Greisinger gmh 3511 set ph temp meter set with ph electrode and temp probe greisinger gmh 3511 the gmh 3511 set is a full set of meter and accessories capable of carrying out easy and accurate measurements of ph levels and temperature br br the set contains br br gmh 3511 water analysis meter br ge 114 ph electrode br gtf 55 b temperature probe br buffer capsules 5 x gph 4 5 x gph 7 br 2x plastic wide mouth bottles gpf 100 br br b gmh 3511 handheld water analysis