Range 190 To 1100Nm Resolution 01 Nm Spectral Band Width 1 Nm Accuracy 03 Nm Repeatability 02 Nm Photometric Range T 0 To 200 03 To 30 A 0 To 999C Accuracy 0001 AH Stray Light 005 T 220 Nm 360 Nm Data Readout 6 Lcd Key Board 4 Keys Soft Touch Membrane Type Serial Interface Usb Light Source A Tungsten Halogen Lamp B Deuterium Lamp D2 Detector Selecon Photo Load Readability 1 Count Printer Interface Printer Interface For Any Centronics Dot Matrix Printer Optics Complete Mirror Optics With Resolution 1200 GroovesMM GRATING Power 230V 10 Ac 50 Hz