5M Tape Measure,Abs Measuring Tape,Custom Tape Measure,Tape Measure Measurements HENAN 95 MEASURING TOOLS CO.,LTD. , https://www.95tools.com[Function and use] The buried pipeline leak detector can directly detect the leak position of the underground gas pipeline on the ground, and is the most ideal instrument for leak detection of underground gas pipelines. The instrument is widely used in the safety inspection of gas transmission and distribution pipelines in urban gas, petroleum, petrochemical, oil depot, gas station, oil and gas fields, as well as pipeline maintenance and leakage rescue.