Electronics India 681 Digital Photo Fluorometer | High Sensitivity Fluorophors Analysis
EI-DVI
₹92,630.00
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EI-DVI
Electronics India 681 Digital Photo Fluorometer | High Sensitivity Fluorophors Analysis
Model 681 Digital Photo Fluorometer
The Model 681 Digital Photo Fluorometer is a high-sensitivity analytical instrument designed for precise detection and quantification of fluorescent compounds including vitamins, quinine, steroids, fluorescein, and metal complexes. Built for laboratory, pharmaceutical, and research applications, it delivers superior performance based on advanced fluorescence spectroscopy principles.
Utilizing a 90-degree detection geometry, the instrument minimizes excitation light interference and maximizes signal clarity. This results in highly accurate and reproducible fluorescence measurements, making it ideal for trace-level analysis.
With adjustable sensitivity ranges, dual filter system, and wide spectral coverage, the Model 681 offers exceptional flexibility and analytical precision across diverse applications including clinical diagnostics, environmental monitoring, and quality control.
✔ Ideal for: Laboratories, Pharma QC, Environmental Testing, Academic Research
Technical Specifications
| Feature | Details |
|---|---|
| Model | 681 Digital Photo Fluorometer |
| Display | 3-digit bright red LED |
| Excitation Source | 12V, 50W Tungsten Halogen Lamp |
| Detection Geometry | 90° Measurement Angle |
| Detector | Photodiode / Photocell |
| Spectral Range | Entire Visible Spectrum |
| Primary Filters | Corning 5840, 5113 |
| Secondary Filters | Corning 4308, 3486, 3385 |
| Sensitivity | 1 ppm Quinine Sulphate Detection |
| Sensitivity Range | 4 Adjustable Ranges |
| Sample Volume | Minimum 4 ml |
| Sample Holder | 15 mm Test Tubes |
| Dimensions | 260 × 335 × 160 mm |
| Weight | 4.5 kg |
| Power Supply | 230V AC, 50 Hz |
Core Features & Benefits
- High Sensitivity Detection: Detects fluorophores at ppm levels, ensuring precise trace analysis.
- 90° Optical Geometry: Reduces background interference and improves signal accuracy.
- Wide Spectral Coverage: Suitable for diverse fluorescent compounds across visible range.
- Dual Filter System: Enhances selectivity and measurement specificity.
- Adjustable Sensitivity: Four ranges for flexible analytical applications.
- Minimal Sample Requirement: Requires only 4 ml sample, reducing reagent consumption.
- Compact & Durable Design: Ideal for laboratories with limited bench space.
FAQs
What is a digital photo fluorometer used for?
A digital photo fluorometer is used for detecting and measuring fluorescent compounds such as vitamins, quinine, and metal complexes. It provides highly sensitive quantitative analysis by measuring emitted light intensity, making it ideal for laboratory research, pharmaceutical testing, and environmental monitoring applications.
How does the 90-degree detection geometry improve accuracy?
The 90-degree detection geometry minimizes interference from excitation light by measuring fluorescence at a right angle. This significantly improves signal clarity and sensitivity, resulting in more accurate and reproducible measurements compared to traditional optical configurations.
What compounds can be analyzed using the Model 681 fluorometer?
The Model 681 can analyze a wide range of fluorophores including vitamins (B1, B2), quinine, steroids, fluorescein, and metal complexes. Its wide spectral coverage makes it suitable for clinical, pharmaceutical, and environmental testing applications.
What is the sensitivity of the Model 681 fluorometer?
The instrument achieves high sensitivity, capable of detecting as low as 1 ppm quinine sulphate. This allows accurate trace-level analysis, making it significantly more sensitive than conventional colorimetric methods.
What are the advantages of fluorescence spectroscopy over colorimetry?
Fluorescence spectroscopy offers 10 to 1000 times higher sensitivity compared to colorimetry. It allows detection of very low concentrations, improved specificity using filters, and reduced interference, making it ideal for advanced analytical applications.
