Product Details: Bently Nevada 990-05-50-02-00 is a two-wire loop powered Vibration Transmitter built with integrated signal conditioning circuit, matched with 3300 NSv proximity probe to realize non-contact shaft vibration and displacement monitoring for rotating machinery. This Shaft Displacement Transducer converts the gap variation between probe tip and rotating metal shaft into standard 4-20mA analog output signal, which can be directly sent to DCS, PLC and other plant control systems, eliminating the need for rack-mounted monitor modules. According to ordering code 990-05-50-02-00, this transmitter has full scale measurement range of 0-5 mils peak to peak, supports total transducer system cable length of 5 meters, and adopts bulkhead screw mounting type without agency certification requirement. The unit is powered by 12~35V DC loop power supply, equipped with zero and span adjustment potentiometers for on-site calibration. Built-in transducer fault detection function can identify probe open circuit, short circuit and connector loose contact, and output specified fault current to trigger system alarm. It also provides buffered raw probe signal for field inspection and troubleshooting. Fully potted internal circuit can resist mechanical vibration, high humidity and dust pollution in industrial environments. Power-up inhibit function prevents false alarms caused by voltage fluctuation during equipment startup. Widely used in power generation, petrochemical and heavy industrial fields, this Two-Wire Loop Powered Transmitter monitors small centrifugal compressors, fans and pumps, tracks rotor vibration change trends at an early stage, protects bearings and rotating parts, and reduces unplanned equipment shutdown.

Core Attributes:

Brand: Bently Nevada

Model: 990-05-50-02-00

Product Type: Two-wire Vibration Transmitter

Measurement Range: 0-5 mils pp (0~125μm pp)

Matched Probe: 3300 NSv proximity probe

System Cable Length: 5 meters

Power Supply: 12 ~ 35V DC, two-wire loop power

Mount: Bulkhead screw mount

Features: Integrated proximitor circuit, 4-20mA analog output, buffered signal output, built-in transducer fault detection, zero & span adjustable, potted circuit construction