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The AVAIN LABS® Coating Thickness Gauge with External Sensor EC-770SE is a precision digital instrument designed for non-destructive measurement of coating and plating thickness on both ferrous and non-ferrous metal substrates. It uses Magnetic Induction technology for ferrous materials and Eddy Current technology for non-ferrous materials, making it a versatile solution for industrial inspection, quality control, manufacturing, and laboratory applications.
With a measuring range of 0 to 2000 µm, the EC-770SE provides measurements in both µm and mil units and features memory storage for up to 320 data sets. Its external sensor design allows convenient measurement of coated surfaces with different shapes and geometries.
The EC-770SE Coating Thickness Gauge automatically supports two widely used coating measurement principles:
Ferrous Substrates – Magnetic Induction:
Used for measuring non-magnetic coatings on ferrous metal substrates.
Non-Ferrous Substrates – Eddy Current:
Used for measuring non-conductive coatings or suitable coating systems on non-ferrous metal substrates.
This dual measurement capability makes the instrument suitable for inspecting a wide variety of coated metal surfaces.
The instrument provides a measuring range of 0 to 2000 µm, allowing it to be used for a broad range of coating thickness inspection applications.
The resolution is:
The specified accuracy is ±2.5% + 1 µm.
The EC-770SE provides multiple calibration points to support measurement accuracy across different coating thicknesses. Calibration values include:
Zero – 50 – 100 – 250 – 500 – 1000 µm
This provides flexibility when calibrating the gauge for different measurement requirements.
The minimum measuring area is Ø 6 mm, making the gauge suitable for relatively small coated areas.
The specified minimum curvature radius is:
The minimum substrate thickness is:
The built-in memory can store up to 320 data sets, making the EC-770SE useful for repeated inspections and quality-control applications where measurement records need to be retained.
The AVAIN LABS® EC-770SE Coating Thickness Gauge can be used for:
| Specification | Details |
|---|---|
| Product | Coating Thickness Gauge with External Sensor |
| Model | EC-770SE |
| Testing Principle – Ferrous | Magnetic Induction |
| Testing Principle – Non-Ferrous | Eddy Current |
| Measuring Range | 0 to 2000 µm |
| Resolution | 0.1 µm (0 to 99.9 µm), otherwise 1 µm |
| Accuracy | ±2.5% + 1 µm |
| Test Base | Ferrous and Non-Ferrous |
| Units | µm and mil |
| Memory | 320 data sets |
| Minimum Measuring Area | Ø 6 mm |
| Minimum Curvature Radius – Convex | 5 mm |
| Minimum Curvature Radius – Concave | 25 mm |
| Minimum Substrate Thickness – Ferrous | 0.5 mm |
| Minimum Substrate Thickness – Non-Ferrous | 0.3 mm |
| Calibration | Zero, 50, 100, 250, 500, 1000 µm |
| Power Source | 4 × 1.5 V AAA batteries |
| Dimensions | 120 × 55 × 30 mm |
The AVAIN LABS® EC-770SE Coating Thickness Gauge combines Magnetic Induction and Eddy Current measurement technologies in a compact, practical instrument for non-destructive coating thickness inspection. Its wide 0–2000 µm measuring range, dual substrate compatibility, external sensor, multiple calibration points, and 320-data memory make it suitable for professional inspection and quality-control applications.