Subsurface multi-segment displacement / stratified settlement measurement! Multi-point displacement gauge compatible with casing.
The "PM-100G-□, PM-100GB-□" is a multipoint displacement gauge used for multi-stage rock displacement measurement in large underground caverns such as underground power plants and large slopes associated with dam and road construction. It consists of a conversion section that converts displacement into an electrical signal, an anchor section that can be fixed multi-stage within a borehole, and a wire section that transmits the displacement of the anchor section to the conversion section, allowing for the installation of six measurement points in a φ66mm borehole. The conversion section is detachable and compatible with casing drilling. 【Features】 ■ Casing compatible ■ The sliding resistance of the sensor section is low, allowing for smooth detection movement ■ The tension of the PM-100GB-□ sensor section is approximately five times that of the PM-100G-□ *For more details, please refer to the PDF document or feel free to contact us.
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【Specifications (Excerpt)】 <PM-100G-□> ■Number of Measurement Points (□): 1 to 8 ■Non-linearity: Within ±0.5%R.0 ■Hysteresis: Within ±0.5%R.0 ■Tension in Sensor Section: Approximately 1.0 kgf <PM-100GB-□> ■Number of Measurement Points (□): 1 to 6 ■Non-linearity: Within ±0.7%R.0 ■Hysteresis: Within ±0.7%R.0 ■Tension in Sensor Section: Approximately 5.0 kgf *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■Subsurface multi-stage displacement / stratified settlement measurement *For more details, please refer to the PDF document or feel free to contact us.
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We are professionals in "measuring," engaged in everything from sensor design and manufacturing to measurement services. We are a sensor manufacturer established in 1976, used to detect various behaviors such as rock mass movements, strain and internal stress within concrete, and the settlement and tilting of existing structures near construction sites, ensuring safety during construction and stability after completion when creating large structures like dams, tunnels, bridges, and skyscrapers. Our various sensors provide data to confirm the safety of not only Japan's iconic structures like the Yokohama Bay Bridge, Landmark Tower, and Kansai International Airport but also urban underground infrastructure such as subways and water supply and drainage systems, as well as hydropower plants, radioactive waste facilities, and underground storage facilities located hundreds of meters underground.