My suggestion follows:-
(1) Surface comparator is sufficient as in your spec must have mentioned about roughness grade Sa 1, Sa2, Sa2.5 or Sa3 which is equivalent to 75-100 micron or what so ever accordingly you can compare.
(2)Dial depth gauge and Testex Replica film for permanent record are available.
(3)In your case Testex Replica film is the normal industrial practice.
Thanks from
Saravanan Mohan
On Fri, Dec 23, 2011 at 1:59 AM, yogeshkumar Kumbhar <kumbharyogeshv@gmail.com> wrote:
Dear Member,Please find attached file profile depth micrometer for measuring microns.On Thu, Dec 22, 2011 at 3:38 PM, Vasantharao <vasantharao@yahoo.in> wrote:
--Dear Experts,I work as inspection Engineer. When i go for Blasting inspection, contractor provided me profile comparator for surface roughness measurement.Contractor do Grit blasting in the shop.I need to measure surface roughness - 75-100 microns Painting system No#1
50-75 microns Painting system No#2
QueriesQ 1: Comparator is enough for surface roughness measurements.Q2: Is any other tools available for roughness measurement?.Q3: What is the normal industry practice.
Pl. provide your valuable suggestions as i'm new for painting activities.
Rao.
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With Best Regard'sYogesh V Kumbhar
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