FOR PURE WATER TREATMENT FOR ULTRAPURE SEMICONDUCTOR RINSING; INTEGRAL TEMPERATURE SENSING FOR ACCURATE MEASUREMENT AND COMPENSATION; ON-LINE PH SENSOR DIAGNOSIS; DIRECT SENSOR INPUTS FOR ALL PARAMETERS; 1.35 INCH INSERTION LENGTH; 20 FT. CABLE; TITANIUM ELECTRODE; 250 PSIG AT 200 DEG F MAXIMUM PRESSURE; POLYTETRAFLUOROETHYLENE FITTING