IP8000 E/P positioner is more compact than the IP6000 with improved visibility of the pressure indicator. Other features include an improved enclosure protection IP65, interchangeable mounting, excellent shock and vibration performance, and a 1/2 split range available by simple span adjustment. The IP200 cylinder positioner provides accurate and stable positioning of air cylinders. The compact design allows easy installation and maintenance. A span adjuster and zero adjuster are provided for the adjustment of the feed back spring.