SP-721D Visible Spectrophotometer 335–1000 nm

The SP-721D Visible Spectrophotometer is a benchtop laboratory instrument designed for quantitative analysis of substances by measuring light absorbance and transmittance within the visible wavelength range. With a wavelength range of 335–1000 nm, wavelength accuracy of ±2 nm, and 5 nm spectral bandwidth, it is suitable for routine analytical work in clinical laboratories, research institutions, schools, pharmaceutical laboratories, environmental testing facilities and quality-control laboratories. Visible spectrophotometers of this class are commonly used to measure absorbance, transmittance and concentration of liquid samples using cuvettes. Key Features Visible-light spectrophotometer Wide 335–1000 nm wavelength range Wavelength accuracy of ±2 nm 5 nm spectral bandwidth Photometric precision of ≤0.5%T Stray light of ≤0.5%T Digital measurement display Suitable for absorbance and transmittance measurements Compact benchtop laboratory design Convenient sample compartment Suitable for quantitative laboratory analysis Designed for routine laboratory and educational use Specification Details Product Visible Spectrophotometer Model / Art. No. SP-721D / 721(D) Wavelength Range 335–1000 nm Wavelength Accuracy ±2 nm Spectral Bandwidth 5 nm Photometric Precision ≤0.5%T Stray Light ≤0.5%T Measurement Principle Visible-Light Spectrophotometry Typical Measurement Modes Absorbance / Transmittance Sample Type Liquid Samples in Cuvettes Installation Benchtop Application Quantitative Laboratory Analysis