Anchor Bolt Stress Monitor Technical Specifications: Power supply: ① Nominal voltage: DC4.5V ② maximum operating current ≤35mA; measuring range: 0-60Mpa; measurement error: ± 2.5% (FS); detecting the number of channels: 1- 2. Warner Mechanical and Electrical Equipment Co., Ltd. Tai'an City Official Website: http: //www.tahnjd.com basic properties of rocks and rock roadway underground pressure, coal mining work surface mine overburden movement and pressure behavior law, mine pressure observation instruments , Coal Face "three volume" observation, coal mining face other observations, the roadway underground pressure observation, analysis and processing mine pressure observation data Roadway mine pressure control, pressure control coal mining face, coal mining work Roof accident prevention, coal mine rock burst. Digital convergence instrument for measuring the tunnel from small changes in the roadway, caverns and other projects around the country rock in any direction between two points, to assess the stability of Hebei mine pressure observation engineering equipment, research projects and support surrounding rock deformation the law of development of Henan mine pressure observation device to determine the purpose of reasonable support parameters. Convergence has been recognized as one of the measurement must be measured underground engineering measurement projects. Digital Convergence main technical performance: 1, the use of environmental conditions; ① Ambient temperature: 0-40 degrees Celsius; ② Relative humidity: no more than 93% ± 3%; 2, the technical parameters ① Measuring range: 0.5-10m mine pressure observation equipment Price, 0.5-15m, 0.5-20m, 0.5-30m (Please ordering); ② Resolution: 0.01mm ③ measurement accuracy: 0.06mm; ④ significant degree of stability number: within 24 hours not more than 0.01mm; ⑤ Power : 1.55V silver oxide button batteries SR44w1 section; ⑥ Dimensions: 410 * 100 * 35mm; ⑦ Weight: 0.9kg. More about mine pressure observation techniques and equipment required for presentation please login Warner Mechanical and Electrical Equipment Co., Ltd. Tai'an City official website View: www.tahnjd.com mine pressure observation equipment _ _ coal mines Warner electromechanical pressure observation equipment from Tai'an City Mechanical and Electrical Equipment Co., Warner The company offers. Warner Mechanical and Electrical Equipment Co., Ltd. Tai'an City (www.tahnjd.com) strong, credible, in Tai'an, Shandong security equipment industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement Warner innovative ideas will lead into the brilliant electromechanical and you work for a better future!