Thickness Tester

Eddy Current Thickness Gauge Tester – Doryang

Product description: Dor Yang 211 Eddy Current Thickness Gauge Tester, non-destructive coating measurements on metal surfaces. Features data storage, auto alarms, and compact design.
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Main Functions:

Utilizing the eddy current measurement method, this instrument can non-destructively measure the thickness of non-conductive insulating coatings on non-magnetic metal substrates (such as rubber, plastic, paint, and oxide layers on aluminum, copper, zinc, and tin).

Fully Chinese menu
Two measurement modes
Two working modes
Can store up to 500 measurement values
Data deletion function
Limit settings available
Automatic alarm for out-of-limit measurements
Low battery indicator
Manual and automatic shutdown options

Technical Parameters:

Model	Dor Yang 211
Probe Type	N1
Working Principle	Eddy Current
Measurement Range	0–1250 μm
Minimum Resolution	0.1 μm
Accuracy	One-point calibration: ±(3%H+1)
	Two-point calibration: ±[(1~3%)H+1]
Testing Conditions
Minimum Curvature Radius (mm)	Convex: 1.5, Concave: 9
Minimum Area Diameter (mm)	Φ7
Minimum Critical Thickness (mm)	0.5
Operating Environment
Temperature	0–40℃
Humidity	20%–90%
Power Supply	Two AAA alkaline batteries (1.5V)
Dimensions	150 × 55.5 × 23 mm (main unit)
Weight	F1: 165g, N1: 205g