Drawell 721N VIS Spectrophotometer

Drawell 721N VIS Spectrophotometer

Product overview

721N VIS Spectrophotometer has the holographic blazed grating monochromator has the advantages of high wavelength accuracy, good monochromaticity and low stray light.

The Drawell 721N VIS Spectrophotometer supports research, pharmaceutical, environmental, food, industrial, and quality-control laboratories. Scientific China provides model selection, configuration review, export coordination, and formal quotations.

Key features

• Direct Quantitative Analysis : Supports direct concentration readout, concentration-factor setting, linear regression and coefficient methods .
• 30-Curve Memory & USB : Stores up to 30 concentration curves and includes a USB interface for convenient data handling.
• Automatic T/A & Zero Adjustment : Microcomputer measurement system supports precise T/A conversion and automatic 0%T / 100%T adjustment .
• Flexible Cuvette Compartment : Supports 5–50 mm cuvettes for different sample and measurement requirements.
• Automatic Light Gate Protection : Automatic light-gate technology eliminates the need for a blackbody and helps protect the photoelectric sensor .
• Widely used in teaching laboratories for demonstrating Beer-Lambert Law , calibration curves, and basic qualitative and quantitative analysis of colored solutions.
• Measuring absorbance-based color intensity and tracking reaction kinetics in dyes, coatings, inks, and electroplating solutions for routine industrial quality control.
• Used for quantitative analysis of APIs and finished products with visible absorbance, dissolution testing, and optional basic DNA/protein quantification and reaction kinetics monitoring via PC software.
• Used for routine colorimetric determination of ammonia nitrogen, total phosphorus, Cr⁶⁺, nitrite, and volatile phenols in environmental water quality monitoring.
• For colorimetric detection of nitrite, nitrate, phosphate, peroxide value, and pigments in food and agricultural products for quality control compliance.
• Transmittance (%T)
• Direct transmittance measurement from 0.0–100.0%T .
• Absorbance (A)
• Absorbance measurement range of 0.000–1.999 A for routine quantitative analysis.

Applications

• Quantitative or qualitative laboratory analysis
• Research, method development, and routine quality control
• Application-specific testing with suitable accessories and methods

Technical specifications

Ordering and configuration

Final specifications, included accessories, consumables, software, certifications, power requirements, installation, warranty, and regulatory availability depend on the selected model and destination. Contact Scientific China to confirm the suitable configuration, minimum order quantity, price, lead time, documentation, and international delivery terms before purchase.