In the 80’s Kuster developed the first downhole electronic memory gauge to be introduced in the market. Since that time, many advancements in Electronics have lead Kuster to develop and introduce K10 series of In the 80’s Kuster developed the first downhole electronic memory gauge to be introduced in the market. Since that time, many advancements in Electronics have lead Kuster to develop and introduce K10 series of Electronic Memory and SRO tools.