Ss5 Fail Freeze Positioner

• Features:
   
• “Fail Freeze” function to help the valve stay at the last position on the loss of the electrical power supply
• Easy and quick auto-calibration
• Detecting RA (reverse acting) or DA (direct acting) automatically regardless of wrong air connections
• Available to use for single or double acting without any special adjustments
• Compact design allowing to be installed on small actuators
• Providing error messages against performance failures
• Possible to test the actuator with any fixed signal under a test mode
• Programmable characteristic curve with 17 points
• Wide operating temperature range -30 ~ +80℃
• Improved control of high-friction globe and ball valves by eliminating an overshoot and a hunting
• Low air consumption