TRIS-LED is a surgical lamp with excellent operating versatility. The dome is reduced in size, the focus and the light field can be manually adjusted by turning the central sterilisable handle. This function allows to optimize the light flux and adapt the light field diameter according to the different surgeries. Light intensity at 1 m distance (Ec) Light head diameter Color temperature Color rendering index (CRI) Diameter adjustment d10 light field diameter where illuminance reached 10% of Ec Light field diameter adjustable from-to Depth of illumination IEC 60601-2-41 (L1+L2) at 60% Depth of illumination IEC 60601-2-41 (L1+L2) at 20% Total radiated energy Ee where the illuminance reaches max level Ratio between radiated energy Ee and illuminance Ec Average led life Control of the illuminance Electrical absorption Directive 93/42/EEC (main directive and further amendments) - Norm IEC 60601-2-