Model 3371 UV-VIS Spectrophotometer Single Beam – High Accuracy Microprocessor-Based Spectral Analysis System
The Model 3371 UV-VIS Spectrophotometer Single Beam is a highly precise microcontroller-based laboratory instrument engineered for rapid and dependable spectrophotometric analysis across a wide UV and visible wavelength range. Designed using advanced optical engineering and modern solid-state microprocessor technology, this single beam UV-VIS spectrophotometer delivers excellent analytical accuracy, photometric stability, and repeatable measurement performance for routine and research laboratory applications.
Manufactured for professional analytical laboratories, pharmaceutical industries, educational institutions, chemical testing facilities, environmental laboratories, and industrial quality control departments, the Model 3371 combines reliable optical performance with user-friendly operation. The instrument features a high-performance CT grating monochromator optical system equipped with a precision 1200 lines/mm grating element that enhances wavelength accuracy, improves spectral resolution, and minimizes optical interference.
The spectrophotometer operates efficiently across a broad wavelength range of 200nm to 1020nm, supporting comprehensive UV and visible spectrum analysis for absorbance, transmittance, and concentration measurements. Its advanced photometric system ensures highly stable operation with exceptional reproducibility, making it suitable for chemical analysis, pharmaceutical testing, water quality monitoring, food analysis, biological studies, and academic laboratory experiments.
The Model 3371 incorporates several intelligent automation features including automatic 0% and 100% transmission adjustment, automatic zero setting, and precise microprocessor-controlled work pattern selection for Transmittance (T), Absorbance (A), and Concentration (C) analysis modes. The integrated 4-digit LCD display provides clear real-time measurement visibility with simplified operation for laboratory personnel.
Designed for flexible sample handling, the instrument includes a supplied 4-position cell changer compatible with standard 10mm cuvettes while the large sample compartment accommodates cuvettes ranging from 10mm to 50mm path length. Its stable optical system, rugged construction, and high analytical precision make the Model 3371 UV-VIS Spectrophotometer an ideal solution for laboratories requiring accurate, reliable, and cost-effective UV-visible spectroscopic analysis.
Technical Specifications
| Feature | Details |
|---|---|
| Model | 3371 |
| Brand | EI-DVI / ESICO International |
| Instrument Type | Single Beam Digital UV-VIS Spectrophotometer |
| Optical System | CT Grating Monochromator |
| Grating Performance | 1200 lines/mm High Performance Element |
| Wavelength Range | 200nm – 1020nm |
| Spectral Bandwidth | 5nm |
| Wavelength Accuracy | ±2nm |
| Wavelength Repeatability | <1nm |
| Photometric Accuracy | ±0.5%T or 0.003A @ 1A |
| Photometric Repeatability | 0.2%T |
| Stray Light | ±0.3%T @220nm |
| Stability | ±0.001A/h |
| Display Type | 4 Digit LCD Display |
| Display Area | 0–200%T, -0.000 to 1.999A |
| Measurement Modes | Transmittance (T), Absorbance (A), Concentration (C) |
| Zero Setting | Automatic |
| Sample Compartment | Large compartment for 10mm–50mm path-length cuvettes |
| Cell Changer | 4 Position Cell Changer for 10mm Cuvettes |
| Applications | Pharmaceutical Analysis, Chemical Testing, Water Analysis, Food Testing, Research Laboratories, Educational Institutions |
| Approximate Weight | 12 Kg |
Core Features & User Benefits
- Wide UV-VIS Wavelength Coverage The 200nm–1020nm operating range enables versatile UV and visible spectral analysis for pharmaceutical, chemical, biological, and environmental testing applications.
- High Performance CT Grating Monochromator Advanced optical monochromator technology with 1200 lines/mm improves wavelength precision, optical stability, and analytical accuracy.
- Microprocessor Controlled Operation The solid-state microcontroller system enhances reproducibility, operational reliability, and measurement consistency during laboratory analysis.
- Automatic Transmission Calibration Automatic 0% and 100% transmission adjustment simplifies operation while reducing manual calibration errors.
- Multiple Analytical Modes Supports Transmittance, Absorbance, and Concentration analysis for flexible laboratory workflows and quantitative testing procedures.
- Exceptional Photometric Stability High stability rating of ±0.001A/h ensures dependable long-duration analytical measurements with minimal drift.
- Flexible Sample Accommodation The large sample compartment supports cuvettes ranging from 10mm to 50mm path lengths for expanded application versatility.
- Integrated 4 Position Cell Changer Improves sample handling efficiency and increases productivity during multi-sample testing workflows.
- Clear Digital LCD Display The 4-digit LCD interface provides easy readability of absorbance, transmittance, and concentration results for convenient laboratory operation.
Frequently Asked Questions (FAQ)
What is the Model 3371 UV-VIS Spectrophotometer used for?
The Model 3371 UV-VIS Spectrophotometer is designed for accurate spectrophotometric analysis including absorbance, transmittance, and concentration measurements in pharmaceutical, chemical, food, environmental, and research laboratories.
It is commonly used for quantitative analysis, water testing, pharmaceutical formulation analysis, chemical concentration determination, and educational laboratory applications requiring reliable UV-visible spectroscopy.
What wavelength range does the Model 3371 support?
The Model 3371 operates across a wide wavelength range of 200nm to 1020nm, enabling both ultraviolet and visible spectrum analysis for diverse laboratory applications.
This extended wavelength coverage supports chemical analysis, biological studies, environmental testing, pharmaceutical research, and industrial quality control measurements.
What are the key advantages of the CT grating monochromator system?
The CT grating monochromator with 1200 lines/mm improves wavelength precision, enhances optical stability, and reduces stray light interference for accurate spectrophotometric analysis.
This advanced optical configuration contributes to better analytical reproducibility and reliable performance during routine and research laboratory measurements.
Which analytical modes are available in the Model 3371?
The spectrophotometer supports Transmittance (T), Absorbance (A), and Concentration (C) operational modes for flexible analytical testing.
These measurement modes enable laboratories to perform quantitative concentration analysis, optical transmission testing, and absorbance-based spectroscopic measurements using a single instrument platform.
Can the Model 3371 accommodate different cuvette sizes?
Yes, the Model 3371 includes a large sample compartment capable of accommodating cuvettes ranging from 10mm to 50mm path lengths, providing enhanced application flexibility.
The instrument is also supplied with a 4-position 10mm cell changer for efficient multi-sample handling and improved laboratory productivity.
Product overview
Key features
Applications
Specifications
Applications
Features & benefits
Downloads
Frequently asked questions
Need help selecting a Spectrophotometers?
Tell us your application and our specialists will recommend the right model.