产品用途Usage
代替传统测量工具，避免恶劣环境的测量危险，提高测量效率，减少测量误差，自动计算及储存测量数据等优点。广泛应用于土建测量、道路施工、桥梁建设、建筑安装、井深探测、电力架设等。

There are many advantages about this product, such as replacing the traditional measurement tools, avoiding test danger in bad circumstances, increasing test efficiency, reducing test error, and calculating and storing test data automatically. It can be widely applied in civil engineering test, road works, bridge construction ,architecture installation,
test well and power construction, etc.

Function
Measure distance directly
Acreage & cubic measurement 
Indirect measurement with Pythagorean 
Continuum and max and min measurement
addition and subtraction of records
Time measurement 
Metric system & british system Switch 
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