... for the maintenance of CNC Coolants (Soluble Oils, Semi-Synthetics, Neo-Synthetics and Synthetics) and Water Soluble Drawing & Stamping Compounds, Electroplate profession.Fruits ... , elongate your coolant life and save you money! Excellent for Soluble Oils, Semi-Synthetics, and Synthetics! This is the unit that ... (Option: ATC) Resolution Factor: 0.2% BrixCalibration: zero calibration with water at 20oC