Buyer's Guide in Comparing Mechanical Indicators and Digital Indicators
As technology continuously advances, indicators changed a lot. And the only major questions were that if it comes with digital display. What kind of the indicators do you need? What kind of function do you require? Also, how accurate do you need?
After checking out the function, most buyers chose to buy Digital Indicators with big and bright display screen. However, the problem is that as technology continuously advances, it's hard to see differences between them. Which one will you choose?
Accurate, Functional, and Expensive: Digital Indicators
Most digital indicators are LCD display screen. This make you get the measure results more easily and accurately. Their technology has been existing for decades already, so it can be very accurate.
A digital indicator comes with several unique features as below: Large, easy-to-read LCD, mm/inch conversion, Zero-setting at any position, Power on/off, etc. There are also the ones has data output. More important is that it can hold measured display values and fast tracing MAX / MIN value during measurement.
Some drawbacks of the digital indicators is that it is not as durable as the mechanical indicators. Most of the covers are made of plastic and they are more easily wear. The life time of the battery usually can only be used for 1 to 2 years. However, the mechanical indicators don need battery at all. So you needn’t to buy battery for the mechanical indicators at all.
Mechanical Indicators
They are displayed with the dial indicators. They are displayed with the count pointer. It will take you more time to get the measuring results because you not only need to read the reading on the main dial, but also need to estimate the reading values of the smaller dial. They are shock proof and inside/outside tolerance indicators. There is also a mounting screw at the back of it. It can be screwed on any item you want to measure. They are made of aluminium shell, so it can provide you lightweight.
Finally, you have to be sure that you'll make a decision between digital indicators and dial indicator with enough information I mind. These two technologies are excellent, but understanding the respective weak and strong points could prevent you to make the wrong choice.
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