FNIRSI® CTG-20 Car Paint Coating Thickness Gauge
Brand: FNIRSI
Product Description
The FNIRSI CTG-20 is a high-precision car paint coating thickness gauge designed for fast and non-destructive measurement of paint and coating thickness on metal surfaces. It supports both ferrous and non-ferrous substrates and is widely used for car inspection, paint quality evaluation, and body repair detection. Its compact size, rotatable screen, and data storage make it ideal for professional and personal automotive use.
Technical Specifications
General
- Brand: FNIRSI
- Model: CTG-20
- Measurement Principle: Magnetic induction and eddy current
- Measurement Units: µm / mil
- Measuring Range: 0 – 1400 µm
- Resolution: 0.1 µm
- Accuracy: ±3% + 2 µm
High Sensitivity Probe
The FNIRSI CTG-20 is equipped with a high-sensitivity probe that automatically identifies the substrate material, ensuring fast and accurate coating thickness measurement.
- Automatic substrate identification
- Supports Fe / NFe / Fe+Zn materials
- One-touch measurement operation
- Fast response with results in seconds
Supported Substrates
- Fe – Iron / steel substrates
- NFe – Non-ferrous metals (such as aluminum)
- Fe+Zn – Galvanized steel surfaces
Calibration
- Zero-point calibration: Supported
- Multi-point calibration: Supported
Measurement Capability
- Minimum Convex Curvature Radius: 5 mm
- Minimum Concave Curvature Radius: 25 mm
- Minimum Measurement Area Diameter: 20 mm
Display & Operation
- Display: Digital screen
- Rotatable Screen: Supported
- Data Storage: Supported
- Putty Powder Test: Supported
- Auto Power Off: Supported
Environmental Conditions
- Working Environment: No strong magnetic field
- Working Temperature: −10°C to +50°C
- Humidity: 20% – 90% RH
Power & Physical Specifications
- Battery: 600 mAh lithium battery
- Product Size: 115 × 48 × 18 mm
- Product Weight: Approx. 83 g
Applications
- Used car inspection and valuation
- Detecting repainted or repaired vehicle parts
- Automotive detailing and paint quality control
- Body shop and workshop inspection
- Coating thickness testing on metal surfaces
Product Summary
The FNIRSI CTG-20 delivers accurate and reliable paint thickness measurements in a compact and easy-to-use device. With support for data storage, calibration modes, rotatable display, and wide measurement range, it is an essential tool for automotive professionals, car traders, and inspection specialists.