Microprocessor Based Electric pH Meter
Digital ph meter (portable) battery operated with combination ph electrode.Digital ph meter 3 ½ digit LCD display with combination ph electrode (tablemodel) AC/Battery operated. Digital ph meter with 3 ½ digit LED display, only ph display auto temperaturecompensations, ph electrode & RTD probe (table model) Deluxe ph meter 3 ½ digit LED display with auto temperature compensations, combination ph electrode & RTD probe (table model).