Choose the brand aligned with your industry so we can best serve your needs.
For researchers, scientists, and technical professionals: Your one-stop shop for the complete range of laboratory, production, and safety products and services.
Instruments that measure ultraviolet and/or visible light absorbance of a sample; they are based on the Beer-Lambert law, which states that the concentration of a solute is proportional to the absorbance of the sample. Accessories available.
Waters TA Instruments PCA Longpass Filter 490 nm (pkg. of 2) provides optical filtering for PCA modules. Designed for wavelength control, it enhances measurement precision, supports calibration stability, and ensures accuracy in photocalorimetric applications.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More