FDJ-3 is one of the essential metrical instruments for the technical testing department of vehicle safety to calibrate headlight tester.
| Model | FDJ-3 |
| Calibrating item | Optical axis deviation amount of low beam |
| Luminous | -- |
| Deviation from the optical axis | up2°~down2°30′ |
| left2°30′~right2°30′ | |
| Luminous intensity indication error | -- |
| Lumineus intensity repeatability error | -- |
| Luminous intensity stalility | -- |
| Angular error | ±5′ |
| Empty travel error | ±3′ |
| Power | AC (220V±22)V;(50±1)Hz |
| Imension | Box: 230mm×320mm×310mm Tripod: 200mm×200mm×700mm |
| Weight | 16kg |