LAUDA Surface Analyzer LSA 50

The LSA 50 is a robust and precise instrument for contact angle measurements and for extremely accurate determination of surface and interfacial tension as well as the surface free energy.

With this versatile measuring capabilities it is the ideal device for research and teaching.

It represents a budget-friendly entry-level device while featuring high-end accuracy. Its large and easy to load sample stage provides a precise z-axis for easy handling.


Special Features:

  • Compact size which requires only small bench space
  • Versatile measuring methods
  • Very easy handling with exchangeable manual dosing system
  • Adjustable platforms for samples and camera
  • Powerful algorithms enable precise drop analysis

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Technical features:


1,9 x telecentric lens

Camera Type

LCA-5 (USB 3) 1,280 x 960 px

max. res., 54 fps


100 mm fine focus

with adjustment axis

Max. sample dimensions (L x W x H)

∞ x 290 x 76 mm

Max. sample weight

15 kg

self-locking w/o clamping

Sample table dimensions (L x W)

100 x 100 mm

Travel distance of sample table

Z-direction: 50 mm

Measuring range for contact angles

0 – 180 °

Measuring range for surface

and interfacial tensions

0.01...2,000 mN/m

Precision: 0.1 %

Power supply

100 /240 V AC, 50 / 60 Hz.

Dimensions (W x D x H)

600 x 160 x 480 mm

Weight, net

approx. 15,5 kg

Further information

Request our complete catalog

Request our complete catalog "Product range 2024/2025" now. It contains a detailed overview of all products, accessories and spare parts of our viscosity measuring systems, tensiometers and contact angle instruments on more than 80 pages.

Available as digital or printed version in English language.

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