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用激光二极管或发光二极管作光源的水准仪在建筑工业中很受欢迎。据说用这种成本低廉的固体器件水准仪来取代具有He-Ne激光器的水准仪有使用方便、价格便宜的优点。尽管在许多应用中,有人还是欢喜用He-Ne激光水准仪,但据报道二极管水准仪的销售份额也很大,并继续在上升。据洛杉矶CLS工业公司的经理卡森(W.Carson)说,二极管水准仪的优点是:功率消耗低,固体结构和可靠性好。该公司以前只生产激光二极管水准仪,直到1981年,公司才开始制造发光二极管水准仪。他说:“目前发光二极管水准仪占公司销售
The use of laser diodes or light-emitting diode light level in the construction industry is very popular. It is said that replacing a level meter with a He-Ne laser with such a low-cost, solid-state device provides the advantages of ease of use and low cost. Although He-Ne laser levels are happier in many applications, diode level sales are also reported to be large and continue to rise. According to W. Carson, manager of CLS Industries in Los Angeles, the advantages of a diode level meter are low power consumption, good solid structure and reliability. The company previously produced only laser diode level, until 1981, the company began manufacturing LED level. He said: ”Currently the LED level accounts for the company sales