1 
Introduction 
The Fluke 233 (hereafter the Meter) is a compact and 
easy to operate tool for electrical and electronic circuit 
measurements. 
XWWarning 
Read "Safety Information" before you use the 
Meter. 
How to Contact Fluke 
Use one of the telephone numbers below to speak with a 
Fluke representative: 
Technical Support USA: 1-800-44-FLUKE (1-800-
443-5853) 
Calibration/Repair USA: 1-888-99-FLUKE (1-888-
993-5853) 
Canada: 1-800-36-FLUKE (1-800-363-5853) 
Europe: +31 402-675-200 
Japan: +81-3-3434-0181 
Singapore: +65-738-5655 
Anywhere in the world: +1-425-446-5500 
Or, visit Fluke's website at www.fluke.com
. 
To register your product, visit http://register.fluke.com
. 
To see, print, or download the latest manual supplement, 
visit http://us.fluke.com/usen/support/manuals
.