The updated Combo Pen P150 Pro has been developed further and now features improved software. The major advantage of this model is its analogue EC calibration. This means that the calibration solution does not need to have a temperature of exactly 25 C.
KCI Storage Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C. Do not return liquid. Thoroughly rinse the electrode before and after each use. Pour some KCI storage solution into the electrode's protective cover. Pl