MAGNETIC LEVEL GAUGES
- Magnetic level gauge indicates the level of fluid inside a tank by using the magnetic properties of its elements.
- A by-pass (which mainly consists of a tube longer than the fluid range) is connected to the tank containing the fluid whose level is to be measured.
- A float containing a magnet moves up and down the tube, and its position determines the tank fluid level (the level is clearly indicated by red and white markers).
- Variation in fluid level causes the float to move and the float magnet then makes the roller display (which also contains a magnet) rotate.
- Red markers are normally shown in the part of the tank holding the fluid and white markers in the part containing the gas/steam.
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They are particularly recommended
- In cases where a particularly accurate fluid level reading is not necessary
- In cases where the maximum pressure and temperature values exceed those listed in the technical specifications of the glasses
- If remote readings have to be taken (e.g. if the level gauge is positioned above or a considerable distance away from the observer's position
- If continuous readings using a remote gauge situated some distance away from the system are necessary
- If one or more signals (i.e. alarm signals) are required to indicate various tank liquid levels
- If the centre-to-centre distance exceeds 3 metres