How do you use a digital caliper to take outside measurements?

How to take outside measurements using a digital caliper

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Wonkee Donkee says: 'When taking measurements, try not to touch the measuring faces of the caliper. Even the smallest amount of oil on your hands can affect the accuracy of your readings.'
Electronic (or digital) calipers are most commonly used to measure outside distances such as width, length or diameter. These distances are measured using the outside measuring faces of the caliper, the lower jaws. Electronic (or digital) calipers are most commonly used to measure outside distances such as width, length or diameter.These distances are measured using the outside measuring faces of the digital caliper, the lower jaws.
Step 1 Hold the object you are measuring in one hand, and tighten the lower jaws around the object by adjusting the thumb screw with your other hand.

Step 1 – Tighten lower jaws around object

Hold the object you are measuring in one hand, and tighten the lower jaws around the object by adjusting the thumb screw with your other hand.

Step 2 Turn the lock screw to tighten the jaws so that you can remove your object and take your reading. Step 3 Read the measured value from the LCD display.

Step 2 – Turn lock screw

Turn the lock screw to tighten the jaws so that you can remove your object and take your reading.

Step 3 – Read measured value

Read the measured value from the LCD display.