The Gems 1703 low range submersible hydrostatic level / pressure sensor is ideal for level measurement in water and fuel oil tanks. Featuring a s/s diaphragm and case the 1703 is immersible to IP68 10m. The unit can be fitted either externally using a G¼ thread or lowered directly into the media and offers a cost effective solution to level measurement in fuel tanks for generators in remote areas or on standby.