TQ412 111-412-000-013 A1-B1-E010-F0-G000-H05

The TQ412 111-412-000-013 form a proximity measurement system. This proximity measurement system allows contactless measurement of the relative displacement of moving machine elements.

TQ4xx-based proximity measurement systems are particularly suitable for measuring the relative vibration and axial position of rotating machine shafts, such as those found in steam, gas and hydraulic turbines, as well as in alternators, turbocompressors and pumps.

The system is based around a TQ402 or TQ412 non-contact sensor and an IQS900 signal conditioner. Together, these form a calibrated proximity measurement system in which each component is interchangeable. The system outputs a voltage or a current proportional to the distance between the transducer tip and the target, such as a machine shaft. The active part of the transducer is a coil of wire that is moulded inside the tip of the device, made of Torlon® (polyamide-imide). The transducer body is made of stainless steel. The target material must, in all cases, be metallic.

The transducer body is available with metric or imperial thread. The TQ412 version is intended for reverse-mount applications. Both the TQ402 and TQ412 have an integral coaxial cable, terminated with a self-locking miniature coaxial connector. Various cable lengths (integral and extension) can be ordered

Heavy-duty gas turbine: Siemens SGT5-4000F

 

Combustion and vibration monitoring

 

The SGT5-4000F (V94.3A) dry low-NOX gas turbine (GT) is one of the most powerful in operation, designed for large-scale applications with more than 280 MW ISO output. Meggitt is the exclusive supplier of protection and monitoring equipment for this GT, Siemens' proven workhorse, with more than three hundred units in operation worldwide.

One of the major industrial challenges with heavy-duty GTs is to combine the highest possible efficiency with extremely low NOX emissions and low combustion temperatures. Measuring the dynamic pressure at different locations in the combustor is a proven way to control combustion. Thus, pulsation monitoring systems are essential during both tuning and operation.

The sensors and monitoring equipment provided by brand allow Siemens to control combustion parameters such as fuel injection, which leads to extremely low emissions, reduced fuel consumption and long intervals between major inspections. Our sensing and monitoring systems on the SGT5-4000F include extreme temperature dynamic pressure sensors (CP 216), high sensitivity piezoelectric accelerometers (CA 201 and CA 901) and protection and monitoring systems.

Vibrating sensor,Acceleration sensor, Eddy-current transducer,Monitor system module,Gateway communication module.

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