The SMC ITV3051-21N4S4 is part of the ITV1000/2000/3000 Series Electro-pneumatic Regulators, designed for precise and stepless control of air pressure in response to electric signals. This regulator boasts a sensitivity of 0.2 kPa for the 100 kPa specification, ensuring accurate performance. It maintains a linearity of ±1% or less (Full Scale) and a hysteresis of 0.5% or less (Full Scale), providing reliable and consistent operation. For seamless integration into various systems, it supports multiple communication protocols including CC-Link, DeviceNetTM, PROFIBUS DP, and RS-232C. Ideal for applications requiring precise air pressure control, this regulator is a versatile and efficient solution.