Used SMC ITV2030-01F2BN3, 1/4-Inch NPT, 4~20MADC, 0,05~5BAR, Electro-Pneumatic Regulator
ITV1000/2000/3000
SMC ITV2030-31N2BL4 ROHS Compliant, Ambient Temperature 0 C - +50 C, 1500L/MIN, Port Size 1/4" NPT, Regulator, Thread Type NPT, RED LED Display, 1-5VDC Out, Electro-Pneumatic Regulator: Industrial Air Cylinder Accessories: Amazon.com:
SMC ITV2030-042BL3 Electro-Pneumatic Regulator 0.05~5 bar | eBay