Đồng hồ đo độ cứng InstruCon Barcol Impressor GYZJ-934-1
For soft metals such as aluminum and its alloys, brass, copper, and some of the harder plastics and fiberglass. Approximate range 25 to 150 Brinnell (10 mm ball 500 kg load).
Original ASTM-648 Barber Coman Barcol Impressor GYZJ-934-1 Hand-held portable hardness tester manufactured by Barber-Colman. Official barcol impressor scale, for testing of Aluminum Alloys, Soft Metals, Plastics, Fiberglass Sheets, Tanks, Surfaces, Fire Department Ladders, Composite Materials, Rubber of Leather, Laminates, Lead. Beware of fake units.
Original ASTM-648 Barber Coman Barcol Impressor GYZJ-934-1 Hand-held portable hardness tester manufactured by Barber-Colman. Official barcol impressor scale, for testing of Aluminum Alloys, Soft Metals, Plastics, Fiberglass Sheets, Tanks, Surfaces, Fire Department Ladders, Composite Materials, Rubber of Leather, Laminates, Lead. Beware of fake units.