Product Details : The VIS-7220G/UV-9200 is an intelligent UV/Visible spectrophotometer that is well suited to the qualitative and quantitative analyses required by today's laboratories. With its wide wavelength range and narrow bandwidth, the instrument provides extraordinary flexibility and high resolution at an exceptional price. Features:* Microprocessor control, 16x2 LCD display. * Auto zero and auto 100%T adjustment provided. * Calibration curve can be set up by either measuring or entering up to 10 standards or entering K and B factors directly via the keyboard. * Parameters can be saved for later use. * Up to 10 calibration curves can be stored and edited for user's convenience. * Data can be printed on an optional desktop printer and can be downloaded to a PC through RS-232. * PC control provided for more accurate and flexible measurement requirements (optional). * Auto-wavelength control (optional).