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How to replace batteries in a digital caliper

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The battery in a digital caliper can usually be found behind a battery door on the front of the tool. The battery in a digital caliper can usually be found behind a battery door on the front of the tool.
Some calipers require the use of a screw driver. The battery door is secured in place by a screw on the back of the caliper, which needs to be loosened. Some calipers require the use of a screw driver.

The battery door is secured in place by a screw on the back of the caliper, which needs to be loosened.

The battery in other calipers can be accessed by sliding the battery door either upwards or downwards (depending on the caliper) until it clicks out of place. The battery in other calipers can be accessed by sliding the battery door either upwards or downwards (depending on the caliper) until it clicks out of place.
After you have removed the old battery, replace it with a new one with the positive side up. Then snap the cover back into place or secure it by replacing the screw you removed previously. After you have removed the old battery, replace it with a new one with the positive side up.

Then snap the cover back into place or secure it by replacing the screw you removed previously.