Main Sector of relevance\IRC classification 9. Measurements and Standards


9.9 Magnetic thickness gauge MTTs-2М

Layout of MTTs-2М device

Developers’ contact information

State Scientific Institution “The Institute of Applied Physics of the National Academy of Sciences of Belarus”
16 Akademicheskaya Street, Minsk BY-220072

Ph.D. in technical sciences, professor Alexander Alexandrovich Lukhvich
Tel.: +375 (17) 284-23-07; e-mail: lab1@iaph.bas-net.by

Summary

The MTTs-2М thickness gauge provides measuring of thickness of non-magnetic coatings (paint, lacquer, chrome, copper, zinc, etc.) on steel and other ferromagnetic bases in the range of 0÷5000 μm, and thickness of nickel coatings on non-magnetic and ferromagnetic bases in the range of 0÷100 μm with a single converter.

Description

The MTTs-2М thickness gauge provides measuring of thickness of non-magnetic coatings (paint, lacquer, chrome, copper, zinc, etc.) on steel and other ferromagnetic bases, and thickness of nickel coatings on non-magnetic and ferromagnetic bases.
Technical and meteorological specifications:
Range of measured thicknesses:
version MTTs-2М-1:
- non-magnetic coatings on ferromagnetic bases – 0÷5000 μm
(can be extended up to 10000 μm);
version MTTs-2М-2:
- nickel coatings on non-magnetic bases – 0÷100 μm
(can be extended up to 1000 μm);
version MTTs-2М-3:
- nickel coatings on ferromagnetic bases – 0÷100 μm
(can be extended up to 1000 μm);
version MTTs-2М-4:
- non-magnetic coatings on ferromagnetic bases – 0÷500 μm.
Accuracy of measurement – max. ± (1,5 + 2% of measured thickness) μm
Current consumption – max. 10 mA.
Overall dimensions – max. 150×85×45 mm.
Device weight – max. 300 g.
Operating temperature range – from —10 to +40 °C.
The MTTs-2М thickness gauge is registered in the State Register of Measuring Devices of the Republic of Belarus (certificate of approval of a measurement device type no. 2174) and the Russian Federation (certificate of approval of a measurement device type no. 15804/2).

Technology type

Technical advantages and economic benefits

Advantages of the thickness gauge MTTs-2М as compared to known prototypes:
– The new method of informative parameter measurement (induction of a secondary magnetic field) automatically excludes the impact of the primary magnetizing field on the results of measurements;
– A single converter provides measurement of thickness of non-magnetic coatings on steel, nickel coatings on steel and non-magnetic bases, without adjusting the thickness gauge to the thickness range and types of coatings;
– High resolution (tenths of micrometer for non-magnetic and nickel coatings on steel, one hundredths of micrometer for nickel coatings on non-magnetic bases of small thickness);
– Results of measurements are independent from electrical properties of coatings and bases.

Technology differentiation and uniqueness

The MTTs-2М thickness gauge is based on the magnetodynamic method of control, thus the measured signal does not contain a non-information component due to the magnetization field of the converter; the result is high resolution, which provides a wide range of measurements. High-coercivity material having a high residual magnetization and small overall dimensions of the magnet (not more than Ø5×5 mm); a mere point contact with the surface of the coating provides high locality of measurements, and the relatively high magnetization of the field provides a uniform grading when measuring thickness of non-ferromagnetic coatings on steels of various grades.

Context in which technology was identified

The MTTs-2М thickness gauge has been introduced and is used by many national businesses (RUE “Minsk Tractor Works”, PRUP “Minsk Automobile Plant”, PA “Belarusian Automobile Plant” Zhodino, JSC “Amkodor”, OJSC “Motovelo”, etc.), as well as by some foreign companies (JSC “Nizhnedneprovsk Pipe Rolling Plant”, Dnepropetrovsk, Ukraine; OJSC “Kremenchug wheel factory”, Kremenchug, Ukraine; limited production and promotional company “Svarkon”, Ufa, Bashkortostan Republic; FGUP PA “Zlatoust Machine-Building Plant”, Zlatoust, Chelyabinsk region, Russian Federation, and others).

Technological keywords

Thickness gauge, non-destructive testing, magnetodynamic method, thickness of coatings, types of coatings.

Development Stage

Intellectual property rights

Range of applications

Measuring thickness of paint, heat-resistant, flame retardant, electroplating and other non-ferromagnetic coatings applied to steel and other ferromagnetic materials, as well as thickness of nickel coatings applied on the bases of ferromagnetic or non-ferromagnetic materials.

Classifier Used at the EU Innovation Relay Centres

Preferable Regions

Practical experience

Extensive device operation experience at national and foreign enterprises.

Environmental impact

None.

Type of collaboration sought

Terms and restrictions

Available technical assistance