Hello comrades! Today I will introduce you to a digital caliper that was purchased from the AliExpress marketplace. From the photos it seems that it has metal parts, but it is not. It is completely plastic. Metal battery only, but about it below. The appearance is familiar to everyone who is familiar with the very name "caliper". A modern caliper has a small LCD screen that displays measured information. You can configure using the blue button (located at the top) in what quantities to show you the measurement in centimeters or inches. In this regard, a universal thing. For example, using this device, you can measure the width or thickness of an object. Now I know that baby juice packaging is 40mm wide. On the reverse side it is written that this is a carbon, that is, plastic, digital caliper with a measurement error of plus or minus 0.1 mm. Great precision in everyday life is not required. The battery used is LR44 (or SR44) 1.5V. One of the most common standards, it is not a problem to find it on sale. The device came from China with the battery already installed. The battery is inserted from the front into a special compartment that can be easily opened and replaced without difficulty. There is a button to turn the device on and off. By the way, the device itself turns on, as soon as you move the slider even a millimeter. There is a button for resetting the readings, that is, resetting the measurement result already shown on the screen. With a caliper, you can measure the internal dimensions of something. For example, now I know that the hole for the LED beam in my wireless mouse is mm. I do not understand why I need this knowledge?...;)) You can also measure depth. For example, the depth of my mug: The thing is definitely useful and in my reviews you will see it again. Good luck!
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