| 规格和标准 |
Measurement unit: Angle (°), slope (%), mm/m Length (mm): 600 Height (mm): 62.5 Thickness (mm): 28 Magnetic: Yes Minimum display: 0.05°, 0.08%, 1mm/m Digital display accuracy: ±0.1° or less (0°, 90°) ±0.2° or less (other angles) Bubble tube accuracy: ±1.0mm/m Power supply: 2 x AA alkaline batteries 0°/90° signal sound Self-calibration function Self-calibration function Self-calibration function 0 set function that allows you to set the reference angle
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