Fluorometers are used for precise quantitation of biological molecules including nucleic acids and proteins in microliter (μl) samples.
High Quality Quantification, Budget-Friendly Price
Based on the award-winning technology of the DS-11 Series, DS-7 Spectrophotometers offer high quality, full UV-Vis quantification.
DS-7 UV-Vis Spectrophotometer
Excellent Performance, Affordable Price
DS-Series instruments offer a wide choice of model offerings to find the perfect combination of measurement options for your lab’s sample QC. Based on the award-winning DS-11 technology, the DS-7 Spectrophotometer equips budget-conscious labs with high performance 1 µL UV-Vis and optional cuvette absorbance.
Multiple Mode Options
1 µL UV-Vis and Optional Cuvette Absorbance; Measurement Range: 2 – 15,000 ng/µL (dsDNA)
Powerful EasyApps™ Software
Easy-to-use, intuitive software designed by life scientists, for life scientists.
Maintenance-Free Design
No recalibration required for the life of the instrument.
Feature Comparison: DS-7 vs. DS-11
Compare the DS-7 Spectrophotometer to the DS-11 Series Spectrophotometer / Fluorometer to determine which model fits your lab’s needs.
 DS-7 |  DS-11 FX+ |
|
|---|---|---|
| 1 µL UV-Vis Samples | ✅ | ✅ |
| Cuvette Absorbance | ✅ | ✅ |
| Fluorescence | Upgrade Required* | ✅ |
| 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 |
| SmartPath™ Technology | ✅ | ✅ |
| 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 | 1 nm | 0.14 nm |
| Absorbance Precision | 0.04 AU (1 cm) or 2%, whichever is greater | 0.015 AU (1 cm) or 1%, whichever is greater |
| Absorbance Accuracy | 2% at 0.75 AU at 260 nm | 1.5% at 0.75 AU at 260 nm |
| Color Options | Arctic White, Brazilian Blue, Fire Red, Tungsten Silver | Arctic White, Brazilian Blue, Fire Red, Tungsten Silver |
| 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 | ✅ | ✅ |
| AutoRun | - | ✅ |
| Warranty | 2 years | 2 years |
*Contact DeNovix or your local distributor to upgrade to fluorescence.
A Splash of Color in Your Lab
All DS-Series models are available in four colors: Brazilian Blue, Arctic White, Tungsten Silver, and Fire Red.
21 CFR Part 11 Compliance Ready
EasyApps Secure provides an optional suite of software controls that allow regulated GxP facilities to easily add DS-7 instruments to their compliant workflows (view the compliance statement). The software is fully integrated within the onboard operating system and includes a range of features essential to ensuring compliance, including:
- Password protected system access
- Integrated electronic signature controls
- Comprehensive user account management
- Secure audit trail recording
- Advanced data handling and export tools
Resources
Whether you're curious about optimizing sample prep or LED selection, check out this resource on the best practices for fluorescence measurement.
Absorbance and fluorescence are unique but complementary methods for assessing concentration and sample QC. Download this free infographic.
