Excellent convergence of the Yamashina the Fenghua brand QT-80 roadway section Meter, Digital the roadway convergence Instrument prices. 27 years of the history of the Yamashina Fenghwa brand professional supply QT-80-type the roadway across convergent instrument digital roadway convergence instrument. Our ground pressure observation instrument production experts advantages: 1. Rapid response: commitment to the fastest time to give you a detailed offer descriptions and product information; commitment to the shortest possible time for you to customize the product you requested quality products and the price: I purchased by manufacturers, big quantitative purchase a variety of raw materials and other measures to reduce the company's costs and to ensure product quality and cheap, and effective integration of scale advantages of direct benefit to the customer. Attentive service: My company sold products to enjoy some of the paid services. Large or long-term cooperation customers can become our VIP customers, enjoy more affordable prices and VIP service. My company's slogan "Because the focus, so professional, I will as always make every company all the hard work of the staff for you to produce quality products. Welcome to the new and old customers to call us. QT-80 roadway section convergence instrument design intent is to measure the roadway in the the then surrounding rock under pressure, contraction of the roadway section (ie the time pressure, the area under the time the amount of deformation). The instrument has a simple, stable and reliable measurement performance, easy to read measurements, measurement accuracy to meet the requirements and reduce the maximum measuring affect the production process of contradictions. The main technical indicators (1) measuring range :0-120 mm; (2) Measurements: spring type scale indicator; (3) measurement accuracy: 0.5.