
Manual Supplement
Manual Title: 1550C/1555 Calibration Supplement Issue: 2
Print Date: September 2010 Issue Date: 1/15
Revision/Date: Page Count: 1
This supplement contains information necessary to ensure the
accuracy of the above manual.
© 2013-2015 Fluke Corporation. All rights reserved.

1550C/1555 Calibration Manual Supplement
Change #1, 65440, 65598
On page 4, add the following to the Symbols table:
CAT II
CAT III
CAT IV
Conforms to relevant South Korean EMC Standards.
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.
Measurement Category III is applicable to test and measuring circuits
connected to the distribution part of the building’s low-voltage MAINS
installation.
Measurement Category IV is applicable to test and measuring circuits
connected at the source of the building’s low-voltage MAINS installation.
On page 19, under General Specifications, remove the Enclosure Setting, Electromagnetic
Compatibility, Certifications, Safety Compliance and Pollution Degree 2 and add:
IP Rating .................................................... IEC 60529: IP40
Safety ......................................................... IEC 61010-1: 600 V CAT IV / 1000 V CAT III, Pollution Degree 2
Electromagnetic Environment ................. IEC 61326-1: Portable
Electromagnetic Compatibility ................ Applies to use in Korea only. Class A Equipment (Industrial Broadcasting &
Communication Equipment)
This product meets requirements for industrial (Class A) electromagnetic wave
equipment and the seller or user should take notice of it. This equipment is intended for
use in business environments and is not to be used in homes.
Change #2, 110
On page 12, replace Table 6 with:
Table 1. Voltage Measurement Test
Step
1 -38 Vdc Flashing Hazard Beeps 30 V 46 V
2 240 Vac, 60 Hz Flashing Hazard Beeps 202 V 278 V
Voltage Source
Output
UUT Display UUT Tone
UUT Display Limits
Minimum Maximum
1/15 1