The German QNix Nix Fe2mm Thickness Gauge probe is a magnetic induction coating Thickness Gauge, the thickness measurement range is 0~2000 microns, and the Fe2mm Thickness Gauge probe is the supporting probe of QNix7500 anti-corrosion layer Thickness Gauge, with a measurement accuracy of 0-50μm: ≤±1μm, 50-1000μm: ≤±1.5%, 1000-2000μm: ≤±2%.

| Model | Fe-2000 | Fe-5000 | Nfe-2000 | Nfe-5000 | Fe/Nfe-2000 | Fe/Nfe-5000 |
| matrix | iron | iron | Non-iron | Non-iron | Iron/non-ferrous | Iron/non-ferrous |
| Probe form | One/Split | One/Split | One/Split | One/Split | One/Split | One/Split |
| Measuring range | 0~2000μm | 0~5000μm | 0~2000μm | 0~5000μm | 0~2000μm | 0~5000μm |
| Measurement accuracy | 0~1999μm:±(1μm+2%) | 0~1999μm:±(1μm+2%); 2000~5000μm:±3.5% | 0~1999μm:±(1μm+2%) | 0~1999μm:±(1μm+2%); 2000~5000μm:±3.5% | 0~1999μm:±(1μm+2%) | 0~1999μm:±(1μm+2%); 2000~5000μm:±3.5% |
| Minimum measuring surface | Fe:φ25mm;NFe:φ25mm | |||||
| Minimum radius of curvature | Convex φ5mm, concave φ25mm | |||||
| Minimum substrate thickness | Fe:200μm;NFe:50μm | |||||
Air - 《南北潮商城》
丁逸栋 刘朝辉 王飞 贾艺凡 舒心 - 《中国人民解放军后勤工程学院化学与材料工程系》
Qnix
蜈蚣 - 《南北潮商城》