suppression of luminescence intensity. The degree of inhibition is correlated with the toxicity of the external substances. This method provides a biological basis for the monitoring and assessment of environmental quality. The analyzer enables rapid on-site detection of water pollution and serves as an effective complement to conventional physicochemical scientific instruments.

The analyzer employs a dual-light-path comparative detection technology, allowing for kinetic monitoring of the entire toxicity inhibition process during detection. This provides a clear understanding of the toxic contact reaction process, addressing the limitations of evaluating toxicity based solely on single measurement results.