Portable multi-parameter water quality tester with waterproof carry-on safe box design, Android intelligent operating system, visual module design, featuring on-site evidence digital module, equipped with high-definition camera, supports built-in 4G network, GPS positioning, real-time data upload to cloud and regulatory platforms, real-time data synchronization via mobile APP and PC; includes an internal 360° automatic rotation colorimeter testing system, 4 automatic colorimetric dish testing structures, capable of testing 4 water samples with the same pollutant simultaneously, dual-zone digestion module with independent temperature control, high-definition color LCD touch screen, fiber optic testing technology, imported light source, professional water quality testing system, built-in high-capacity lithium battery, stable performance, accurate measurement, wide measurement range, powerful functions, and simple operation.Factory stock supply, supports customization, free on-site trial run