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Posted by koekoek on February 08, 2004 at 00:53:39:
We encountered numerous nuisance trips on a new 30ton/hour Kvaerner/ HDS/Saacke fire tube package boiler. After a number of alterations on the instruments, with little effect, we finally found out some of the instruments(6), in the lockout system, where susceptible to signals of the portable Motorola radios.
Improvements, by the vendor, on the PMV positioners and the earthling resistance, by us, mellowed it but not up to the necessary level. So finally, with success, we wrapped the instruments up with aluminum folio together with about 10 cm of there, in and out, cables.
This cannot be, of course, the final solution.
Could the forum experience help me to a acceptable professional solution?
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