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Extech
Extech CG304 Coating Thickness Meter
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Extech CG304: ferrous/non-ferrous coating thickness meter. RFQ.
Download datasheet PDF
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Key parameters
Accuracy
±(2% + 2 μm); ±3.5% for 1000–2000 μm band (product page)
Display
Dot-matrix LCD with backlight and contrast
Ferrous Range
0 to 2000 μm (0 to 78.7 mils); magnetic induction
Non Ferrous Range
0 to 2000 μm (0 to 78.7 mils); eddy current
Resolution
0.1 μm (0.01 mils)
Memory
2500 readings in 50 groups × 50 readings
Fits paint and plating thickness checks where you need an Extech CG304—dual-technology coating thickness meter for ferrous and non-ferrous substrates used in finishing, inspection, and maintenance work.
Key advantages
- Substrates — Ferrous and non-ferrous coating thickness
- Platform — Extech CG304
- Use — Paint / plating thickness on metal
- Form — Handheld coating thickness meter
- Type — Dual-technology coating gauge
Typical applications
- Paint thickness inspection.
- Plating QC checks.
- Maintenance coating surveys.
Selection guide
- Substrate type
- Calibration foils
- Probe tips
Common mistakes
- Dirty probe tip.
- Wrong substrate mode.
- Measuring on curved edges without care.
When to RFQ / what to tell us
- Accessories.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 41457 |
| Brand | Extech |
| Model | CG304 |
| Product type | Coating Thickness Meter |
| Type | Dual-technology coating thickness meter (CG304) |
| Range | Ferrous and non-ferrous coating thickness measurement |
| Use | Paint / plating thickness on metal substrates |
| Platform | Extech CG304 |
Documents
FAQ
Q: What does it measure? A: Ferrous and non-ferrous coating thickness.
Q: Platform? A: Extech CG304.
Q: What should I send for a quote? A: Quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Accuracy | ±(2% + 2 μm); ±3.5% for 1000–2000 μm band (product page) |
| Display | Dot-matrix LCD with backlight and contrast |
| Ferrous Range | 0 to 2000 μm (0 to 78.7 mils); magnetic induction |
| Non Ferrous Range | 0 to 2000 μm (0 to 78.7 mils); eddy current |
| Resolution | 0.1 μm (0.01 mils) |
| Memory | 2500 readings in 50 groups × 50 readings |
| Connectivity | Bluetooth wireless transfer to PC with included software |
| Min Substrate | Ferrous min thickness 0.5 mm / curvature 1.5 mm / diameter 7 mm; Non-ferrous 0.3 mm / 3 mm / 5 mm |
| Power | 2 × AAA (1.5 V) |
| Dimensions | 4.7 × 2.4 × 1.25 in (120 × 62 × 32 mm) |
| Weight | 6.17 oz (175 g) |
| Certifications | CE |