LS310 Digital Multi-Parameter Water Quality Tester Pen Type Drinking Water Analyzer COD TOC TDS UV275 Electrical Conductivity Tester Spectrophotometers Velocity VEL (RMS

Velocity VEL (RMS

model number: W-20B

Rise time:≤17

* LCD digital display * The metric system /England system unit transform

Bluetooth data output

LS310 Digital Multi-Parameter Water Quality Tester Pen Type Drinking Water Analyzer COD TOC TDS UV275 Electrical Conductivity Tester Spectrophotometers Velocity VEL (RMSBrand: Graigar Features: The instrument through the LCD backlight color indicates fine quality, good quality, average quality and poor quality 4 levels, the measurement results are very intuitive. The instrument does not need any reagent, can measure COD (chemical oxygen demand), TOC (total organic carbon), UV275 (ultraviolet absorption value), TDS (total dissolved solids), electrical conductivity, temperature 6 water quality indicators at the same