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Mitutoyo Metrology Class: How to Measure Surface Roughness with the Surftest SJ-210
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- čas přidán 13. 10. 2019
- Surface roughness measurement can be tricky, learn how easy it is to do this with the portable Surftest SJ-210. Go to mitutoyo.eu/ to find out more about Mitutoyo’s surface roughness measuring instruments.
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Thanks for sharing 😊
Thanks, this is very nice tutorial
Thank you for the nice feedback!
nicely explained..
Very informative .......
Which model is more feasible for surface profile range from 3 to 5 Mills?
Sir,iI have SJ 210 roughness but I need to check R max ..how to set ?Pls tell
very nicely explained ... even a non skilled person can understand about the device clearly . Great way of explaining. And really useful device.
Thank you! Glad you found it insightful :)
How do you measure spherical surfaces, or corner radii?
I have an SJ 3-10 and I’m getting an OVER RANGE warning on my display? Any advice?
Sir how we can make report can u explain.
Can we operate with PC and get measurements in soft form.
Please describe Ra,Rz like this
What the +/- range from the specimen standard before you press update after you calibrate? I have 115 micro inch standard and after reading it shows sometimes 114.2, 115.6 or 116. What is supposed to be the range before pressing update?
For detailed support on your particular device, please choose your country here and get in contact with your local support team: www.mitutoyo.co.jp/global.html
Nice video, how can I get the users manual? Also my problem is that the stylus does not go back. Thank you
The user manual is usually delivered with the product. When this is not the case, please contact your local Mitutoyo office or dealer. You can find their contact information at www.mitutoyo.eu by changing the country at the top right corner.
Sj-410 calibration and after stylish change settings.
How can we calculate the Q value sir?
how to conver measuring unit to microinch
Plz tell me least count of this instrument .
I have drawing that mention Rmax, i can not get any references related to this value, cannot be convert to micron, can this tools measure the Rmax 5?
The parameter Rmax can be evaluated according to the VDA guideline or the ANSI or JIS standard.
please, how to choose λc on the user manual? can you explain it
Please refer to chapter 7.6 in your user manual for this function.
How do I know the range of Ra value? It is not given in the specifications.
The measurement conditions for Ra must be selected in accordance with EN ISO 4288.
You can check it in our “Quick Guide to Surface Roughness Measurement”, downloadable via mitutoyo.eu/education/education-packs !
I tried to measure dent on a flange face and i get "over range". How can i solve this problem?
Dear Segun,
The result exceeds the measuring range of 360 µm.
Please check your user manual - you will find in the “troubleshooting section” information on how to solve your issue.
Another cool gadget
Glad you like it!
What is difference between- standard, retractable and traverse type ? also 0.75 or 4 mN ? how to diffrentiate and choose the right model ?
Hi! Thanks for your question. We have sent your questions to one of our specialists and here is his answer.
The difference lies in the behavior of the detector.
The standard model, called Surftest SJ-210, has a straight measuring direction.
The transversal type can used to measure for example in a crankshaft by moving the detector in the transverse direction. This model is called Surftest SJ-210S.
The retractable model can be placed at the measuring position so that it does not come into contact with the surface until the start button on the device is pressed. The detector then lowers onto the surface to be measured; this model is called Surftest SJ-210R.
The difference between 0.75 mN and 4 mN meets the requirements of ISO standards.
To select the correct code number, please visit your local Mitutoyo website by selecting your country of residence: mitutoyo.eu/
We tested the master (Ra 2.97) ,but we got only 0.015 micron .How to fix this problem or change any setting on that device.
Please check the correct steps for a stylus calibration in our user manual. You will find therein detail on how to set up the right values, measuring length, cut-off, and how to do a correct stylus calibration.
In addition please check the stylus tip if anything is broken and the calibration reference specimen.
@@MitutoyoEurope kindly send the user manual.
@@ruthranpappusamy9514 Please contact your local Mitutoyo subsidiary for this - if you need assistance locating them, do not hesitate to ask.
Sj210 showing over range please rectify
@ Rajendra Desi Tech
Please check the user manual chapter 16.2.
Possibly causes:
The result exceeds the measuring range.
Solutions:
Properly connect the detector to the drive unit.
Refer to the user manual chapter 3.2.1 “attaching and detaching the detector”.
When the measurement range has been fixed, set it to Auto.
Refer to the user manual chapter 6.5.2 “modifying the measuring range”.
Hi, whenever I try to measure Ra using SJ 210, the detector does not move. Message on the display unit appears as " Returning?". What can go wrong? Tell the solution plz.
It problem in drive unit
We can repair this
What "returning" erorr means? 😶
salut
j'ai un code d'erreur = erreur de limite sur l'écran du mon surftest SJ-210???
Please contact your local Mitutoyo subsidiary for this! You can use the link below to access our Mitutoyo's global portal:
www.mitutoyo.co.jp/global.html
surface tester is not showing date row in red colour if stylus not measuring
Probe Coil problem
Dear sir, thanks for tutorial
I already start but indicator in screen "RETURNING"
Please give me solver
Thanks
Dear Dian,
I am sorry, can you please give some more detail?
What exactly is happening?
At which point during the measurement process does this happen?
@@MitutoyoEurope already finish sir, jack connector not 100 % push
Please tell me about lamda c what is this???
Dear Mohd Salman,
The roughness profile (R-profile) is the profile resulting from electronic high-pass filtering of the primary profile with a cut-off wavelength λc. This process removes the longer wavelength components. The parameters are designated R and evaluated within the evaluation length ln, which generally consist of five sampling lengths lr. The sampling length corresponds to the cut-off wavelength λc of the profile filter. You can get all details for example in the ISO 4287, ISO 4288, ISO 3274.
@@MitutoyoEurope thnxxx sir
How to check number of deavition
For detailed support on your particular device, please choose your country here and get in contact with your local support team: www.mitutoyo.co.jp/global.html
How to switch off this device
Dear Rahil Sharma, please press the [POWER/DATA] key to turn off the power.
Sir, what is the accuracy of instrument....
3%
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