| Measuring Range | 1.2-220.0mm(Steel)(BE850) 1.00~300.00mm(Steel)(BE860) |
| Accuracy | ±(1%H+0.1)mm |
| Resolution | 0.1mm(for BE850);(>100mm)0.1mm,(<100mm)0.01mm(for BE860) |
| Sound Velocity range | 1000~9999m/s |
| Frequency | 5MHz |
| Operation temperature | 0ºC ~45ºC |
| Sensor operation temperature | Normal:0~60ºC ,High tem.:0~250ºC |
| Minimum limit for tube measuring | Φ10mm probe:Φ20*3mm(steel)(for BE850,BE860);Φ6mm probe:Φ15*2mm(steel)(for BE860) |
| power | 1.5VAAA*3 Batteries |