Rapid, Precise and Reliable Particle Analysis with the DelsaMax™ Series from Beckman Coulter

The fastest of its kind, the DelsaMax PRO allows simultaneous analysis of both particle size and zeta potential for sample volumes as small as 45μl, in less than one second.

The DelsaMax CORE provides nanosizing of particles even at 1μL sample volumes—the lowest available today.

The new DelsaMax™ Series offers incredible speed, precision and reliability, allowing for an unprecedented advancement in your nanoparticle research. Each instrument helps you get more insight out of even the smallest samples, faster than ever.

That’s why the DelsaMax Series is the perfect addition to an already robust family of sophisticated Particle Characterization solutions from Beckman Coulter-reaching all the way back to more than 50 years ago, when Wallace Coulter created the very method that established the field. Proof that we always have, and always will be committed to what’s most important: improving and accelerating your process.

Key Specifications

Specifications of the DelsaMax Pro

DelsaMax Pro
Size Range 0.4 to 10,000 nm, hydrodynamic diameter (limited by particle sedimentation)
Molar Mass Range 5×107 g/mol (Da) (dependent on molecular shape model)
Minimum Sample Volume 45 µL
Minimum Measurement Time 1 second
Zeta Potential Measurement
Minimum Sample Volume 170µL, excluding tubing
Ionic Strength Range 0 to 50 mS/cm (4 times the conductivity of physiological saline)
Mobility Range No practical limit
Mobility Size Range 2 nm to 15 µm diameter
Mobility Sensitivity 1 mg/µL Lysozyme
Minimum Measurement Time 1 second

Specifications of the DelsaMax Core

Size Measurement
Dynamic Light Scattering Size Range (Diameter–nm) 0.4 to 5,000
Static Scattering Molecular Weight Range 300 to 106 Da (concentration dependent)
Minimum Sensitivity 0.1 mg/µL Lysozyme
Scattering Angle 90°
Minimum Sample Volume 1.25µl standard cuvette, 4µl disposable cuvette
Correlator 512 channels (100 nsec sampling time in a multi-tau layout)
Data Acquisition Time 1 to 3,600 seconds
Minimum Measurement Time 1 second