Flexibility, low maintenance and low installation costs are among the benefits of the EXA PH202 pH transmitter. Designed to meet the exacting requirements of measuring pH and ORP in the modern industrial environment, it contains many features to ensure peak precision whatever the application. This 2-wire (loop powered) transmitter is housed in a robust IP65 field mountable case. The need for expensive cabling is minimized, and an IS version is available for hazardous area duty.