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Old 13 March 2017, 11:51 PM   #1
sankim
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Join Date: Mar 2017
Location: Seoul
Posts: 2
What Do My Pressure Test Results Mean?

I had my 116234 pressure tested at private watch repair store on this past weekend. According to the slip they gave me it looks to have been done on a Proofmaster M V2. 10, with the following results:

Test pressure: +3.0 bar
Maximum deformation: +24.48um
Tightness value: +0.2 %/min
Test1 okay

They recommend to visit certified service center because of Tightness value score. Can I know 'Tightness value: +0.2 %/min' and should I go to service center because of this?

Thanks in advance
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Old 14 March 2017, 01:20 PM   #2
terryuk
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Location: france
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Quote:
Originally Posted by sankim View Post
I had my 116234 pressure tested at private watch repair store on this past weekend. According to the slip they gave me it looks to have been done on a Proofmaster M V2. 10, with the following results:

Test pressure: +3.0 bar
Maximum deformation: +24.48um
Tightness value: +0.2 %/min
Test1 okay

They recommend to visit certified service center because of Tightness value score. Can I know 'Tightness value: +0.2 %/min' and should I go to service center because of this?

Thanks in advance
At +3bar pressure, the deflection (deformation) is 24 microns, but it's letting air in slowly, which causes the deflection to reduce slowly at a rate of 0.2% each minute.
In other words it's got a slow leak.
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Old 14 March 2017, 11:32 PM   #3
sankim
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Join Date: Mar 2017
Location: Seoul
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Quote:
Originally Posted by terryuk View Post
At +3bar pressure, the deflection (deformation) is 24 microns, but it's letting air in slowly, which causes the deflection to reduce slowly at a rate of 0.2% each minute.
In other words it's got a slow leak.
Hi terryuk,

Thank you so much for your advice.
I should go to the service center soon..

Have a nice day!
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