Digital Potentiometr, Model PM 3001 is a precision instument for potentiometric measurements. Results are diplayed in milli volts on a direct digital readout by 3%digit LED dispaly. It is supplied with a set of 4 electrodes viz. Reference, Platinum, silver & Glass. This is useful for Potentiometeric, ORP and Acid Base Titrations in Chemistry labs. Pharmaceutical industries, Colleges and University Labs etc.