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Coating Thickness Tester

Extech CG104

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The CG104 is a pocket-sized coating thickness tester which offers quick one-handed operation and non-destructive measurements of the thickness of ferrous and non-ferrous substrates. Its unique reversible display allows you to take readings in challenging angles of area being measured, plus it has an easy-to use menu system and backlit display feature. Built-in memory stores/recalls up to 255 readings. Complete with two AAA batteries, calibration standards (one ferrous plate, one non-ferrous plate and one standard coating plate film), wrist strap and soft case.

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General Specifications
Coating Thickness (Ferrous)
0 to 2000µm (0 to 80.0mils)
Coating Thickness (Ferrous) Basic Accuracy
±4 digits (0 to 7.8mils); ±10 digits (0 to 199µm); ±3% (7.9 to 39.0mils); ±3% (200 to 1000µm); ±5% (39.1 to 80.0mils); ±5% (1001 to 2000µm)
Coating Thickness (Ferrous) Max Resolution
1µm (0.1mils)
Coating Thickness (Non-Ferrous)
0 to 1000µm (0 to 40.0mils)
Coating Thickness (Non-Ferrous) Basic Accuracy
±4 digits (0 to 7.8mils); ±10 digits (0 to 199µm); ±3% (7.9 to 39.0mils); ±3% (200 to 1000µm)
Coating Thickness (Non-Ferrous) Max Resolution
1µm (0.1mils)
Working Principle (Ferrous)
Magnetic Induction
Working Principle (Non-Ferrous)
Eddy Current
Additional Details
4.1 × 2.2 × 1.1" (105 × 55 × 27mm)
2 × AAA (1.5V) batteries
2 years
2.82oz (80g)
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Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech CG104