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摘要

The RL-H4C self-leveling rotating laser is billed as delivering high performance at an affordable price. In combination with the laser sensor LS-80L, the unit improved its operating range to about 2,620 feet in diameter, which is more than a 100 percent increase. Features include +/-10 arc-seconds horizontal accuracy, +/-5 degrees self-leveling range, longest battery life in its class, AC power operation, single-axis manual slope capability for grade-matching setting, and more.