Milwaukee Instruments pH Monitor Model SMS110
Model SMS110 pH monitor, range: 0.0 to 14.0 pH, with 2 point manual calibration, and accuracy of 0.2 pH. Set point range: 3.5 to 7.5 pH, and led visual alarm active when reading is higher than set point. Supplied with 12v DC power adapter, MA911B/2 double junction pH electrode, 20ml. pH 7.01 buffer solution and screwdriver for calibration. Instructions