Technical Specification: Wavelength Scope: 340nm-900nm 340, 405, 510, 546, 578, 630nm(filters can be added or selected according to user"s need) Wavelength Precision: +/-1nm Light path: 1cm Light Source: Halogen tungsten lamp 12V, 20W Linear Range: 0~2.5Abs Repeatability: <0.5% (absorbency) Resolution: 0.0001Abs Cross contamination: <1% Stray light: <0.5% Stability: The fluctuation of absorbance within 20 minutes is not more than 0.01Abs. Cell: 32ul, stainless, flow cell Temperature Control: Peltier Temperature: Ambient temperature, 25 oC, 30 oC, 37 oC(+/-1 oC) Method: End point, double wavelength, two points, kinetic method Display: 5.7 inches color LCD Test item: Store up to 130 opened test items. Storage: 1000 testing results. Printer: High precision, dot matrix, thermal printer (Paper width: 110mm), or EPSON stylus printer. Output: RS232C port Power: 110V. 50Hz, 220V. 60Hz Weight: 12kg Dimension: 515(w)X448(D)X180(H)mm