SPG instruments are pressure gauges explicitly designed for local-level indication. While primarily used on cruise ships, they are increasingly being developed for the local indication of water, urea, and diesel levels in the tanks of various other types of vessels. Accurate local level readings
What if you lose the electronic measure? Just use a local gauge! SPG instruments are specific for local level indication. They are mostly used on cruise ships to have a local level indication of water level, urea levels and diesel levels inside the tanks. During inspection