Coating Thickness Gauge

 

I. Measuring Principle

The instrument adopts the magnetic and eddy current principle to measure in a non-destructive way

 

(1) Magnetic way (type F probe)

 

measure the thickness of non-magnetic coatings on magnetic metallic base (e.g. zinc, aluminum, Cr. Copper, rubber, paint, coating on the base of steel, iron, alloy and hard magnetic steel etc.)

 

 (2) eddy current way (type N probe)

 

measure all electrically insulating coating layers, such as lacquer, Varnish, paint, anodizing coating on nonferrous metals, also on austenitic VA steel materials.

 

II. Technical Parameter:

List 1 of technical parameters

Type F probe :

Probe		F400	F1	F1/90°	F10
Measuring Principle		Magnetic method
Measuring range(mm)		0~400	0~1250		0~10000
Min resolution(mm)		0.1	0.1		10
Tolerance	One-point calibration (mm)	±(2%H+0.7)	±(2%H+1)		±(2%H+10)
	Two-point calibration (mm)	±(1%H+0.7)	±((1%H+1)		±(1%H+10)
Minimum radius of curvature (convex) (mm)		1	1.5	flat	10
Minimum measuring area(mm)		F3	F7	F7	F40
Minimum thickness of base material(mm)		0.2	0.5	0.5	2

Type N probe :

Probe		N400	N1	CN02
Measuring Principle		Eddy current method
Measuring range (mm)		0~400	0~1250	10~200
Min resolution(mm)		0.1	0.1	1
Tolerance	One-point calibration (mm)	±(2%H+0.7)	±(2%H+1.5)	±(2%H+1)
	Two-point calibration (mm)	±(1%H+0.7)	±(1%H+1.5)	--------
Minimum radius of curvature (convex) (mm)		1.5	3	flat
Minimum measuring area(mm)		F4	F5	F7
Minimum thickness of base material(mm)		0.3	0.3	0

Note: H——Measured Value

 

III. Standard Configuration

main frame                 1

Substrate                    1

Calibration   foil           5

9V BaMTery                 1

Probe F1/N1                1

Manual  Instruction     1

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Nanjing T-bota Scietech Instruments & Equipment Co., Ltd