The “All-in-one” marine calibration test case will meet any application for temperature-, pressure-, and electrical calibration onboard equip the case according to your needs and budget, and have necessary calibrated test equipment required by IMO/SOLAS ready when needed. A completely family of the tools for maintenance of the following control instrumentations ; Main and auxiliary engines, Propulsion, Main and auxiliary boilers, Hydraulic plant, Sea water cooling, Refrigeration plant, Fresh water systems, Heads and bathrooms, Ballast and bilge pumps, Cargo holds, and so on.