WFZ-26A dual-beam ultraviolet-visible spectrophotometer is the latest high-performance new generation ultraviolet-visible spectrophotometer developed by our company, which is at the leading level in China. The instrument is easy to operate, has complete functions, and has high reliability. It can be widely used in the fields of drug inspection, drug analysis, environmental testing, health and anti-epidemic food, chemical industry, scientific research, etc., for qualitative and quantitative analysis of substances. It is a necessary instrument for production, scientific research and teaching.
main feature:
Using CT type grating monochromator system to ensure low stray light of the instrument
Using dynamic feedback proportional photometry to ensure high-precision measurement results
Use high-performance computers for instrument control and data processing
WINDOWS Chinese operation software
Imported photomultiplier tube and deuterium lamp are used to ensure the high performance and reliability of the instrument
Data processing function:
Concentration calculation Spectral storage Baseline correction Spectral smoothing Four operations of spectrum Wavelength correction
Spectral cumulative average Peak detection Spectral differential Peak printing
Performance:
Wavelength range
Wavelength accuracy
Wavelength repeatability
Resolving power
190-900nm
≤ ± 0.3nm
≤0.1nm
0.3nm
Spectral bandwidth
Stray light
Test mode
Scan speed
0.15, 0.3, 0.5, 1.0, 2.0nm
≤0.2% T (220nmNal solution)
(Transmittance, absorbance, energy, method)
(Fast, normal, slow, very slow)
Metering accuracy
scanning method
Abscissa expansion
Ordinate expansion
Transmittance: ± 0.3% T (0.0-100.0% T)
Absorbance: ± 0.002A (0.0-0.5A)
± 0.004A (0.5-1.0A)
Continuous scanning, repeated scanning
Time scan
Any
Any
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