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NV20 Series Spectrophotometer:1)The precise holographic grating2)Low stray light
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. |
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 | |
NV20 Series Spectrophotometer