- Contact Person : Ms. Zheng Zara
- Company Name : Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
- Tel : 86-25-8472 1577 , 8472 1579
- Fax : 86-25-8472 2235
- Address : Jiangsu,Nanjing,Rm. 1001, Huaxia Mansion, No.81 Zhongshan Rd., Nanjing, China
- Country/Region : China
- Zip : 210005
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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