A measuring unit to note all important tank conditions for compliance with SOLAS and MARPOL regulations. This device will measure tank conditions such as the cargo level, the oil – water interface level, the temperature, and a dry check to determine the level of water at the tank bottom. The gauge is explosion proof and portable weighing only 4.3 kgs. It has a measuring range of 0 – 30/35 mtr for ullage and a 0 – 100oC temperature range. It is powered with a 2.4 V rechargeable battery and can be provided with optional gas and oil sampling units. Equipped with a vapor seal valve necessary for compliance with USCG regulations for Marine Vapor Control. Allows you to take samples from tanks that are closed and pressurized. Accessories included: Carrying bag, Sink weight, Dry check adaptor, D.C. charger. Optional equipment: Digital thermometer, Gas sampling unit, Oil sampling unit