The 2nd Generation of HandyLab devices offer analog and digital options for measuring pH, ORP, dissolved oxygen, and conductivity in the field or the lab.
Optiline 6 Sensors
OptiLine 6 is a photometric sensor that can be used like any other sensor. Thanks to the additional analog BNC / DIN connection, it can be connected to any titrator or even a pH meter with an appropriate measuring input.
SI Analytics offers the Lab and ProLab Series of benchtop meters. They feature a user-friendly design for training purposes, and routine and daily measurements.