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T7D UV/VIS Spectrophotometer

Based on the provided document, here are the detailed specifications for the T7D and T7DS UV-Visible Spectrophotometers:

Optical System & Performance

Parameter T7D Specification T7DS Specification
Optical System Dual beam Dual beam
Spectral Bandwidth 2nm (fixed slit) 0.5, 1, 2, 5nm (variable slit)
Wavelength Range 190 ~ 1100nm 190 ~ 1100nm
Wavelength Accuracy $\pm$ 0.3nm (Automatic correction) $\pm$ 0.3nm (Automatic correction)
Wavelength Reproducibility 0.2nm 0.2nm
Stray Light < 0.12%T (220nm, NaI; 340nm, $\text{NaNO}_2$) < 0.12%T (220nm, NaI; 340nm, $\text{NaNO}_2$)

Photometric Performance

  • Photometric Mode: Transmittance, Absorbance, Energy

  • Photometric Range: -0.3 ~ 3Abs

  • Photometric Accuracy:

    • $\pm$ 0.002Abs (0 ~ 0.5A)

    • $\pm$ 0.004Abs (0.5 ~ 1A)

    • $\pm$ 0.3%T (0 ~ 100%T)

  • Photometric Reproducibility:

    • $\pm$ 0.001Abs (0 ~ 0.5A)

    • $\pm$ 0.002Abs (0.5 ~ 1A)

    • $\pm$ 0.15%T (0 ~ 100%T)

  • Baseline Flatness: $\pm$ 0.0015Abs (190 ~ 1100nm)

  • Baseline Stability: 0.0008Abs/h (500nm, 0Abs, 2nm Spectral Bandwidth, 2hr warm-up)

  • Photometric Noise: $\pm$ 0.001Abs (500nm, 0Abs, 2nm Spectral Bandwidth)

Operation & Software

  • Working Mode: MPU Mode / PC Mode

  • Software Support: MPU Software Platform / Spec UV software workstation

  • Core Functions: Photometric measurement, quantitative measurement, spectrum scan, kinetics measurement, and DNA/Protein analysis.

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