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The LS Spectrometer™ II is a goniometer-based variable-angle light scattering instrument for Static Light Scattering (SLS) and Dynamic Light Scattering (DLS). It offers the most comprehensive nanoparticle characterization and can be further enhanced with various options, such as Modulated 3D technology for measuring turbid samples.
The Gold-Standard in Light Scattering
Light scattering instruments based on goniometers have long been the cornerstone of advanced research in colloids and polymers. A light scattering goniometer is a type of multi-angle light scattering (MALS) instrument, characterized by its ability to measure a wide angular range using a rotating arm, enabling extremely high precision in DLS and SLS measurements.
With the LS Spectrometer™ II, LS Instruments combines the advantages of this technology with the ease of use typical of DLS instruments. The LS Spectrometer™ II can be used to measure:
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Application Fields
LS Instruments flagship instrument comes in two base units. Whether you're delving into Dynamic Light Scattering (DLS) or Static Light Scattering (SLS), this benchtop instrument delivers unparalleled accuracy and reliability.
Experience seamless control with state-of-the-art LsLab software, designed for both professionals and newcomers alike. The intuitive user interface enables easy operation and ensures efficient workflows and outstanding results with every measurement. Upgrade your laboratory today with the LS spectrometer and set new standards for performance and convenience.
Base Unit
Upgradable Base Unit
Laser
Fiber-coupled laser, 45 mW, 685 nm*
Fiber-coupled laser, 45 mW, 685 nm*
Detector(s)
1*
2*
Pseudo-Cross Correlation
No
Yes
Configurable with optional features
No
Yes
*refer to instrument specifications
Enhance your scientific endeavors with customizable features tailored to your exact needs. With our array of optional features, you can extend the capabilities of the LS Spectrometer to seamlessly fit your unique research.
Gain unparalleled flexibility and performance by choosing from a range of specialized add-ons. Whether you're characterizing turbid samples, gels, or anisotropic particles, the LS Spectrometer™ II offers a range of optional features.
Experience the power of customization as you tailor your LS Spectrometer to meet the challenges of your research area. With the LS Spectrometer II, you're not just investing in a goniometer light scattering instrument; you're investing in a versatile tool designed to adapt and excel throughout your research career.
Feature
Benefit
3D Cross-Correlation DLS
Accurate measurements for turbid samples, and full confidence regardless of sample dilution. The result is guaranteed to be free of multiple scattering.
Modulated 3D Cross-Correlation DLS
High measurement quality and confidence without compromise. Expand error-free measurements to even more turbid and concentrated samples.
Depolarized DLS (DDLS)
Characterization of anisotropic particles
Sample Goniometer
Cuvette rotation system to allow measurement of non-ergodic systems. This feature is fully automated and controlled by the instrument software.
Sample Goniometer Pro
In addition to cell rotation, this option provides horizontal cell translation. An essential feature for users working with square cuvettes, and the ability to further reduce the effects of multiple scattering by reducing the optical path length.
Temperature Control
Temperature control unit controllable through instrument software.
The LS Spectrometer™ combines innovation, precision, and versatility. Whether you’re in academia, pharmaceuticals, or materials science, this instrument empowers your nanoparticle research.
Whether you're an expert or a curious novice, the LsLab software platform is your gateway to effortless operation and powerful functionality.
Designed with versatility in mind, LsLab accommodates users of all levels with customizable operating modes. It's more than just software - it's your digital lab notebook, complete with a database, integrated data processing, and reporting tools.
Say goodbye to complexity with our intuitive protocol generator. Effortlessly create flexible measurement protocols with a simple drag-and-drop editor, streamlining and enabling a new level of automation for your workflow.
Designed to meet Laser Product Class 1 requirements, the LS Spectrometer™ II delivers exceptional performance and complete peace of mind in any laser setting, including non-specialized environments.
Its insulated housing ensures outstanding temperature stability, while carefully engineered, high-precision components provide superior mechanical stability. This guarantees accurate alignment and consistent instrument performance every time.
The LS Spectrometer™ II is engineered to close the gap between experts and beginners in light scattering, thanks to advanced automation and intuitive software.
Fully compliant with Laser Product Class 1 standards, the LS Spectrometer™ II ensures a streamlined user experience, featuring an automated sample goniometer and effortless switching between multiple measurement geometries, including 3D cross-correlation and modulated 3D cross-correlation.
Discover the ease and reliability of the LS Spectrometer™ II—an instrument that enables users at any skill level to confidently explore the realm of advanced light scattering
Technical Features
Technology
Dynamic and Static Light Scattering (DLS and SLS). Upgradeable with 3D and Modulated 3D technology for dilution-free measurements.
Sample volume
50 uL to 4 ml
Particle size range (Rh)
0.15 nm to 5µm*
Radius of gyration
5 nm to 5µm*
Molecular weight
360 - 3.600.000 Dalton*
Angular range**
effective: 10° to 150°
recommended: 17° to 150°
Angular resolution
certified better than +/- 0.05°
Laser
Fiber-coupled laser 120 mW, 638 nm
Laser control
Automated attenuator - laser intensity adjustable from 0.01% to 100%
Laser product class
1
Correlator
320 channels, delay time 12.5 ns to 15 h, auto- and cross-correlation
Detection
Two high-performance APDs, QE 65%, dark counts < 250 count/s
Temperature
up to 90 °C
Dimensions (L x W x H)
156 x 84 x 31 cm
Software
LsLabTM software for data acquisition and analysis including Cumulant and CORENN. Zimm Plot, Guinier Plot, and Debye Plot.
* As for all DLS instruments, the maximum range is sample-dependent.
** The effective angles are the geometrically achievable angles with the goniometer.