| Measuring Angle | 60° |
| Measurement range | 0-1000GU |
| Resolution | 0.1GU |
| Repeatability | 0-100GU:±0.2 ;100-1000GU:±0.2% reading |
| Reproducibility | 0-100GU:±0.5 ;100-1000GU:±0.5% reading |
| Error of indication | 0-100GU:±1.5 ;100-1000GU:±1.5% reading |
| Zero error | 0.1GU |
| Measuring aperture | 9mm*15mm |
| Minimum test material size | 28mm(L)*14mm(W) |
| Working temperature | 10℃ ~ 40℃ |
| Storage temperature | -10℃ ~ 60℃ |
| Relative humidity | Less than 85%, no dew |
| Weight | 332g |
| Power supply | Lithium rechargeable battery |
| Dimension | 104mm(L) * 35mm(W) * 60mm(H) |