| 类型 | 红外激光水平仪 | 品牌 | 东成 |
| 型号 | DCA.651 | 激光波长 | 635nm laser diode,floor point 650nm（nm） |
| 90°&plun;0.025°（&plun;1mm/3m) | 电源 | D.5V(AA1.5Vx3） | |
| 外形尺寸 | 118mmX195mm | 重量 | 2.4Kg |
| Model型号 | DCA.680 | DCA.651 |
| Norm规格 | 4V4H1D | 4V1H1D |
| Wavelength波长 | 635nm laser diode,floor point 650nm | |||
| Light Source光源 | ClII/ClIIIA,High power | |||
| Working Range水平和垂直 | &plun;1mm/7m | |||
| Light Source直角 | 90°&plun;0.025°（&plun;1mm/3m) | |||
| Down plummet Accuracy下对点 | &plun;1mm/1m | |||
| Cross Accuracy正交 | &plun;1mm/3m | |||
| Laser Line Width线宽 | 2mm/5m | |||
| Auto-leveling Range自动安平范围 | &plun;3° | |||
| Line Extension Range投射角度 | 110° | |||
| Working Environment工作范围 | Indoor 10m ; Outdoor30-50m | |||
| Power电源 | DC6V（AA1.5Vx4） | D.5V(AA1.5Vx3） | ||
| 固定螺丝接口 | 5/8''x11,ISO standard | |||
| Operating Timeg工作时间 | Approx X5hours | 10hours |
| 固定螺丝接口 | 5/8''x11,ISO standard | |||
| Operating Temperature工作温度 | -10C°-50C° | |||
| Dimensions尺寸 | ¢126mmX200mm | ¢118mmX195mm |
| Weight重量 | 2.5Kg | 2.4Kg |
| Accessories附属配件 | 铝箱 电池 | |||
