Combi hand-held measuring device, SevenGo Duo(TM) SG23-FK5, incl. pH-electrode InLab® Expert Pro-ISM, conductivity sensor InLab® 738-ISM (both IP 67, 5 m cable), elastic protective cover, bag with buffer solutions pH (2 bags each 4.01, 7.00), bag with calibrating standards conductive (2 bags each 1413 and 12880 µS/cm), sample bottles, wrist strap, case