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Spectrophotometers

Spectrophotometers

Spectrophotometers are essential instruments in the laboratory, utilized for measuring how much light is absorbed by a sample at different wavelengths. They play a crucial role in various fields including chemistry, biology, and environmental science, enabling precise quantitative analysis.

The ability to analyze the light absorption spectrum helps researchers identify substances, determine concentrations, and study chemical properties, making spectrophotometers indispensable tools in modern scientific research.

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Types of spectrophotometers your laboratory may need

Double beam

Double beam

Double beam spectrophotometers are designed to measure the intensity of light passing through a sample and a reference simultaneously. This method helps reduce errors caused by fluctuations in light source intensity, ensuring more accurate and reliable results.

These instruments are ideal for applications requiring high precision, such as quantitative assays and colorimetric analysis in laboratories, making them a preferred choice for many researchers.

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Unique beam

Unique beam

Unique beam spectrophotometers utilize a single beam of light that passes through the sample, measuring the intensity before and after transmission. While they may be less precise than double beam systems, they are often more compact and cost-effective.

These instruments are suitable for general laboratory use and can efficiently perform routine analyses in various scientific fields, making them valuable for budget-conscious labs.

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What you should know before selecting a spectrophotometers and making an investment

Key factors to consider

Key factors to consider

When selecting a spectrophotometer, consider the wavelength range, sensitivity, and resolution required for your specific applications. Different models cater to varying needs, so it's essential to match the instrument's capabilities with your laboratory's analysis demands.

Additionally, think about the ease of use, software compatibility, and customer support offered by the manufacturer, as these factors can significantly impact your overall experience.

Market price range

Market price range

The market for spectrophotometers varies widely in terms of price, depending on the features and specifications. Basic models can start at a few hundred dollars, while advanced instruments with high precision capabilities can cost several thousand.

Understanding your laboratory's budget and the specific requirements of your analyses can help you choose an appropriate model that balances cost and functionality effectively.

Value for money

Value for money

Investing in a spectrophotometer involves evaluating not just the initial purchase price, but also the long-term value it provides. Look for models that offer reliable performance, durability, and low maintenance costs for a better return on investment.

Additionally, consider the availability of replacement parts and the overall support from the manufacturer, as these factors can affect the total cost of ownership over time.

Expected lifespan based on use and maintenance

Expected lifespan based on use and maintenance

Different spectrophotometers have varying lifespans based on their design, usage, and maintenance practices. Regular calibration and proper handling can extend the life of these instruments, ensuring consistent performance over time.

Before purchasing, inquire about the expected lifespan of the model you are considering and any recommended maintenance practices to maximize your investment.

SPECTROPHOTOMETERS KALSTEIN

Discover spectrophotometers for your laboratory

Explore our range of spectrophotometers that cater to various analytical needs in the laboratory. Our products are designed to provide exceptional precision and reliability for your experiments.

Our best-selling spectrophotometers

YR06702//YR06702-3 Series Single and Dual Beam UV-Visible Spectrophotometer

YR06702//YR06702-3 Series Single and Dual Beam UV-Visible Spectrophotometer

Kalstein YR06702 series of UV-Visible Spectrophotometers represents the gold standard in photometric analysis for laboratories demanding absolute precision and versatility. These instruments, ranging from single-beam to advanced dual-beam configurations , operate in a wavelength range of 190–1100 nm, enabling critical measurements in the chemical, pharmaceutical, and biotechnology sectors. Equipped with tungsten (W) and deuterium (D2) light sources, they guarantee superior stability of ≤0.001 A/h, resulting in reproducible results even under intensive workloads.The technology integrated into these devices stands out for its intuitive user interface, with touch screens of up to 10 inches that facilitate autonomous system control, without strictly depending on an external computer.

Design and Technology: Cutting-Edge Functionality

The YR06702 series design has been optimized to minimize stray light (≤0.05%T) and maximize resolution. While the base model offers a bandwidth of 1.8 nm, the premium YR06702-3 version allows for variable bandwidth (0.5/1/2/4 nm), ideal for research requiring extremely fine peak discrimination. The robust optical system and the option for data output via Bluetooth or USB ensure quick and error-free integration of results into your LIMS.

