Fluke 27 II, 28 II User Manual

Manual Supplement

Manual Title: 27 II/28 II Users Supplement Issue: 3
Part Number: Web-Only Issue Date: 2/13
Print Date: September 2009 Page Count: 5
Revision/Date: 1, 10/10

This supplement contains information necessary to ensure the accuracy of the
above manual.

© 2010-2013 Fluke Corporation. All rights reserved. 

27 II/28 II Users Manual Supplement

Change #1

On page 2, under Warning, add:

 Measure a known voltage first to make sure that the Product operates correctly.

 Do not exceed the Measurement Category (CAT) rating of the lowest rated individual component

of a Product, probe, or accessory.

On page 5, Table 1, replace CAT III, CAT IV and add CAT II:

CAT III

CAT II

Measurement Category III is applicable to
test and measuring circuits connected to
the distribution part of the building’s low­voltage MAINS installation.
Measurement Category II is applicable to
test and measuring circuits connected
directly to utilization points (socket Outlets
and similar points) of the low–voltage
MAINS installation.

CAT IV

Measurement Category IV is applicable to test and
measuring circuits connected at the source of the
building’s low-voltage MAINS installation.

Change #2, 63409, 64064, 64649

On page 5, add the following to the Symbols Table:



Conforms to relevant South Korean EMC Standards.

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