How to Choose Suitable Coating Thickness Gauge?

I. Coating Thickness Gauge Application (Non destructive testing)

Linshang coating thickness gauge can measure non-magnetic coatings on various magnetic metal substrates (such as steel, iron, etc.) and non-conductive coatings on non-magnetic metal substrates (such as aluminum, copper, zinc, etc.) . It is dual use coating thickness measurement device that use both eddy current and magnetic measuring principle. We provide various coating thickness gauges for the customers based on their industry. If you want to find select the best coating thickness gauge in 2020. Please read the coating thickness measurement information we shared below.

1. Automotive paint meter in car industry

The car surface paint thickness is measured by an automotive paint meter to determine whether the car has been repainted, sheet metal or other repairs. The car is evaluated based on this. The repair position of the used car can be quickly found by using automotive paint meter. Place the car paint meter vertically on the car paint surface, the paint thickness of this position is displayed on the screen immediately. With scientific measured data, the condition of the used car is more intuitive.

2. Coating thickness gauge use in other industries (especially surface treatment industry)

Thickness of anti-corrosion, fire-proof, anti-corrosion, anti-wear, thermal insulation coatings and other materials can be measured by coating thickness gauge, such as paint, coating, ink, anodized layer, electroplated layer, thermal spray coating, etc. Different models of Linshang coating thickness gauges are used in different industries. Some of the examples are listed below:

Linshang coating thickness gauge measure different materials

3. Thickness testing of other materials based on metal

Materials such as film, glass, plastic, rubber, ceramics, enamel can be measured by Linshang coating thickness gauge. (perform zero adjustment with provided zero adjustment plates and test thickness of other non-magnetic metal materials).

II. How to Choose Coating Thickness Gauge?

1. Built-in sensor or an external sensor probe?

• The LS220H coating thickness gauge has integrated probe, which can be operated with one hand. The operation is relatively simple.

• The LS221 and LS225 coating thickness gauges have external probes. The probes of these three coating thickness gauges are connected to the host through a line. The probe is very small and can be placed in a narrow space or used when the measured position is higher or lower. We can use another hand to hold the gauge, so we can easily read the data.

2. Ultra-small size or irregual shaped workpiece? 

• If you want to measure a metal material with a special shape or a small size and a large arc, please choose the LS225 coating thickness gauge.  LS225 plating thickness tester has two probes: F500 and N1500.

  LS225+F500 plating thickness tester is used to measure the coating thickness on ferrous metal substrates. Its coating thickness measuring range is 0.0-500μm. 

  LS225+N1500 plating thickness tester is used to measure the coating thickness on non-ferrous metal substrates. Its coating thickness measuring range is 0.0-1500μm. 

• If the diameter of the material you measure is greater than 25 mm and there is no obvious arc, please choose LS220H and LS221 coating thickness gauges.

3. Large thickness, ordinary coating thickness or ultra-thin coating?

• If you want to measure the thickness of ultra-thin plating layer (<500μm), please choose LS225 plating thickness gauge. 

• If you want to measure the coating thickness within 5000μm (5mm), please choose LS220H or LS221 coating thickness gauges.

III. FAQ about Coating Thickness Gauge

1. What is the measuring principle of coating thickness gauge? What do "Fe" and "NFe" stand for?

• Linshang coating thickness gauge (except LS225 plating thickness gauge) adopts magnetic induction and eddy current principle.

• The coating thickness gauge can automatically recognize "Fe (ferrous)" and "NFe (non- ferrous)" two different metal substrates. It is recommended to use the "Fe (ferrous)" mode for measuring magnetic metal substrates (such as steel, iron) and the "NFe (non- ferrous)" mode for measuring non-magnetic metal substrates (such as aluminum, copper). For the substrate type, you can also select the "Auto" mode. The coating thickness gauge can automatically recognize the substrate type and switch the measurement mode.

2. What is the response speed of Linshang coating thickness gauge?

Linshang coating thickness gauge response speed is very fast compared with other coating thickness gauges on the market. It uses a highly sensitive probe, measurement can be completed in 0.5s. 

3. What are "mil" and "μm"? How to convert the coating thickness gauge unit?

• The terms "mil" and "micron" are units of thickness measurement.

• In the English system, 1 mil = 0.001 inch

• In the metric system, "1 μm" means a micron, 1 μm = 0.001 mm

• To convert Mils to Microns: 1 mil = 25.4 μm