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MikroTest MikroTest Magnetic Coating Thickness Gauge

Made in Germany The MikroTest has been the most widely used coating thickness gauge in the world over the last 40 years. The MikroTest complies with the highest technical standards of all analogue magnetic coating thickness gauges. This magnetic coating thickness gauge works on the magnetic attraction principle to measure all non-magnetic coatings on steel and galvanic nickel on steel.

The MikroTest is supplied in 11 different models to be suitable for every requested application. The balanced measuring system ensures accurate readings at any angle: horizontal, vertical and overhead. Also, the gauge allows measurements on curved surfaces. It is also able to provide you with precise measurements in tubes and on round parts due to the automatic operation.

The measurement of the coating thickness is based on magnetic attraction. The attractive force is related to the distance between a permanent magnet and a steel substrate. This distance represents the thickness of the coating under measure. The magnet is lifted from the surface by means of a spring connected to the magnet arm. The force needed to lift the magnet is directly related to the angle of rotation of the torsion spring. This measuring principle is also especially suited for electroplated nickel on copper, aluminium and other non-ferrous metals. This measurement principle ensures fully automatic measurement where no power supply or calibration is required.

MikroTest 5 - Manually operated measuring mechanism. Turn the scale wheel to the forward stop and then slowly turn the wheel backwards by hand until the magnet releases from the object to be measured.

MikroTest 5 G - Measuring range 0 – 100 µm, suitable for electroplating and paint coatings on steel
MikroTest 5 F - Measuring range 0 – 1.000 µm, suitable for paint coatings on steel

MikroTest 6 - Automatic drive mechanism of the measuring device by tension spring storage. Before measuring the scale wheel is turned as far as it will go and once started the built-in locking mechanism automatically carries out the process of measurement.

MikroTest 6 G - Measuring range 0 – 100 µm, suitable for electroplating and paint coatings on steel
MikroTest 6 F - Measuring range 0 – 1.000 µm, suitable for paint coatings on steel
MikroTest 6 S3 - Measuring range 0,2 – 3 mm, suitable for enamel, plastics or rubber on steel
MikroTest 6 S5 - Measuring range 0.5 – 5 mm, suitable for enamel, plastics or rubber on steel
MikroTest 6 S10 - Measuring range 2.5 – 10 mm, suitable for enamel, plastics, rubber or fire protection coatings on steel
MikroTest 6 S20 - Measuring range 7.5 – 20 mm, suitable for enamel, plastics, rubber or fire protection coatings on steel
MikroTest 6 Ni50 - Measuring range 0 – 50 µm, for measurement of electroplated Nickel coatings on non-ferromagnetic subtrates
MikroTest 6 Ni100 - Measuring range 0 – 100 µm, for measurement of electroplated Nickel coatings on non-ferromagnetic subtrates
MikroTest 6 NiFe50 - Measuring range 0 – 50 µm, for measurement of electroplated Nickel coatings on ferromagnetic steel substrate

Model:	Range:	Tolerance:	Application:	Min. surface	Min. curvature radius of the sample	Min. base thickness
5/6 G	0-100 μm	± 1 μm or 5% of reading	Electroplating and paint coatings on steel**	Ø 20mm	5 mm convex/ 25 mm concave	0.5 mm
5/6 F	0-1000 μm	± 5 μm or 5% of reading	Paint on steel**	Ø 30mm	8 mm convex/ 25 mm concave	0.5 mm
6 S3	0.2-3 mm	± 5% of reading	Enamel, plastic, rubber on steel**	Ø 30mm	15 mm convex/ 25 mm concave	1.0 mm
6 S5	0.5-5 mm	± 5% of reading	Enamel, plastic, rubber on steelEnamel, plastic, rubber on steel	Ø 50mm	15 mm convex/ 25 mm concave	1.0 mm
6 S10	2.5-10 mm	± 5% of reading	Enamel, plastic, rubber on steel**	Ø 50mm	15 mm convex/ 25 mm concave	2.0 mm
6 S20	7.5-20 mm	± 5% of reading	Enamel, plastic, rubber on steel**	Ø 100mm	100 mm convex/150 mm concave	7.0 mm
Ni 50 6	0-50 μm	± (1 μm + 5% of reading)	Electroplated nickel on non-ferrous substrates	Ø 15mm	5 mm convex/ 25 mm concave	--
Ni 100 6	0-100 μm	± (1 μm + 5% of reading)	Electroplated nickel on non-ferrous substrates	Ø 15mm	5 mm convex/ 25 mm concav	--
NiFe50 6	0-50 μm	± (2 μm + 8% of reading)	Electroplated nickel on steel**	Ø 20mm	10 mm convex/ 25 mm concave	0.5 mm
* Referring to the manufacturer's standards ** Steel: ST 33 to ST 60

Range	6 S3: 0.2 mm - 3 mm 6 S5: 0.5 mm - 5 mm 6 S10: 2.5 mm - 10 mm 6 NiFe50: 0 µm - 50 µm
Application	6 S3; 6 S5; 6 S10: enamel, plastic, rubber on steel 6 NiFe50: electroplated nickel on steel
Tolerance	6 S3: ± 5 % - of reading 6 S5: ± 5 % - of reading 6 S10: ± 5 % - of reading 6 NiFe50: ± 2 µm 6 NiFe50: + 8 % - of reading
Minimum Surface	6 S3: Ø 30 mm 6 S5: Ø 50 mm 6 S10: Ø 50 mm 6 NiFe50: Ø 20 mm
Minimum Curvature Radius	6 S3: 15 mm - convex 6 S3: 25 mm - concave 6 S5: 15 mm - convex 6 S5: 25 mm - concave 6 S10: 15 mm - convex 6 S10: 25 mm - concave 6 NiFe50: 10 mm - convex 6 NiFe50: 25 mm - concave
Minimum Base Thickness	6 S3: 1.0 mm 6 S5: 1.0 mm 6 S10: 2.0 mm 6 NiFe50: 0.5 mm
Ambient Temperature	-20 °C - 100 °C
Conforming Standards	DIN EN ISO 2178, DIN 50 982, ASTM B 499, E 376, D 1186, G 12, B 530, BS 5411, ISO 2361
Dimensions	Gauge: 215 mm x 55 mm x 29 mm Plastic carrying case: 235 mm x 185 mm x 46 mm
Weight	Case incl. gauge approx. 560 g