Features: 1.A portable instrument which can perform on-site hardness test on soft metals in accordance with American Standard ASTM B647. 2.Used to check the result of heat treatment and determine if the mechanical performace of the workpiece is acceptable. 3.Suitable for testing the hardness of aluminium profiles, tubings, sheets and other shapes. 4.Used for testing the with long or heavy workpieces or assemblies inconvenient to be sent to the labs. 5.Ideal for qualification inspection on the production site, for testing aluminum alloys. Specifications: Model: C( used to test aluminum tubings with inner diameter over 6 mm ) Measuring Scope: 0-20HW Accuracy: 0.5HW Weight: 0.5kg Application Range: aluminum alloy Hardness Range: 25-110HRE,58-131HRV Specimen Dimension(mm): Thickness 0.6-8;Inner; diameter(mm) > 6 Standard Accessories: Tester,Standard hardness block, Spare indenter, calibration wrench, Small screwdriver, Carrying case Optional Accessories:Indenter, Standard hardness block, Spare dial head, Calibration wrench, Dial Glass Please click here Please click here Please click here Please click here Please click here Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 1 5.0 out of 5 stars 1 — — — Price $320.00$320.00 $348.00$348.00 $328.00$328.00 $509.00$509.00 $509.00$509.00 Measuring Scope 0-20HW 0-20HW 0-20HW 0-20HW 0-20HW Accuracy: 0.5HW 0.5HW 0.5HW 0.5HW 0.5HW Application Range Aluminum Alloy Aluminum Alloy Aluminum Alloy Brass Brass Hardness Range 25-110HRE,58-131HRV 25-110HRE,58-131HRV 25-110HRE,58-131HRV 63~105HRF 50-90HRB Specimen Dimension(mm) Thickness 0.6-6;Inner; diameter(mm)>10 Thickness 0.6-13; Inner; diameter(mm)>10 Thickness 0.6-8; Inner; diameter(mm) > 6 Thickness:0.6 ~6mm; Diameter (mm): inner diameter > 10mm Thickness 0.6-6;Inner; diameter(mm): >10