... in electric power, railway, petrochemical industry, boiler pressure, steel structure steel manufacturing, metallurgy industry, shipbuilding, aerospace and other fields.Functions ... without hood, can get satisfactory effect of observation.Light and handiness (thick: 46mm, weight:1.28 Kg ... location, width and height) continuous adjustable, sound-light alarm.Bandwidth0.5-15.0MHzDAC and AVG curveAt any ...