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The Flinn Scientific Spectrophotometer delivers precise, reliable absorbance and percent transmittance measurements at a price that fits any school budget. Designed for intuitive, one-button operation, this durable unit features a stable 64×128 LCD display that simultaneously shows absorbance and transmittance readings. The sample compartment accepts standard 13 × 100 mm test tubes or 10 mm square cuvets, while the built-in automatic filter wheel enables a wide wavelength range of 335–1000 nm. Students can easily adjust wavelength using a smooth control knob with a clear numeric readout. The instrument provides fast blanking and 100% transmittance adjustment to reduce student error and improve workflow. A long-lasting tungsten-halogen light source ensures consistent illumination, and the chemical-resistant housing prevents damage from spills. Backed by a dependable six-year warranty.