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Models 175, 177 & 179
True RMS Multimeters
The Fluke Model 175, Model 177, and Model 179 are battery-
powered, true-RMS multimeters (hereafter "the Meter") with a
6000-count, 3 3/4-digit display and a bar graph. This manual
applies to all three models. All figures show the Model 179.
These meters meet CAT III and CAT IV IEC 61010 standards.
The IEC 61010 safety standard defines four overvoltage
categories (CAT I to IV) based on the magnitude of danger from
transient impulses. CAT III meters are designed to protect against
transients in fixed-equipment installations at the distribution level;
CAT IV meters are designed to protect against transients from the
primary supply level (overhead or underground utility service).
The Meter measures or tests the following:
♦ AC / DC voltage & current ♦ Diodes
♦ Resistance ♦ Continuity
♦ Voltage & current frequency ♦ Capacitance
♦ Temperature (Model 179 only)
Contacting Fluke
To contact Fluke, call:
1-888-993-5853 in USA
1-800-363-5853 in Canada
+31 402-678-200 in Europe
+81-3-3434-0181 in Japan
+65-738-5655 in Singapore
+1-425-446-5500 from anywhere in the world
Visit Fluke’s web site at: www.fluke.com
Register your Meter at: register.fluke.com
"Warning" and "Caution" Statements
A " Warning" identifies hazardous conditions and actions
that could cause bodily harm or death.
A "Caution" identifies conditions and actions that could damage
the Meter, the equipment under test, or cause permanent loss of
data.
Unsafe Voltage
To alert you to the presence of a potentially hazardous voltage,
when the Meter detects a voltage ≥ 30 V or a voltage overload
(OL), the
Y symbol is displayed.
Test Lead Alert
To remind you to check that the test leads are in the correct
terminals,
LEAd
is momentarily displayed when you move the
rotary switch to or from
the mA or A position.
Warning
Attempting to make a measurement with a test lead in
an incorrect terminal might blow a fuse, damage the
Meter, and cause serious personal injury.