EXTECH CG204: Coating Thickness Tester

EXTECH CG204: Coating Thickness Tester

Extech CG204: Coating Thickness Tester

The Extech CG204 is a compact, portable coating thickness tester designed for non-destructive measurement on both ferrous and non-ferrous metal substrates. It utilizes dual measurement technology, combining magnetic induction and eddy current methods for accurate readings depending on the material.

With automatic substrate recognition, the meter simplifies the measurement process, and offers single or continuous reading modes, as well as direct and group working modes. It also includes user-programmable high/low alarms and can store up to 400 readings in its internal memory. Ideal for inspection and quality control in automotive, manufacturing, and industrial settings.

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Key Features EXTECH CG204: Coating Thickness Tester 

• Measures coating thickness on ferrous (magnetic) and non-ferrous (non-magnetic) metals

• Automatic recognition of material type (ferrous/non-ferrous)

• Dual measurement principles: Magnetic Induction and Eddy Current

• Supports single and continuous measurement modes

• Offers direct and group working modes for data categorization

• 400-reading internal memory with recall function

• User-settable high/low alarms for fast quality checks

• USB interface with included PC software for data analysis and reporting

• Compact and durable design suitable for field and lab use

• Supplied with full calibration kit, software, and pouch case

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Specifications

• Coating Thickness Range: 0 to 1250 µm (0 to 49 mils) for both ferrous and non-ferrous materials

• Accuracy: ±3% for both types

• Resolution: 0.1 µm (0.004 mils)

• Minimum Curvature Radius:

  • Ferrous: 1.5 mm (59.06 mils)

  • Non-Ferrous: 3 mm (118.1 mils)

• Minimum Diameter:

  • Ferrous: 7 mm (275.6 mils)

  • Non-Ferrous: 5 mm (196.9 mils)

• Minimum Substrate Thickness:

  • Ferrous: 0.5 mm (19.69 mils)

  • Non-Ferrous: 0.3 mm (11.81 mils)

• Measurement Principles:

  • Ferrous: Magnetic Induction

  • Non-Ferrous: Eddy Current

• Power Supply: 2 × AAA batteries

• Certifications: CE compliant

• Dimensions: 4.7 × 2.4 × 1.25″ (120 × 60 × 32 mm)

• Weight: 6.17 oz (175 g)

• Warranty: 2 years

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Summary

is an efficient and versatile coating thickness tester featuring dual-technology measurement, 400-data storage, and automatic material recognition. Its compact form, user-friendly interface, and full PC connectivity make it an ideal choice for professionals in inspection, manufacturing, and refinishing industries who need reliable, portable coating thickness analysis.