How to use and read a dial caliper correctly ?
1. About Dial Caliper 2. Preparation 3. Taking the measurement 4. Maintenance 1. About Dial Caliper Nowadays, the dial caliper has become considerably more popular than the venire caliper. The reason is simple: compared to the venire caliper, a dial caliper is much easier to use and read. Additionally, compared to the digital calipers, a dial caliper is more durable. The dial caliper features the beam lock, dial, depth rod, dial calibration lock, main scale, two fixed jaws and two moveable jaws. The two upper jaws and the two lower jaws are used to measure inside areas and outside areas respectively. The depth rod can measure the depth of the holes or crevices. The most outstanding feature of it is that a dial indicator mounted on the movable jaw which provides a direct reading in inches or millimeters. Inch-type dial calipers are accurate to 0.001″ while millimeter dial calipers are accurate to 0.02mm or 0.01mm. Metric dial calipers typically measure from 0 to 150mm (6 inch); however,