Frequently Asked Questions (FAQ)

  • What is the main difference between the single-beam and dual-beam models? The single-beam (YR06702) is ideal for routine high-speed measurements, while the dual-beam (YR06702-1/3) automatically compensates for light source fluctuations and solvent noise, offering greater stability in complex analyses.
  • Does it require external software to operate? No, it has a built-in standalone operating system. However, we offer optional PC software for deeper data analysis and regulatory compliance.

Advantages and Disadvantages

Advantages:
  • High Precision: Wavelength accuracy up to ±0.1 nm in higher models.
  • Modern Interface: Color touchscreen that eliminates the need for peripherals.
Disadvantages
  • Preheating: Requires 2 hours to reach maximum stability of 0.001 A/h.
  • Weight and Size: As they are high-precision equipment, they require a fixed and level table space.

Product Use in the Field

In clinical settings , these spectrophotometers are essential for quantifying nucleic acids and proteins. In the environmental industry , they are used to detect contaminants in water using highly linear calibration curves. Thanks to their photometric range of -0.3 to 3 Å, researchers can analyze samples with varying concentrations without excessive dilution, optimizing turnaround time in the laboratory.

Recommendations and Maintenance

To ensure the longevity of your YR06702 Series Spectrophotometer , it is recommended that you:
  1. Electrical Stabilization: Use a voltage regulator to protect deuterium and tungsten lamps against power spikes.
  2. Optical Cleaning: Clean the cuvettes with spectroscopic grade solvents to avoid interference in the reading of diffuse light.
  3. Periodic Calibration: Although the equipment is highly stable, a semi-annual validation of the wavelength accuracy using certified filters is suggested.

Technical Specifications

ModelYR06702YR06702-1YR06702-2YR06702-3
Optical SystemKeep it simpleDouble the DoDouble the Do
Light SourceTungsten (W) and Deuterium (D2) Lamp
Wavelength Range190-1100 nm
Bandwidth1.8 nm1 nm0.5 / 1 / 2 / 4 nm
Screen7-inch touchscreen10-inch touchscreen
Wavelength Accuracy±0.5 nm±0.1 nm at D2 656.1 nm, ±0.3 nm at full range
Wavelength Repeatability≤0.2 nm≤0.1 nm
Photometric Accuracy±0.3%T (0-100%T); ±0.002Abs (0-0.5Abs); ±0.004Abs (0.5-1.0Abs)
Photometric Repeatability≤0.1%T (0-100%T); ≤0.001Abs (0-0.5Abs); ≤0.002Abs (0.5-1.0Abs)
Stability≤0.001 A/h @ 250 nm and 500 nm (2 h preheating)
Photometric Range-0.3-3 A, 0-200% T, 0-9999 C
Diffused light≤0.05% T at 220 nm and 360 nm
Control ModeStandalone system or PC software (Optional)
Data OutputUSB or Bluetooth port (Optional)
Energy RequirementAC 110/220 V, 50/60 Hz
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Detailed analysis of spectrophotometers for an effective and safe choice

Spectrophotometers: Precision Analysis for Scientific and Chemical Research

Spectrophotometers: Precision Analysis for Scientific and Chemical Research

Spectrophotometers are essential tools in scientific and chemical research. In laboratory work, reliable and accurate results are the foundation for successful research, and in this sense, spectrophotometers play a key role. After testing a variety of equipment in my personal experience, I can affirm that choosing the right spectrophotometer makes a significant difference in the quality of results.

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Frequently asked questions about Spectrophotometers

How to know the prices of Spectrophotometers?

To know the price of Spectrophotometers, please send us an email with your request through the contact form AQUI.

What are the delivery times for Spectrophotometers?

Delivery time depends on stock availability and freight type (air or sea). In stock: air 15-30 days, sea 45-60 days. Out of stock: air 30-60 days, sea 60-90 days.

How to make a purchase of Spectrophotometers?

You can buy by email ([email protected]), phone (+33 (0) 1 70 39 26 50) or through the official Kalstein website in your country.

How does the warranty work for Spectrophotometers?

All Kalstein equipment comes with a 1-year warranty against manufacturing defects. The warranty does not cover damage from improper installation or misuse. See our «terms and conditions» AQUI.

Can I request a quote online for Spectrophotometers?

Yes, you can request a quote for the Kalstein equipment you are interested in directly from our official website. Click AQUI.

Contact Kalstein for specialized inquiries

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