| Power supply Voltage | AC220V±10% 2A 50HZ |
| Measurement range | 1~48J |
| error of indication | A file: +/- 0.05J; B file: +/- 0.1J; C file: +/- 0.2J; D file: +/- 0.5J (only guaranteed within 20% -80% of the upper limit of measurement of each file) |
| Friction sleeve resistance | <0.25J |
| Number of swing arm swings | > 120 times |
| Angle cone characteristic size | Three base edges length 60 * 60 * 60mm, height (25 +/- 0.7) mm |
| Edge fillet radius | R(1.5±0.1)mm |
| Operating Environment | Temperature 5~ 35 ℃, Relative Humidity does not exceed 85%. |
| Dimension | 800*500*750mm |
| Weight | 110kg |
Warranty days: 365 days