Based on the DeNovix award-winning DS-11 technology, the DS-7 spectrophotometer offers high performance 1 µL UV-Vis absorbance at a budget-friendly price. The DS-7+ model also enables cuvette-based measurements for low concentration samples and basic absorbance kinetic studies. This compact, user-friendly and maintenance-free instrument delivers full spectrum UV-Vis analysis, making it ideal for rapid nucleic acid and protein quantification on a budget.
Benefits
- Cost-effective solution

- Fast – sample analysis in 8 seconds
- EasyApps™ software – intuitive user interface
- Maintenance free – no recalibration required
- Small input volume
- Compact and stand-alone design, no computer needed
Applications
- Nucleic acid quantification
- Protein quantification
- OD600 and basic absorbance kinetics studies (DS-7+)
| Feature comparison | DS-7 | DS-11 |
|---|---|---|
| Measurement range | dsDNA: 2 - 15,000 ng/µL BSA: 0.1 - 450 mg/mL | dsDNA: 0.75 - 37,500 ng/µL BSA: 0.04 - 1,125 mg/mL |
| Cuvette option | Yes | Yes |
| Fluorescence option | No | Yes |
| SmartPath™ technology | Yes | Yes |
| Contamination detection | Purity Ratios | Purity Ratios with Contamination Alerts |
| Data export | USB, Label Printers | USB, Email, Network Folders, Network Printers, Label Printers |
| Display | 7” HD Color Touchscreen | 7” HD Color Touchscreen |
| Measurement speed | 8 seconds | 2 seconds |
| Wavelength range | 190 - 840 | 190 - 840 |
| Wavelength precision | 1nm | 0.14nm |
| Absorbance precision | 0.04 AU (1 cm) or 2%, whichever is greater | 0.015 AU (1 cm) or 2%, whichever is greater |
| Absorbance accuracy | 2% at 0.75 AU at 260 nm | 1.5% at 0.75 AU at 260 nm |
| Pathlength range | 0.5 mm (Auto Ranging to 0.04 mm) | 0.5 mm (Auto Ranging to 0.02 mm) |
| Optional 21 CFR Part 11 compliance | Yes | Yes |
| AutoRun | No | Yes |
| Warranty | 2 years | 2 years |
Table 1. Feature comparison between the DS-7 and DS-11 spectrophotometers
Organise a DS-7 demonstration
To organise a free demonstration or to find out more, please contact our instrument specialists.
Materials available for download
DS-7 UV-Vis Spectrophotometer brochure
DS-7 UV-Vis Spectrophotometer user guide
Products
Note: product availability depends on country - see product detail page.
| Details | Cat number & supplier | Size | Price |
| DS-7 Brazilian Blue I-20310 · DeNovix | I-20310 DeNovix |
1 unit |
POA
1 unit
view
|
| DS-7 Fire Red I-20320 · DeNovix | I-20320 DeNovix |
1 unit |
POA
1 unit
view
|
| DS-7 Tungsten Silver I-20330 · DeNovix | I-20330 DeNovix |
1 unit |
POA
1 unit
view
|
| DS-7 Arctic White I-20340 · DeNovix | I-20340 DeNovix |
1 unit |
POA
1 unit
view
|
| DS-7+ Brazilian Blue I-20350 · DeNovix | I-20350 DeNovix |
1 unit |
POA
1 unit
view
|
| DS-7+ Fire Red I-20360 · DeNovix | I-20360 DeNovix |
1 unit |
POA
1 unit
view
|
| DS-7+ Tungsten Silver I-20370 · DeNovix | I-20370 DeNovix |
1 unit |
POA
1 unit
view
|
| DS-7+ Arctic White I-20380 · DeNovix | I-20380 DeNovix |
1 unit |
POA
1 unit
view
|
