| 规格和标准 |
4-way vertical rectangle, horizontal full circumference, ground ink Control method: Magnetic damper method Vertical point accuracy: within ±1mm at 3m Left and right passage accuracy: within ±2mm at 15m Line exit angle: 130°/Width 360° Length (mm): 206 Width (mm): 126 Accuracy: within ±1mm/7.5m Automatic correction range: ±2° Power supply: 4 x AA alkaline batteries (included) Protection grade : Dust-proof and waterproof design Irradiation line: Vertical line (front, back, right, left), full horizontal circumference, large rectangular line, point (vertical, bottom) Light source:可见光的光半导体激光 波长(NM):第635/点650 直角准确度:90°±(2mm/7.5m) 电源(V):4 AA AA碱电池(v)
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