Adafruit Industries Mituroyo Manual

Didital calipers

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Calipers

Created by lady ada

Last updated on 2018-08-22 03:30:41 PM UTC

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Page 1 Calipers Created by lady ada Last updated on 2018-08-22 03:30:41 PM UTC...
Page 2: Table Of Contents
Digital vs. Dial Calipers Storage Battery Life & Replacement Setting the Origin Basic Measurements Outer Measurement Inner Measurement Depth Measurement Step & Relative Measurements Other Measuring Tips Measuring Connector Pitch Measuring Pin-to-Pin Distance © Adafruit Industries https://learn.adafruit.com/calipers Page 2 of 18...
Page 3: Overview
This tutorial is for the Mitutoyo digital calipers we carry in the Adafruit shop (https://adafru.it/aIH). They're the best calipers one can get and we're pleased to offer them. We've put together a basic usage guide here to help people get started. © Adafruit Industries https://learn.adafruit.com/calipers Page 3 of 18...
Page 4: Digital Vs. Dial Calipers
There are some downsides: if they are dropped, the rack and pinion can get out of alignment (especially on cheaper calipers) and it can be difficult to recalibrate. They're a little tougher to read and often are either imperial or metric (but not both). © Adafruit Industries https://learn.adafruit.com/calipers Page 4 of 18...
Page 5 Digital calipers can also easily convert from inches to mm and back which we really like since a lot of electronics is mixed-units. © Adafruit Industries https://learn.adafruit.com/calipers Page 5 of 18...
Page 6 (such as an RC timer or oscillator). Photo from PhysicDude (https://adafru.it/aJ7) This means that if the dielectric changes it can mess up the readings. For this reason, digital calipers can give jumpy © Adafruit Industries https://learn.adafruit.com/calipers Page 6 of 18...
Page 8: Storage
Keep your calipers happy and safe in their box. Even though digital calipers are in many ways more durable than mechanical/dial types, especially with respect to shock, when traveling or storing, keep 'em in the case! © Adafruit Industries https://learn.adafruit.com/calipers...
Page 9: Battery Life & Replacement
To replace the battery, just snap of the top cover, the battery is LR44/SR44 size 1.5V button battery, available in any hardware or grocery store. The Silver Oxide SR44 costs more, but will last longer. © Adafruit Industries https://learn.adafruit.com/calipers Page 9 of 18...
Page 10: Setting The Origin
You should read 0.0mm, if not, check that they're clean and if so, press the origin button. We've never had to do this since they are pre-origin'd at the factory but hey, you never know. © Adafruit Industries https://learn.adafruit.com/calipers Page 10 of 18...
Page 11: Basic Measurements
'angled' measurement that is larger than it should be. I usually take a few measurements and also 'wiggle' the calipers to make sure they are measuring the minimum distance. © Adafruit Industries https://learn.adafruit.com/calipers...
Page 12: Depth Measurement
The last basic measurement is depth, often used for drilled holes. This measurement uses the gauge at the end of the calipers. You'll want to practice how to hold the calipers to push the tapered end piece down while also keeping the tail flat against the work, its a little counter intuitive! © Adafruit Industries https://learn.adafruit.com/calipers Page 12 of 18...
Page 13: Step & Relative Measurements
Step measurements are taken by pressing the 'head' against the bottom of the tin and then lining up the offset movable side so that it presses against the top of the edge. Now zero out the measurement. © Adafruit Industries https://learn.adafruit.com/calipers Page 13 of 18...
Page 14 Variations in the metal thickness may be due to additional thickness from the plating process or the rounded edges interfering with the depth measurement. Taking multiple measurements is always a good idea! © Adafruit Industries https://learn.adafruit.com/calipers Page 14 of 18...
Page 16: Other Measuring Tips
A nice trick you can do with digital calipers is zero'ing out the origin. For example, lets say we have a connector with pins, we want to measure the pin distance. First measure the pin thickness. © Adafruit Industries https://learn.adafruit.com/calipers...
Page 17 Zero it out. Now you can measure on the outer edges of the pins and it will automatically subtract one pin thickness. © Adafruit Industries https://learn.adafruit.com/calipers Page 17 of 18...
Page 18 In this case there are 4 pins, so divide 11.92mm by 3 to get 3.97mm, which we'll round up to 4mm since we know its a metric part. © Adafruit Industries Last Updated: 2018-08-22 03:30:36 PM UTC Page 18 of 18...