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| Brand | EPK |
|---|---|
| Origin | Germany |
| Model | MiniTest 420 / 430 / 440 |
| Measurement Principle | Pulse-Echo & Echo-Echo (Coating-Compensated) |
| Thickness Range (Pulse-Echo) | 0.65–500 mm |
| Thickness Range (Echo-Echo) | 3–25 mm |
| Resolution | 0.01 mm (<99.99 mm), 0.1 mm (≥100 mm) |
| Sound Velocity Range | 1000–9999 m/s |
| Display | 128 × 64 backlit LCD |
| Dimensions | 130 × 73 × 24 mm (L×W×H) |
| Weight | ~190 g |
| Operating Temperature | –20 °C to +50 °C |
| Battery Life | ≥80 h continuous operation |
| Data Storage | Up to 5,000 readings across 10 user-defined groups |
| Interface | USB for data export and firmware update |
| Compliance | Designed for ISO 2400, ASTM E797, and EN 15317-compliant thickness verification workflows |
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