
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.

Manual Supplement 789 Users
On page 5, replace Figure1 with the following:
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9
,QSXW2XWSXW
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anw014f.eps
Figure1. Fluke 789 ProcessMeter
2 8/04

789 Users Manual Supplement
On page 6, replace Figure 2, with the following:
1
A
2
Figure 2. Input/Output Jacks
mA
COM
V
4
3
anw001f.eps
On page 31, replace the Safety specifications with:
Safety:
1:2004, UL61010-1,Measurement Category III, 1000V, Pollution Degree 2 and Measurement Category IV,
600V, Pollution Degree 2.
8/04 3
The Meter complies with, EN61010-1:2001, ANSI/ISA S82.01-2004, CAN/CSA C22.2 No. 1010-

Manual Supplement 789 Users
Change #2
On page 44, under Loop Power Supply,
Replace: Loop Power Supply: Minimum 24 V @ 24 mA in 1200 e load
With: Loop Power Supply: Voltage: 24 V
Short Circuit protected
Change #3
On page 4 and 31, replace the UL, with the following:
! To 61010-1 2
4 8/04
nd
Edition