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Introduction 
The Fluke Calibration 8558A 8 1/2 Digit Multimeter and 8588A Reference 
Multimeter (the Product or Multimeter unless otherwise specified) are for 
demanding and precise measurement applications. The Product functions in 
both stand-alone and systems applications. 8 1/2 digit resolution provides high 
performance and makes the Product well suited for application use in standards 
labs, calibration labs, engineering labs, and systems use. The 8588A includes 
more features and higher performance for the most demanding metrology 
applications. The Products are accurate, stable, fast, and easy to use. 
Safety Information 
General Safety Information is located in the printed Safety Information document 
that shipped with the Product. It can also be found online at www.Flukecal.com. 
More specific safety information is listed where applicable. 
A Warning identifies conditions and procedures that are dangerous to the user. 
A Caution identifies conditions and procedures that can cause damage to the 
Product or the equipment under test. 
Specifications 
Safety specifications are located in the printed Safety Information. Full 
specifications are located online at www.flukecal.com in the 8558A/8588A 
Specifications.