Rick, lots of heads spinning along with yours on this requirement from your auditor. 

Of course, you would probably really put the individual in a spin to show him/her how to read the standard.  Clause 1.7.3 of J-STD-001D states:

"1.7.3 Appendices
"Appendices to this Standard are not requirements unless separately and specifically required by the applicable contracts, assembly drawing(s), documentation or purchase order."

If such documentation exists, you then got to Appendix B, Clause B-2c.  There are no "shall" words (see clause 1.5) in the appendices. Subclause c. says "Operator selected or rated temperatures of soldering systems at idle/standby SHOULD (my emphasis) be within +/- 15 º C [+/- 27 º F]. 

So unless you have other documented requirements (that would supersede the J-STD001D anyway per 1.7 and 1.7.1) and you measure BOTH ways to satisfy the auditor, there isn't any penalty if your idle temps swing more than +/- 15 º C [+/- 27 º F] because it isn't a hard requirement per J-STD-001D.

Good Luck
Jack

Jack Crawford, IOM
IPC Director Certification and Assembly Technology 
[log in to unmask] 
847-597-2893 
FAX  847-615-5693 
3000 Lakeside Drive, Suite 309 S
Bannockburn, IL, 60015

Rick Thompson wrote:

> We have a customer who is questioning how we audit soldering iron temperatures per J-STD-001D.  All of our monitoring is done in Celsius which is the main unit of measure in the standard. Imperial English (Fahrenheit) is only used as a reference shown in parentheses.  The auditor is insisting that we need to measure in both units, i.e. we have a temperature with a +/- 15C tolerance and we would also need to measure it in degrees F at +/- 27F.
<snip>

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