PHOTOMETRIC SYSTEM: --Light source: 20W long-life halogen lamp --Filter wheel: automatic --Filters: 340,405,492,510,546,578,620nm THERMOSTATIC CONTROL: --Temperature: 25,30,37, peltier elements --Precision: +0.2 FLOW SYSTEM: --Flow-cell volume: 32 uL --Sampling volume: 500 uL --Carry over: lower than 1% MEASURING SYSTEM: --Reset: automatic --Measuring range: 0 to –2.500 O.D --Photometric linearity: 2% from 0 to 2,000 O.D --Photometric accuracy: 2% from 0 to 2,000 O.D --Drift: lower than 0.005 O.D. per hour DATA DISPLAY AND PROGRAMMING: --Display: alpha-numeric back-illuminated liquid crystal --Continuous memory: 200 methods Printer: Built-in thermal printer. Serial output: RS-232 standard Power supply: 220V, 50Hz; 110V, 60Hz; 160VA Dimensions: 18*33*34cm; 8.5Kg Fully Auto Chemistry is available