A device for measuring liquids for 7 different indicators with temperature compensation.

Model COM-600
1 - PH meter - measures acidity
2 - TDS meter - measures mineralization
3 - EC meter - measures electrical conductivity
4 - ORP - Measures Redox Potential
5 - Salinity - Measures salinity
6 - S - Measures density
7 - Temp - Measures temperature

Model COM-600 Bought here: http://ali.pub/5e2zvq (reliable, trusted seller, fast delivery)

Upgraded model BLE-C600 Bluetooth version for smartphone connection, buy here : http://alii.pub/67vcwi
PH calibration powders: http://alii.pub/5t9ay5
For ORP calibration: http://alii.pub/5to4hd

Reverse osmosis water filter "Lexpure" Overview and installation:    • Обзор, работа и установка  - Фильтр о...  

Unpacking and review of the optical refractometer -    • Рефрактометры для спирта и сахара! За...  
Link to the seller where I bought the optical sugar refractometer: http://ali.pub/4uuy8s

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