| Measurement principle | Eddy Current |
| Measurement range | 0~2000μm |
| margin of error | ±2% |
| Minimum measurement surface | Should be 20mm, each with a radius of 10mm. |
| Minimum radius of curvature | Convex 5mm; Concave 30mm |
| thinnest substrate | 0.05mm |
| probe | 8500 RF NFe 2mm |
| Probe size | 61*28*28mm |
| Probe Weight | 30g |
| IS band | 2.4G Hz |
| Radio transmission range | Max.20m |
| Power Supply | Lithium-ion battery, rechargeable QNi * 8500 host |
| Charging time | 5h |
| Machine size | 61*28*28mm |
| Standards | DIN EN ISO 2808, BS 3900-C5, ASTM D 7091, DIN 50984, BS 5411 (3), ISO 2360, ASTM D 1400 |
| Operating temperature | 0~50℃ |
Warranty days: 90 days
Depending on the environment, frequency and mode of use, the service life of the probe will also be different.