Milwaukee-based GLI International Inc. introduces the PRO Series line of full-featured, easy-to-use transmitters designed with the cost conscious user in mind. These transmitters measure pH, ORP, contacting and electrodeless conductivity, dissolved oxygen or flow measurement parameters. All PRO Series transmitters feature panel, wall, pipe or integral sensor mount configurations in a compact NEMA 4X package. Multiple languages with simple menu-guided operation are also standard.