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  • Proucts Nname: Model 721 digital display spectrophotometer
  • Product number: a067
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Model 721 digital display spectrophotometer

Type 721 digital display spectrophotometer is a kind of very practical use, easy, easy for operation, general analysis instrument, it is widely used in metallurgy, machinery, chemical industry, medical and health care, clinical test, biochemistry, environmental protection, food, materials science and other areas of production, teaching and scientific research work, especially suitable for these areas or departments of laboratory for quantitative and qualitative analysis of various substances.

The main technical indicators, instruments and specifications

1, the wavelength range: 350-820 nm

2, wavelength accuracy: + / - 3 nm

3, wavelength repeatability: < 1 nm

4, spectral bandwidth: 5 nm

5, stray light: 1% or less; (T) (at 360 nm)

6, transmittance measurement range: 0-100% (T)

7, absorbance measurement range: 0-1.999 (A)

8 and the concentration of the direct reading scope: 0-2000

9, the accuracy of reading: accuracy of transmittance: 1.5 (T) absorbance or less accuracy: A 0.004 mm or less (0.5 A)

10, the proportion of transmission renaturation: < 0.5% (T)

11, light source: 6 v10w halogen tungsten lamp (long life)

12, dispersion element: plane grating, 1200 lines/mm

13, receiving components: silicon photocell