Bently Nevada 991-25-50-01-00 Thrust Transmitter
Bently Nevada Product Number 991-25-50-01-00 991 Thrust Transmitter: The 991 Thrust Transmitter is a 2-wire, loop-powered device that measures axial displacement (thrust) and provides a 4 to 20 mA signal proportional to the measurement. It is designed for use on centrifugal air compressors or small pumps, motors, or fans. The transmitter accepts input from a Bently Nevada 3300 NSv* proximity probe and its matching extension cable (available in 5 m and 7 m system length options). The 991 Thrust Transmitter is intended primarily for original equipment manufacturers (OEMs) who prefer to provide a simple 4 to 20 mA thrust signal as input to their machinery control system. The transmitter conditions the signal into appropriate engineering units proportional to the shaft's axial position and provides it as a 4 to 20 mA industry-standard signal for input to the control system where machinery protection alarming and logic occurs.