The objective of the procurement is to procure 1 Osmometer for Sørlandet Hospital Kristiansand (SSK). The instrument must be automatic, with the possibility for continual onboard loading of samples. The instrument shall be a bench model and shall be used for checking freezer points/osmolality for biological sample material. The Osmometer shall use technology based on freezing point depression for clinical osmolality measurement and use 3 point calibration. The procurement also includes a framework agreement for Instrument dependent consumables. The following options shall be included in the procurement: • 3 Osmometers for Helse Sør-Øst within 4 years from signing of the contract. Equivalent instrument to SSK, of which 1 to Sørlandet Hospital Arendal (SSA) and 2 to Helse Sør-Øst• 1 Osmometer for Sørlandet Hospital Flekkefjord (SSF) within four years from contract signing. Smaller instrument model is requested. The instrument for individual sample analysis will cover the need.• Service and maintenance contract after the guarantee period has ended for all the offered equipment, as long as the equipment is in use• A service course on the offered equipment.