Feature 1. Specially designed head horizontally extends, can measure coronal, tubular and other parts that general hardness cannot be measured. The minimum inner diameter measured is 15mm; 2. Automatic fool type operation, press a key to ge... More

1. DHR-150D Digital Rockwell hardness tester adopts a large-screen LCD display, selects Rockwell hardness scale and plastic Rockwell scale through software; 2. Hardness value automatic calculation and automatic display; 3. Automatic conver... More