00:06 Intro of TN500 White Light GLP Turbidimeter
00:27 Intro of TN420 White Light Basic Turbidimeter
00:48 Intro of TN400 Infared Basic Turbidimeter
01:08 Intro of TN480 Infared GLP Turbidimeter
01:29 What's included in the test kit
02:20 Preparation before use
02:48 Calibration
05:47 Three measurement modes
06:36 Low turbidity sample measurement
08:20 0 NTU Error Reminder Function
