The GE / Bently Nevada 3500/45 Position Monitor has 4-channels which can accept inputs from proximity transducers, Rotary Position Transducers (RPTs), DC Linear Variable Differential Transformers (DC LVDTs), AC Linear Variable Differential Transformers (AC LVDTs), and rotary potentiometers. The primary purposes of this monitor is to protect your machinery by continuously comparing monitored parameters against configured alarm setpoints to drive alarms and to gather essential machine information for both operations and maintainence.