Check the listing for details. UV Vis Spectrophotometer for Basic Transmission Measurement Spectrophotometer. Condition: New. Listed at 309.37 USD. Product Description 721N 722N 752n laboratory uv vis spectrophotometer This series is a simple single beam spectrophotometer. The wavelength is set manually from the dial on the front panel. Direct readout of transmission or absorption on the LED display. Measured values can be transferred to PC via RS232 port for further analysis. Low price and simple design make the model ideal tool for education or routine analysis. Model UV1000(721N) UV1100(722N) UV1100(752N) Optical System Single Beam, Grating 1200 lines/mm Wavelength Range 340-1020 nm 320-1020 nm 195-1020 nm Spectral Bandwidth 6 nm 5 nm 5 nm Wavelength Accuracy ±3 nm ±2nm ±2nm Wavelength Repeatability 1nm Photometric Accuracy ±1%T ±0.5%T ±0.5%T Photometric Repeatability 0.5%T 0.2%T 0.2%T Photometric Range 0-200%T, -0.3A~3A Stray light 0.5%T 0.3%T 0.3%T Stability 0.004 A 0.002A 0.002A Baseline Flatness ±0.002A Noise ±0.001 A Wavelength Setting Auto Work Mode T, A, C Light Source Tungsten lamp Tungsten lamp Deuterium &Tungsten lamp Display 4 inch LCD Detector Silicon Photodiode Output RS232 port/Printer port(optional) Power AC 220V/50Hz or AC 110V/60Hz Shipping Size 520*450*320mm/10kg 520*450*320mm/10kg 520*450*320mm/12kg