High-performance portable pH meter for measuring the surface pH of solid, semi-solid, gel and viscous samples, 1 to 3 points calibration, setup menu contains 7 options, accuracy 0.01 pH.
High-performance portable pH meter for piercing and measuring soil and soft solid samples, 1 to 3 points calibration, setup menu contains 7 options, accuracy 0.01 pH.
High-performance portable pH meter for measuring micro-volume samples in test tubes, 1 to 3 points calibration, setup menu contains 7 options, accuracy 0.01 pH.
Professional portable pH/ion meter with pH, oxidation-reduction potential and ion concentration measurement modes, setup menu contains 12 options, accuracy 0.002 pH.