Fluke 789 Operating Manual

Manual Supplement

Manual Title: 789 Users Supplement Issue: 1
Print Date: August 2002 Issue Date: 8/04
Revision/Date: 1, 2/03 Page Count: 4

This supplement contains information necessary to ensure the accuracy of the
above manual. This manual is distributed as an electronic manual on the
following CD-ROM:

CD Title: 789 ProcessMeter
CD Rev. & Date: 1, 2/2003
CD PN: 1636493

© 2004 Fluke Corporation. All rights reserved. Printed in the U.S.A. x

789 Users Manual Supplement

Change #1

On page 2, under Safety Information, replace the first paragraph with the following:

The Meter complies with EN61010-1:2001, ANSI/ISA S82.01-2004, CAN/CSA C22.2 No. 1010-1:2004,
UL61010-1, Measurement Category III, 1000V, Pollution Degree 2 and Measurement Category IV,
600V, Pollution Degree 2.

On page 4, Table 1, replace the CAT III and add the CAT IV:

CAT III IEC Overvoltage Category III

Category III equipment is designed to
protect against transients in
equipment in fixed equipment
installations, such as distribution
panels, feeders and short branch
circuits, and lighting systems in large
building.

8/04 1

CAT IV IEC Overvoltage Category IV

CAT IV equipment is designed
to protect against transients
from the primary supply level,
such as an electricity meter or
an overhead or underground
utility service.