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ERICHSEN GmbH & Co. KG
Technical Description Model 494 MC Basic

Technical Description Model 494 MC Basic

Product catalog summary

Overview: The document provides a detailed description of the ERICHSEN Washability and Scrubbing Resistance Tester, Model 494 MC-Basic, designed for testing the washability, scrubbing resistance, and cleanability of dispersion paints, particularly wall paints. It outlines the specifications, testing procedures, and available models and accessories.

Specifications: The tester operates via a touch panel and allows for up to three simultaneous tests. It features a stroke path of 300 mm and a stroke rate of 5-40 double strokes per minute. The device dimensions are 590 x 370 x 280 mm, and it weighs approximately 22 kg. It requires a power supply of 100-240 VAC.

Testing Procedures:

DIN 53 778-2: Utilizes a pig bristle brush with a 250 g load. The washing fluid is continuously fed, and the test checks for contamination removal or substrate exposure after a set number of cycles.
DIN EN ISO 11998: Uses an abrasive pad with a 135 g load, moistened once with washing fluid. After 200 double strokes, the mass loss per unit area and average layer thickness loss are measured.

Design and Operation: The instrument includes a steel trough for testing, specimen clamping devices, and a high-precision step motor for linear movement. It supports up to three parallel abrasion tests and requires an ISO adapter for certain tests.

Order Information: Two main models are available:

Model 494 MC-Basic-DIN: Includes DIN equipment, PVC foils, and other accessories.
Model 494 MC-Basic-ISO: Includes an abrasive pad holder plate, ISO adapter, and other accessories.

Manufacturer's test certificates are available for additional cost.

Accessories: Various spare parts and accessories are listed, including DIN equipment, abrasive pads, micro-dosing pumps, PVC foils, brushes, and glass plates.

Catalog excerpts

Technical Description Model 494 MC Basic-1

Washability and Scrubbing Resistance Tester DIN Equipment Operation via touch panel Stroke path 300 mm testing equipment for quality management For the determination of the washing and scrubbing resistance as well as cleanability of dispersion paints

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Technical Description Model 494 MC Basic-2

The ERICHSEN Washability and Scrubbing Resistance Tester, Model 494 MC-Basic, is mainly intended for the determination of the washing and scrubbing resistance as well as cleanability of dispersion paints (specifically ”wall paints”). The wide range of its adjustable parameters allows also some further tailored/customized testing matters (for example for testing cleaning agents/solutions, etc.) as well. In the above standard applications a matt black PVC foil will be coated, and - if required - soiled in a defined manner. After clamping into the device it will be exposed under the influence of...

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Technical Description Model 494 MC Basic-4

Postfach 1264 I 58652 Hemer I Germany I Tel.+49(0)2372-9683-0 I Fax+49(0)2372-6430 I www.erichsen.de I [email protected]

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All ERICHSEN GmbH & Co. KG catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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