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25th Oct 2020, 02:35 PM #1
Bought a cheap Chinese Digital Micrometer, here's a bit of a review -
Bought a cheap Chinese Digital Micrometer, here's a bit of a review -
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25th Oct 2020, 06:11 PM #2Most Valued Member
- Join Date
- Jun 2007
- Location
- sydney ( st marys )
- Age
- 64
- Posts
- 4,887
Used for measuring inside tube.
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25th Oct 2020, 06:34 PM #3Golden Member
- Join Date
- Sep 2008
- Location
- Riddells Creek, Vic.
- Posts
- 831
The S shaped tool is used to turn the battery compartment cover I think. The ball anvil can be used to measure the wall thickness of tube etc.
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26th Oct 2020, 09:53 AM #4
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26th Oct 2020, 01:02 PM #5Golden Member
- Join Date
- Apr 2019
- Location
- Adelaide
- Posts
- 589
Given that any standard is only correct at a given temperature, how much could that 25mm standard grow or shrink depending on the temperature? Is it something that needs to be taken into account? A quick online calculator just showed 10 degree C change making a 0.004mm change to 25mm so I think I answered my own question!
What were the analogue micrometers reading on that same standard?
All up it looks to be a great bit of kit and worth buying. Maybe do another review after using it for a bit.
Nice one.
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