DIDAC INTERNATIONAL
Double Beam Spectrophotometer

Double Beam Spectrophotometer

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Double Beam Spectrophotometer

The DIDAC introduces the first Double Beam Spectrophotometer with a variable spectral bandwidth into the range. The highly stable optics and two detectors measure the sample and reference simultaneously optimising measurement accuracy. The Double Beam Spectrophotometer has measurement modes for photometrics, concentration, multi-wavelength, spectrum scanning, kinetics, quantitation, DNA/RNA and protein analysis.

Specification of Double Beam Spectrophotometer

Wavelength range

190 to 1100nm

Wavelength resolution

0.1nm

Wavelength accuracy

± 0.3nm (at 0.5 and 1nm bandwidth) ± 0.5nm (at 2, 4 and 5nm bandwidth)

Wavelength reproducibility

± 0.2nm

Spectral bandwidth

Variable 0.5, 1, 2, 4, 5nm

Photometric range

- 0.3 to 3.0A 0 to 200%T

Photometric accuracy

± 0.002A (0- 0.5A) ± 0.3% T (0- 100%T)

Photometric reproducibility

± 0.001 Abs (0 to 0.5 Abs) ± 0.002 Abs (0.5 to 1.0 Abs) 0.15%T (0- 100%T)

Resolution

0.1%T, 0.001A

Stray light

< 0.05%T at 220 and 360nm

Noise

0.0005A

Stability

± 0.001A/h at 500nm after 15 min warm up