pH

From pocket to tank: pocket pH meters that measure very small samples, including viscous liquids, solids and powders; benchtop pH, ORP and ion meters with touch screens, multi-point calibration, memory and outputs for a computer or printer; and multiparameter probes for field work.

For continuous monitoring, there are pH and temperature sensors with a 4-20mA output that work with data loggers and RTUs, and modular measurement and control systems for aquaculture tanks.