CONTROLLER, PNEUMATIC; OUTPUT SIGNAL: 0.2 TO 1KGF/CM2; SUPPLY PRESSURE: 1.4KGF/CM2; MEASURED VARIABLE SCALE: +/-250MM; CONTROL MODE: PROPORTIONAL INTEGRAL; ENCLOSURE: ALUMINIUM; DIMENSION: SCALE DIV:20MM; BELLOWS MATERIAL: PHOSPHOR BRONZE; MANUFACTURER: NAKAKITA SEISAKUSHO CO, JAPAN; SERIAL NUMBER: 87K4136-1(TYPICAL); ADDITIONAL INFO: OR APPROVED EQUIVALENT