Portable Redox Meter Portable Redox Meter PC15-K PC15-K Portable Redox / mV /oC meter kit with digital display 0 - 14.00 pH, Redox 0 - 1999 mV or -50 to 150oC. Fitted with automatic temperature compensation on the Redox range. Supplied with 9005 - 3B epoxy bodied Redox electrode, stainless steel temperature sensor and carrying case. Portable Redox Meter PC18-K PC18 Portable Combination meter selectable for Redox, oC. and Conductivity. Ranges Redox 0 - 14.00, temperature -50 to +150oC. and conductivity 0 - 200 µS, 0 - 2000 µS or 0 - 20.00 mS. with auto temp comp to a base of 25oC at 2% / oCSupplied with 9005 - 3B epoxy bodied Redox electrode, conductivity cell A1003 k = 1.0 with ATC, and A8000 stainless steel temperature sensor.