| Measurement principle | Magnetic Induction |
| Measurement range | 0~5000μm |
| margin of error | ±2~3.5% |
| Minimum measurement surface | Should be 20mm, each with a radius of 10mm. |
| Minimum radius of curvature | Convex 5mm; Concave 30mm |
| thinnest substrate | 0.2mm |
| probe | 8500 RF Fe 5mm |
| 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, DIN 50981, ISO 2178, BS 5411 (11), BS 3900-C5, ASTM B 499, ASTMD1186, ASTM D 7091 |
| 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.