Hach Company - DU 800 Series

Manufactured by  Hach Company
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DU 800 UV/Visible Spectrophotometer

The DU 800 Spectrophotometer is a PC controlled system intended for use in quantitative and qualitative analysis in biological and industrial procedures that require spectrophotometric measurements in the UV and visible region of the electromagnetic spectrum. If the instrument is used in a manner other than as described, the safety and performance of the instrument can be impaired.

The DU 800 Spectrophotometer operates in the wavelength range of 190 to 1100 nm and has a bandwidth of <= 1.8 nm. The focused micro-beam design provides a wide linear range and other specific benefits for small volumes and precious samples. Various accessories are available to address micro-volume samples and individual application requirements.
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Features of DU 800 Series
  • Single Component Analysis
  • Kinetics/time
  • Nucleic Acid Analysis
  • RediScan™ and RediRead™
  • FixedWavelength Analysis (up to 12 wavelengths)
  • Performance Validation
  • Wavelength Scan II (peak/valley picker, point picker, derivatives, netA calculations, scatter correction and spectra in LogA)
  • 21 CFR Part 11 Compliance
General Specifications
Bandwidth1.8 nm (from 200 to 680 nm)
Depth 10 in
Height21 in
Width 27 in
Power Requirements 110 - 240V, 50/60 Hz, 200 W
Weight81 lbs
Wavelength Range190 to 1100 nm
Scanning Speed120, 240, 600, 1200, 2400 nm/min
OpticsSingle Beam
Photometric Noise< 0.0002A RMS (at 0A, average of 10 standard deviations of 10 readings at 0.05 sec intervals, at 500 nm
Stray Light(measured using NaI at 220nm, per ASTM E387-84): < 0.05%T
Additional Specifications

Wavelength Setability: 0.1 nm Increments
Wavelength Accuracy: Full Range + 0.5 nm
Wavelength Repeatability: Full Range + 0.2 nm
Photometric Readout: -0.300 to 3.000A or 0.0 to 200%T
Photometric Accuracy: + 0.005A (at 1A with NIST 930D solid filter at 546 nm)
Stability: < 0.003A/hr (0A, constant ambient conditions, measured for one hour at 340 nm after one hour warmup)
RMS Baseline Flatness: + 0.001A RMS (from 200 to 900 nm, at 0 A)

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