PTQ Q3 2024 Issue

consider optional solutions that could help maximise safety in radio protection. Wireless communication, through the Bluetooth stan- dard, available in the electronic solution Vega Plics, repre- sents a further possibility to manage the detector located almost 20m from the source. The option to choose the type of detector provides a balance in maximising simplicity with concrete technical requirements. For several years, the scin- tillation detector has been the reference model for industrial measurements, which can be provided in a mechanically The rigid receptor with polyvinyl toluene (PVT) scintillator is highly sensitive. However, the flexible detector made in styrene, working according to the principle of optical fibres, allows great advantages, although physically slightly less • Low weight, which facilitates transport and installation • The diameter is approximately half of a rigid receptor. The advantage of having a diameter of almost half of the rigid detector is to centre it in a narrow energy bundle, mak- ing it intercept the energy at its maximum power. This way, the opening can be minimised on the horizontal plane of the energy beam coming from the source. For example, in the case of a fourth-stage cyclone with a diameter of only 1.5m, the energy beam on the detector (on the horizontal plane) is less than 15cm in width. The rigid or flexible version. Detector sensitivity sensitive. Other advantages include: • Being able to follow the tank profile

Fibertrac 31 instrument, with a diameter of only 4.5cm, can be placed in the very centre of this beam. With optical fibre technology, the energy arrives at a point propagated along the entire length of the fibre. The distribution of energy is thus very uniform, manag- ing to optimise the primary task of a receptor, which is to block the radiation and manage to transform maximum incident radiation in the electrical signal. This is useful for generating an output that represents the level reading. The theoretically lower sensitivity of the scintillator in styrene fibres compared to that in PVT is thus compensated by the concrete benefits that these fibres offer. In the fourth-stage cyclone (see Figure 1 ), as in other classic refinery applications, redundancy of measurements is often required. Installing two Fibertrac 31s (see Figure 2 ), one beside the other, requires only 9in of space. Receptors can be huddled together without any interference in read- ing, each sending a signal to a different system. Therefore, on the horizontal plane, the area where the useful energy is needed can be optimally minimised. These receptors can be easily installed side-by-side in the perfect centre of the energy beam. These technical precautions are why Vega has succeeded in meeting the maximum demand for radio protection, precision, and measurement accuracy while also containing transport costs and installation. Marco Tescari Project Specialist – EPC, Oil & Gas, Chemical Key Customers VEGA Contact: m.tescari@vega.com

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PTQ Q3 2024