NV20 Series Spectrophotometer

NV20 Series spectrophotometers with wavelength range 335-1000nm are widely used in biochemistry, petrochemistry, environment protection, education, medical and sanitary examination, etc. for qualitative and quantitative analyzing of various substance. Among the instruments, the NV201 is an ideal instrument for education.   NV201/NV202 NV203(new) Features: Wide spectrum range, the entire numerical displays of wavelength and readings of measurement. The precise holographic grating. Low stray light. Auto "0%T" and "100%T". All models equip RS232C port. Optimum design of electrocircuit. Small volume, fine sculpt and convenient . Setting of concentration factor and direct reading of concentration, the function of direct reading of concentration. The sample chamber obturated wholly for operating. The model NV203 comes with four sample-room, it is easy to change the substance. Features:Specifications: Model NV201 NV202 NV203 (new) Optical system Single beam of light, C-T, 1200 line/mm holographic grating Spectral bandwidth 10nm 6nm 4nm Wavelength range 335-1000nm Wavelength accuracy +2nm Wavelength repeatability 1nm Stray light 0.2%T( 360nm , NaNO2) or less Absorption range -0.3~2.5A Photometric accuracy +1.0%T Photometric repeatability 0.3%T LED Display Transmittance, Absorbance, Concentration, Wavelength RS232C Detector Silicon photo-diode Light source Halogen Tungsten Lamp Power 110/220V +10% 60/50HZ Dimension 385mm * 310mm * 190mm Net weight 5.5kg or less Sample-room 1 4

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