Super User S.T. Sensor - Self Powered Gauge Internally Mounted Sensor The S.T. Sensor from AJD Instruments is an internally mounted self powered contents gauge that is suitable for industrial applications. Fully automatic with no power required, the S.T. sensor tank level contents gauge is simple to install and safe in hazardous environments, with continuous read-outs. This self powered contents gauge for liquid level measurement is suitable for most liquids, including Gas, Diesel, Lub Oils and water and is manufactured from various materials to suit the liquid to be gauged. contact us for more information about the S.T. Sensor - Self Powered Gauge. Specifications: 316 stainless steel and mild steel bodies available Capillary up to 25 metres Sutable for the indusrial market Weatherproof Continuous read-out Accessories: This range of gauges has been developed to accept a pressure transmitter from which a 4-20mA signal can be received (not in hazardous areas) with a bulkhead gland and coupling options as available.