Single Beam Visible Spectrophotometer VA-300C with 2nm Bandwidth and 320-1100nm Wavelength

Single Beam Visible Spectrophotometer VA-300C

with 2nm Bandwidth and 320-1100nm Wavelength

Main Features

High Level of Intelligence:

• ARM chip for fast data processing
• 128x64 dot array graphic backlit LCD display
• USB data export
• One-click system upgrades
• Customizable wavelength correction values
• Automatic wavelength calibration, eliminating the need for manual adjustments
• Lamp usage time is automatically accumulated for easy monitoring
• The lamp source switch menu can be closed when not in use, effectively extending the lifespan.

Comprehensive Menu Functions:

• Built-in programmes for photometry, quantitative measurement (standard curve), spectrum scanning, time scanning, DNA/protein measurement, instrument verification measurement, multi-wavelength measurement, and more.

Convenient Data Processing:

• Storage of up to 1000 sets of data
• Optional built-in or external miniature printers for output
• PC connection for data processing and analysis

Photometry Measurement:

It allows measurement of sample absorbance or transmittance in the range of 190-1100nm, using a single-point test wavelength and testing method of your choice. It can also determine sample concentration by inputting standard sample concentrations or concentration factors.

Quantitative Measurement:

It can measure the concentration of unknown sample solutions using a curve with known parameter factors or by automatically establishing a standard solution curve. It offers first-order, first-order zero-crossing, second-order, and third-order curve fitting, as well as single-wavelength correction, dual-wavelength absorption correction, and the option of a three-point method. Standard curves can be stored and retrieved.

Spectrum Scanning:

Set a wavelength range (up to 100 test points), scan interval, and measure absorbance, transmittance, reflectance, and energy at intervals for solid or liquid samples. It also allows peak and valley detection, saving, and printing for previously measured spectra.

Time Scanning:

Also known as kinetic measurement, it scans samples at intervals in terms of absorbance or transmittance over a specified time range based on set wavelength points. It can also convert absorbance to concentration or reaction rate calculation by inputting concentration factors.

Multi-Wavelength Measurement:

Up to 10 wavelength points can be set for measuring absorbance or transmittance of sample solutions.

DNA/Protein Measurement:

Mainly measures absorbance at specific points such as 260nm/280nm/230nm/320nm to determine DNA and protein concentrations and ratios based on calculation formulas.

GLP Instrument Verification Measurement:

It can verify wavelength accuracy, photometric accuracy, and stray light, providing verification results that can be stored, exported, and printed.

Packing list:

• Spectrophotometer x1
• 10-50mm 4-position adjustable holder x1
• dust cover x1

Multiple Optional Accessories:

• 8-position automatic sample rack
• Single-slot microsample rack (minimum measurable 50u samples)
• 5-10 cm sample racks (suitable for water quality testing)
• Single-slot or three-slot water bath colorimetric dish rack (suitable for temperature-controlled sample requirements)
• PC control software for extended functionality
• Printer

Specifications:

10-50mm 4-position adjustable holder: