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NV20 Series Spectrophotometer 

  产品分类 : 攝影及光學產品->顯微鏡->顯微鏡

     
NV20 Series Spectrophotometer
 
         

 

 

  产品描述
   
  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




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.


Specifications:
Model NV201 NV202 NV203

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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