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Help me understand timegrapher

entacto

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4/9/24
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Dear Expert i need some enlightenment regarding timegrapher, i got reading 227 amplitude tho dealer told me its common with dandong 3235
, yet i also being told by very knowledge person on reddit that at correct angle the amp reads will yield higher

reading 1s/d , amp 227, 0, 52
my understanding its on the low side
its Dandong 3235 submariner 126610

 
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Feefo

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Hi and welcome to RWI! Glad you found your way here.

Here's the info you need:

Please take some time to read the sticky threads in the new members area (all subsections), learn the basic forum rules and get some very good advice in the process. A number of questions has already been answered there, this is just an example:


As a new subscriber, you've already been directed to this thread, please read carefully and look through the linked additional threads:


Another good thread to read to understand where RWI comes from and some fundamentals is this:


Most of the information you need to know to start is there. If you're preparing to buy, read the stickies before ordering. When you're finished, you can continue learning by reading the stickies in all remaining sections. If it's stickied, it's important information.

If you intend to sell, read the sales rules and all stickies in the sales section with particular care and make sure you understand each single rule. Sales rules infraction is taken very seriously here. As a new member you are not eligible to sell. Using the sales section is a privilege, eligibility must be earned, make sure you know and understand how.

For anything else, feel free to reach out to @eBoy or me, we're happy to assist, advise, direct, explain. Don't hesitate.

Don't be afraid to post noob questions in the new members area. In doubt, use the flame free zone. If you feel uncomfortable anywhere in the new members area, please reach out to @eBoy or me. Mutual respect is of utmost importance to us. On the other hand, we're grown-ups and are supposed to be able to deal with a bit of irony, don't take it personally, ever, a bit of irony never harmed anyone. If you laugh at jokes, you'll make friends faster.

This forum is a treasure trove of information and benefits from the engagement of all members who take their time to share their knowledge, help each other out and have some fun. We hope that you'll benefit and enjoy this platform as well as contribute positively to it.

If at any point you feel to contribute also on another level, feel free to pm the boss (trailboss99) to become a supporter and get some little perks with the status (editing rights, for example).

Enjoy the forum.
 

dogwood

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The Dandong 3235 / 3230 should have the lift angle set to 55 degrees (not 52 degrees) on the time grapher in order for the calculated amplitude to be correct. In your QC pictures the lift angle is set to 52 degrees. This will cause the amplitude number on the time grapher to be calculated slightly lower than it actually is. The difference will probably be 10-15 degrees of amplitude. So just add 10-15 to the number you see for amplitude.

To understand what rate, amplitude, and beat error mean, you’ll want to go to the university of YouTube and search for “how to understand the numbers you see on a timegrapher”.
 

entacto

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4/9/24
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The Dandong 3235 / 3230 should have the lift angle set to 55 degrees (not 52 degrees) on the time grapher in order for the calculated amplitude to be correct. In your QC pictures the lift angle is set to 52 degrees. This will cause the amplitude number on the time grapher to be calculated slightly lower than it actually is. The difference will probably be 10-15 degrees of amplitude. So just add 10-15 to the number you see for amplitude.

To understand what rate, amplitude, and beat error mean, you’ll want to go to the university of YouTube and search for “how to understand the numbers you see on a timegrapher”.
Thank you. i appreciated it. I went to university of youtube tried to understand but i'm just lack of confidence.
 

Dave2302

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The Dandong 3235 / 3230 should have the lift angle set to 55 degrees (not 52 degrees) on the time grapher in order for the calculated amplitude to be correct. In your QC pictures the lift angle is set to 52 degrees. This will cause the amplitude number on the time grapher to be calculated slightly lower than it actually is. The difference will probably be 10-15 degrees of amplitude. So just add 10-15 to the number you see for amplitude.

To understand what rate, amplitude, and beat error mean, you’ll want to go to the university of YouTube and search for “how to understand the numbers you see on a timegrapher”.

/\ /\ /\ Exactly this (y)

I went to university of youtube tried to understand but i'm just lack of confidence.

OK, those readings together with incorrect lift angle setting tell me in plain Scottish language ....

"There is fuck all wrong with that !!" ;)
 

entacto

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4/9/24
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/\ /\ /\ Exactly this (y)



OK, those readings together with incorrect lift angle setting tell me in plain Scottish language ....

"There is fuck all wrong with that !!" ;)
2s/d meaning you won't be late for daily work, 227 should be around 240ish at correct angle by whatever it means , bit error guess between A TO B approximately have same distance, 52 is how flat we lay down on the bed . so what do you think professor ?
 

MaximillianGT

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2s/d meaning you won't be late for daily work, 227 should be around 240ish at correct angle by whatever it means , bit error guess between A TO B approximately have same distance, 52 is how flat we lay down on the bed . so what do you think professor ?
I feel sorry for the real users of the timegrapher. This thing is nothing more than a photo prop for you.
 
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Kerbus

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I bought one two years ago and still haven't used it. I did gain a little bit of a general understanding of it. YouTube and reading posts will help I assume.
 
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Dave2302

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so what do you think professor ?

I think you should read the stickies and guides you were given. I am not the professor, that title lies with guys like @dogwood.
All the answers really are on RWI if you search, no one is gonna spoon feed you. We will offer guidance though ....

 

entacto

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I think you should read the stickies and guides you were given. I am not the professor, that title lies with guys like @dogwood.
All the answers really are on RWI if you search, no one is gonna spoon feed you. We will offer guidance though ....

Fair enough but trust me. I read those how to read prior and some on utube. But I'm not simply open wide my jaw asking for information. I'm asking because I'm not as Brilliant as you.
 

Dave2302

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Post edit as I think there may be some kind of language confusion here.
 
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sdiver68

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The Dandong 3235 / 3230 should have the lift angle set to 55 degrees (not 52 degrees) on the time grapher in order for the calculated amplitude to be correct. In your QC pictures the lift angle is set to 52 degrees. This will cause the amplitude number on the time grapher to be calculated slightly lower than it actually is. The difference will probably be 10-15 degrees of amplitude. So just add 10-15 to the number you see for amplitude.

To understand what rate, amplitude, and beat error mean, you’ll want to go to the university of YouTube and search for “how to understand the numbers you see on a timegrapher”.

What is your proof of the correct lift angle being 55 degrees?
 

Kerbus

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One of these days I need to educate myself further about it, I STILL haven’t turned it on to start using it.
 
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Feefo

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If there only was a source inside RWI for this info.....
 
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Kerbus

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I believe I once saw one with a pad in place to prevent scratching the case. If I use mine I'm going to have to make one. I'm not risking scratching mine.
 
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