BIO-3000 Comprehensive Toxicity Analyzer of Water Quality is an instrument to quickly test the toxicity of water bodies outdoors, which adopts luminous bacteria method in accordance with national standard (GB/T15441 1995) and ISO (ISO 11348-3). This method is simple, quick, sensitive and can test the comprehensive bio-toxicity of many materials, which can be widely applied to environmental pollution, emergency episode, security check, normal inspection and analytical investigation.