Digital California Bearing Ratio Test Apparatus, Automation Grade: Semi-Automatic

Digital CBR Testing Machine | Tejas Engineering Premium Soil Testing Solution for Accurate CBR Analysis Tejas Engineering introduces the Digital California Bearing Ratio (CBR) Testing Machine, a high-precision instrument designed for the laboratory evaluation of CBR values of highway sub-bases, subgrades, and cohesive soils with particle sizes less than 19 mm (¾"). Engineered for superior performance, this machine is perfect for civil engineering, construction quality control, and material testing applications. Key Features and Benefits High-Capacity Load Frame: Capacity: 50 kN (5000 kgf) robust two-column frame with an adjustable upper cross beam Speeds: Three testing speeds (1.25 mm/min, 1.50 mm/min, 2.5 mm/min) for versatile testing Advanced Digital Display: Real-time monitoring of load, flow, and loading speed Digital LCD with backlight for clear visibility in all lighting conditions Peak load retention until reset for ease of data recording High Accuracy Measurements: Flow Value: Least count of 0.01 mm with 1% accuracy Load Value: Least count of 0.1 kg / 0.001 kN with 1% accuracy User-Friendly Software Integration: Seamless PC interface for live data acquisition and real-time graph plotting Efficient tare system to eliminate initial load errors Complete Set of Accessories Three-Speed Load Frame: 50 kN (5000 kgf) capacity with adjustable cross beam Standard CBR Mould: 150 mm ID x 175 mm height Perforated Base Plate: Designed for optimal drainage during testing Extension Collar: 150 mm ID x 50 mm height for accurate sample preparation Penetration Piston: 50 mm face diameter for precise penetration testing Adjustable Bracket: For accurate placement of the penetration dial gauge Circular Metal Spacer Disc: 148 mm diameter x 47.7 mm height with detachable handle Annular Metal Weights: 2.5 kg solid metal weight (147 mm dia. with 53 mm central hole) 2.5 kg perforated metal weight for controlled loading Perforated Plate: 148 mm diameter with adjustable stem and lock nut for secure placement Metal Tripod Stand: For stable dial gauge positioning Cutting Collar: For sample trimming and preparation Manual Compaction Rammers: 2.6 kg with 310 mm controlled drop 4.9 kg with 450 mm controlled drop S-Type Load Cell: 50 kN capacity for accurate load measurement LVDT (Optional): 25 mm travel with 0.01 mm least count for precise displacement measurement Applications Soil Strength Analysis: Ideal for determining the strength and bearing capacity of subgrade soils. Highway and Pavement Design: Critical for evaluating the suitability of materials for road construction. Construction Quality Control: Ensures compliance with industry standards in infrastructure projects.