Allen Bradley 1441-PEN25-NA Enpac 2500 Data Collector without Accessories, Ch1 Tri-axial ICP/AC/DC, Ch2 Single ICP/AC/DC, Input Signal Types: Accelerometers, Velocity Transducers, Displacement Probes, Photo-optical Pickups, Tri-axial Transducers, Accel/Velocity Transducers, AC/DC Volts