DT-12x integrated displacement transmitters provide accurate radial and axial shaft displacement and vibration monitoring of industrial machines at a fraction of the cost of a normal displacement sensor, according to Brüel & Kjaer Vibro.
Conventional rack based or stand-alone vibration monitors are no longer needed and as the transmitter can be connected directly to a DCS/PLC, the solution is extremely economical.
The DT-12x series are integrated sensors, so the vibration driver (oscillator) and signal conditioning electronics (vibration monitor) are built directly into the sensor. This simplifies installation by eliminating the need and space requirements for a driver, vibration monitor and protective housing. Brüel & Kjaer Vibro has been successfully implementing this technology into the IN-08x displacement sensors for many years now, but now this is available with a direct 4-20mA output
The transmitter is loop-powered, meaning the low powered sensor is easy and inexpensive to install with only a two-wire connection. It provides a 4-20mA signal driven by an inexpensive external DC voltage source on the current loop that – when properly selected – is not affected by long wiring distance, voltage drops or noise.
The transmitter can be connected to a DCS, PLC or any number of other 4-20mA receiving devices such as digital display, data loggers, via the current loop. Two extra wires on the sensor provide a buffered voltage signal output to a portable monitoring system for external data storage and analysis. A two-channel connection module Type AC-2140 is available for use with a loop-fed transmitter which also provides a dynamic signal for test purposes. It allows connection of the transmitter to a programmable logic controller (PLC) or a process line system (PLS). The dynamic signal is made available for analytical purposes over test connections or a BNC socket.
The DT-12x series of displacement transmitters is just one of Brüel & Kjær Vibro’s comprehensive monitoring solutions that comprises all kinds of vibration sensors (acceleration, velocity and displacement), vibration monitors, handhelds and rack-based plant-wide integrated monitoring solutions. These products, plus a suite of services, fulfil the most demanding applications for safety, condition and performance monitoring of rotating machinery. Monitoring in the hydrocarbon processing, conventional power, hydropower and wind power industries is a strategic area of focus.
Based on 60 years of experience and a world-wide sales and support network, Brüel & Kjær Vibro’s monitoring solutions have successfully reduced downtime and maintenance costs and increased machine reliability for customers world-wide.
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