Changeable NFe Probe Film Thickness Gauge Eddy current Principle

Name: Changeable NFe Probe Film Thickness Gauge Eddy current Principle
Brand: Chongqing Leeb Instrument Co.,Ltd

Price Negotiable

Price: Based on quantity

MOQ: 1 Set

Delivery Time: In 7-10 work days

Brand: LEEB

Product Description

Changeable NFe Probe Film Thickness Gauge Eddy current Principle

High Precision Changeable NFe Probe Coating Thickness Gauge With Plastic Shell

Functions & Features

As the hot-sale item with high quality settled NFe probes,

this equipment(Leeb221) has two measuring methods(continuous methods and single methods) and two working mode(direct mode and batch mode). User can switch off automatically or manually, and set the limit according to the different request.

Technical Parameters

Technical Parameters
Model No.		Leeb221
Measuring principle		NFe
Measuring range (µm)		0~1250μm
Probe		Changeable
Shell		Plastic
Accuracy		±(1~3%H+1) μm; H refers to the thickness of testing piece
Minimum resolution (µm)		0.1μm
Min curvature of the min area (mm)		Convex1.5 Concave9
Diameter of the min area (mm)		Φ7
Critical thickness of substrate (mm)		0.5
Memory		200 groups measured data
Dimensions		1157030mm
Power supply		AAA Alkaline battery
Standard Configuration		Main Machine, 1 probe & substrate, 5 calibration specimens (48.5μm,99.8μm,249μm,513μm,1024μm)
Optional Accessories		Probes,Specimens

Measuring Principle

The instrument adopts eddy current thickness measurement method (NFe Probe):

Measure non-conductive coating on non-magnetic metals substrate (such as paint coatings on enamel, plastic, rubber, copper, aluminum, zinc, tin substrates).
The electromagnetic field is generated by using high-frequency alternating current in the coil. When the probe contacts the cover, an eddy current in the metal substrate is generated and fed back to the coil in the probe, which is obtained by measuring the feedback effect of the coating thickness.

Measuring Conditions

a) The characteristics of substrate

Standard methods for magnetic substrate of magnetic properties and surface roughness should be similar to the magnetic properties and surface roughness of specimens substrate.

For eddy current method, the standard substrate of electrical properties should be similar to the electrical properties of specimens substrate.

b) The thickness of substrate

Check whether the thickness of the substrate is lower than the minimum thickness, if not, can use one of method in 3.3 to calibrate.

c) Edge effect

Should not be in the specimen shape changing places, such as edges, holes, and the place such as Angle measurement.

d) The curvature

Should not be in curved surface measurement of the specimens.

e) Measurement and measured times

Usually as a result of the instrument measurement result is not the same each time, so we must in every area from several measurement results.Coating thickness and surface rough degree of local differences, require at any repeated measurements in a specific area.

f) Surface cleanliness

Before measurement, should remove any attached on the surface of a material, such as dust, grease and corrosion products, but do not remove any covering material.

High quality Equipment Box:

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Chongqing Leeb Instrument Co.,Ltd

Location High&New Technology Industrial Park, Yubei District, Chongqing, China

Contact Person Leeb Team

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