Roof From The Level Indicator

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WBY-10 roof (Rock) from the indicator monitoring roof strata displacement produced separate instruments that are used to monitor roof displacement monitoring (Rock), and thus avoid the roof (Rock) cave roof. WBY-10 roof (Rock) indicates that the instrument is mainly applied to an abscission layer of bolt and cable anchor supporting tunnel roof and need to be measured displacement of roof working face. Mining engineers and technicians and inspection staff to determine the length of the bolt, tensile strength, is aware of the use of anchors, anchor of rationality and scientific basis of the economy. Product features: friend of roof (Rock) from the indicators of high sensitivity, easy, Visual errors are greatly reduced. Main parameter: hole diameter precision monitoring points range measuring line length measurement range 2 ± 1mm 100mm DIA 27 mm (light basis points); 150mm (based on) 2-3M (light point, drill pipe end position); 5-7m (based on) is 10 metres

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SIT Machinery Co., Ltd.

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6 YRS SIT Machinery Co., Ltd.
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