Destructive Film Thickness Gauge
Article No. 3430
byko-cut thickness, Metric
Metric DFT Gauge with blades
- byko-cut universal with metric scale
- 3 cutters for film thickness included (#1-3)
Features
The byko-cut universal is a multi-purpose paint testing instrument that measures paint coating thickness, paint adhesion, and coating hardness.
- Can measure coating thickness on metal, wood, plastic, and other rigid substrates
- Multi-layer coating thickness can be measured
- Built-in microscope can also be used for assessing paint imperfections
- Rotating blade holder for easy, safe change-over of the cutting blades
- Optional cross-cut blade to perform a cross-hatch adhesion test
- Optional Indentation hardness blade to comply with ISO 2815 Buchholz hardness
- LED illumination for easy visual assessment
- Portable design for field testing and inspection
Technical Attributes
-
- Measurement Unit
- microns
-
- Thickness cutters 1 - 3
- included
-
- Measuring Range Mils / µm
- 2 - 2000 µm
-
- Full Scale Calibration Range Mils/ µm
- -
-
- Measuring Range
- 2 - 2000 µm
-
- Lamp
- White LED
-
- Microscope
- 50-fold magnification
-
- Power supply
- 1.5V Battery (AA)
-
- Dimensions: L x W x H
- 11 x 7.5 x 8 cm
-
- Dimensions: L x W x H
- 4.3 x 2.9 x 3.2 in
Technical Properties
Technical Specifications
Thickness Measurement
General
Standards
Procedure
Destructive Film Thickness Measurement
Create a V-shaped cut through the coating down to the substrate and measure width of a’ (b’), which is proportional to the thickness a (b).
The specially designed blades which are attached to the instrument are used to make a short incision in the film. Then, the depth of the layer is measured with the built-in 50 fold microscope and the film is inspected for flaws.
Each of the cutting tips has two bevels which are made to precision with the mentioned slopes (see table). Since the slope of the cut is known, the measurement of the horizontal distance across this full slope (from the substrate to the top edge of the cut) is also a measurement of true vertical depth.
Buchholz Indentation Hardness
Place the byko-cut universal equipped with tool (Cat. No. 3427) and slip-on weight (Cat. No. 3434) on measuring position in accordance with standard. After 30 seconds measure indentation length using the built-in microscope.
Delivery Content
Instrument
Revolving rotary head with 3 cutters for film thickness (3421,3422,3423)
Built-in microscope (scale 0 - 2 mm)
LED
Battery
Manual
Carrying case
Revolving rotary head with 3 cutters for film thickness (3421,3422,3423)
Built-in microscope (scale 0 - 2 mm)
LED
Battery
Manual
Carrying case
Downloads
Short Instructions
Operating Manuals
Knowledge
Film thickness
For all requirements associated with a coating, there is an optimal layer thickness to ensure good flow and leveling, gloss, optimal color uniformity and opacity as well as good protection against environmental influences and corrosion. If the layer thickness is too high, mechanical-technological properties such as mandrel bending tests, stone impact tests and ball impact tests deteriorate, and the cost-effectiveness of the painting process also decreases. For this reason, layer thicknesses are worked out and specified by the paint supplier and quality assurance. These must be regularly checked and documented.
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