NEW YORK (Standard&Poor's) Sept. 2, 2009--Standard&Poor's Ratings Services said today that its ratings and outlook on Danaher Corp. (A+/Stable/A-1) are not affected by the company's announcement that it has signed agreements to acquire certain life sciences instrumentation businesses from MDS Inc. (unrated) and Life Technologies Corp. (BBB-/Stable/--) for a total consideration of approximately $1.1 billion. The transactions, which are expected to close in the fourth quarter of 2009, would enhance Danaher's product offering in the medical technologies market, alongside existing businesses such as Radiometer and Leica. Moderate acquisition activity and sustained free cash flow generation over the past few quarters have enabled Danaher to build up its liquidity position and maintain satisfactory credit measures despite weaker