Following Models are available :
The Water and Soil Analysis Kit (Model : VSI-06D) : Four Parameters : Oxidation Reduction Potential (ORP), pH, Conductivity & Temperature.
The Water and Soil Analysis Kit (Model : VSI-6D1) : Four Parameters : pH, Total Dissolved Solids (TDS), Conductivity & Temperature.
The Water and Soil Analysis Kit (Model : VSI-06T) : Six Parameters : (Deluxe Model) : Dissolved Oxygen, pH, Total Dissolved Solids (TDS), Conductivity, Turbidity & Temperature.
The Water and Soil Analysis Kit (Model : VSI-07) : Seven Parameters : Dissolved Oxygen, Oxidation Reduction Potential (ORP), pH, Total Dissolved Solids (TDS), Conductivity, Salinity & Temperature.