DelsaMax particle analyzers measure the size and zeta potential of nanoparticles. Instruments in the family use two independent detection systems that operate in parallel. DelsaMax PRO light-scattering and zeta potential analyzer provides measurement of the size, structure, and charge of particles 0.4 to 10,000 nm in diameter. An Avalanche photodiode detector provides size measurements, and 31 independent photodetectors measure zeta potential. DelsaMax CORE analyzers utilize independent dynamic and true static light-scattering detectors to measure the size and molecular weight of particles from 0.4 to 10,000 nm, at sample volumes as low as 1 L. The cuvette-based system operates at temperatures between -15° and 150°C.