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Hach Company - DU Series 700

Manufactured by  Hach Company
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DU® Series 700 UV/Vis Scanning Spectrophotometer - The Affordable Spectrophotometry Solution for Life Science, Research and Analytical Labs

The DU Series 700 spectrophotometers are advanced and affordable systems that generate accurate and reproducible measurements. The narrow bandwidth allows you to scan your samples with excellent resolution. With its focused-beam design, the system provides optimal and reproducible results for small samples, capabilities usually found only on more expensive systems. The systems have a unique touch-screen user interface with easy-to-use but powerful software. A wide range of applications software is included and makes the DU Series 700 the perfect solution for life science, research and analytical labs.

DU 720 General Purpose

  1. Fixed Wavelength
  2. Wavelength Scan
  3. Kinetics/Time
  4. Single Component Analysis (SCA)

DU 730 Life Science
All DU 720 Modes, plus:

  1. Protein Assay Analysis
  2. Nucleic Acid Analysis
  3. Dye Incorporation (%)
  4. DNA/Protein Tools
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Inconsistent absorbance readings

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Inconsistent absorbance readings
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Features of DU Series 700

Standard Features

  • CSV File Format for Data Transfer
  • USB Ports
  • Spectral Bandwidth of 3.0 nm
  • Touch-Screen User Interface
  • Operator and Sample ID's
  • Wavelength Range from 190 to 1100 nm
  • Focused Beam Design
  • Quick Interchange of Cell Holders & Modules
  • Password Protection with Security List
  • Automatic Lamp Turn-Off

Advanced Features

  • Startup diagnostics and a range of system checks to guarantee that the instrument performs to specifications each day
  • Both the UV and Visible lamps can be turned off automatically and independently to protect lamp life and save cost
  • USB ports for printer, memory device, and keyboard. Data can be transferred to a PC quickly and easily in CSV format (comma-separated values). The CSV format has become the standard import format for spreadsheets and LIMS
  • Temperature control for single samples with the optional Peltier temperature control module, ideal for enzyme samples
  • Built-in transport mechanism for 7-position carousel
  • Password protection with individual access control (security list)
  • With the DNA/Protein Tools (DU 730 only), calculations, common conversions, and lookup tables are at your fingertips
General Specifications
Bandwidth< 3 nm
Depth 19.7 in
Height7.9 in
Width 17.7 in
Power Requirements 100 to 120 V; 200 to 240 V; 50/60 Hz; automatic changeover
Weight34.2 lbs
Wavelength Range190 to 1100 nm
Scanning SpeedDepending on selected resolution (100-4500 nm/min)
Light SourceDeuterium (UV) and Tungsten (visible)
OpticsSingle Beam
Stray Light> 3.3 Ã… or < 0.05%T with KI-solution at 220 nm
Wavelength Resolution 0.1 nm Selectable Interval (0.1, 0.2, 0.5, 1.0, 2.0, and 5.0 nm)
Additional Specifications

Operating Mode: Absorbance and Transmittance (%T)
Wavelength Accuracy: + 1 nm from 200 to 900 nm
Wavelength Calibration: Automatic
Photometric Readout: -0.3 to 3.0 Ã… or 0.1 to 100 %T
Photometric Accuracy: + 0.005 Ã… at 0.0 to 0.5 Ã… 1% at 0.5 to 2.0 Ã…
Photometric Linearity: 2.0 Å
Ports: USB 1.1

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