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Joined: May 2008
Posts: 428
Sage
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Sage
Joined: May 2008
Posts: 428
Originally Posted By: mammad
Hye friend,

I doing a safety test for one unit of CO2 laser, modeled QrayFRX. The test standard I used was IEC601-1, and I put under class 1, type BF.

The results that I got was failed. When I refer to the results, the measurement that failed are;

Earth leakage current NC - (limit value=0.5)- (result=1.704mA)
Earth leakage current SFC - (limit value=1.0)- (result=2.627mA)

How come this test can failed, what are the condition that can contributes to it....

I really hope anybody can helping me resolve this matters.,,,
If yours is connected to permanent ac source which is electrically so connected that the connection can only be loosened with the aid of a TOOL then it actually passed the leakage current test (these limits are specifically stated in IEC60601-1 standard). The limits are 5mA (NC) and 10mA (SFC). Hope this answers your query.

Last edited by Roger; 12/01/09 5:43 AM.

Make the impossible POSSIBLE. I know we all can and it is the wisdom to distinguish one from the other.

My blog: http://biomedicalengineeringconsultancy.blogspot.sg/

Joined: Nov 2007
Posts: 117
mammad Offline OP
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Savant
Joined: Nov 2007
Posts: 117
ok geoff... thanks...

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