Benchtop Ph And Mv And Temp. Meter With Data Logging 1. HI 2215 : 16pH / ± 2000 mV/ m 120ºC; 0.1 or 0.01 or 0.001pH / 0.1 or 1mV / 0.1ºC; 0.01pH/ ±0.2 or ± 1 mV/ ± 0.2º C with ATC. Contact Us Enquire Now