Fluke 70 Series III/20 Series III
Digital Multimeters
The tough just got tougher.
R
70 Series III Industrial Meters 20 Series III Electrical Meters with
Rough handling and high
voltage are tough on a
meter. But the new Fluke
70 Series III and 20
Series III take it all in
stride.
They’re built tough
inside and out. With
overvoltage protection to
guard against surges,
and the IEC 1010-1
safety rating to prove it.
They are even protected
against accidentally
measuring voltage with
the knob set on ohms.
Plus the rugged
overmolded plastic case
offers constant protection
no matter how much you
throw it around.
Premium Electrician’s Test Lead Set
3111
Pending
Pending
very easy on you. The
tapered design fits more
easily in your hand,
pocket, and tool box. The
large screen and extra
large characters are easy
to read from a distance.
Plus, there’s easier
access to Fluke’s
patented Touch Hold
mode which automatically
captures the
measurement, beeps, and
locks it on the digital
display for later viewing.
No matter how tough
your job is, the new Fluke
70/20 Series III are even
tougher. And of course,
they’re backed by a
lifetime warranty.
As tough as they are,
the 70/20 Series III are
®
70 Series III Industrial Meters with
Classic Design and Separate Holster
Ordering Information
Fluke Model 70-III Digital Multimeter
Fluke Model 73-III Digital Multimeter
Fluke Model 75-III Digital Multimeter
Fluke Model 77-III Digital Multimeter
Fluke Model 79-III Digital Multimeter
Fluke Model 21-III Digital Multimeter
Fluke Model 23-III Digital Multimeter
Fluke Model 26-III Digital Multimeter
Need Technical Assistance? Call:
1-800-44-FLUKE
Toll-free in the U.S.
(905) 890-7600 in Canada
(425) 356-5500 other countries
For more information to be sent
to you by fax, call:
1-800-FLUKE-FAX
in the U.S. and Canada, or visit
our Website at
http://www.fluke.com
Fluke.
Keeping your world
up and running
.
Fluke’s most popular digital multimeters just got better. Discover why!
(
y)
Features Model 70/73 Model 21/75 Model 23/77 Model 26/79
True-rms ac readings so you get the correct measurement even when harmonics
are present.
Auto range/manual range selection. Meter selects the correct range
automatically. Press Range button to select manual range. Hold down Range
button to return to auto range.
Extremely rugged overmolded case puts your meter in body armor.
Ergonomic styling fits your hand perfectly.
Rugged, durable, removable holster with Flex-Stand™ protects your meter.
Large, high contrast, easy to read display with analog bargraph.
Digital display with analog bargraph.
Automatic Touch-Hold.® Automatic operation triggers meter to capture stable
non-zero readings. Focus attention on test probes; meter beeps when reading is
captured. Available in ac volts, dc volts, and dc mVolts.
Automatic Touch-Hold.® Automatic operation triggers meter to capture stable
non-zero readings. Focus attention on test probes; meter beeps when reading is
captured. Available in all functions.
Changes easily between functions by pressing yellow shift button.
All inputs, ranges and functions protected to 600V CAT III and 1000V CAT II.
Protected from overvoltage transients to 6kV per IEC 1010-1. Meets UL 3111
and IEC 1010 safety standards for 600V CAT III and 1000V CAT II applications.
All inputs, ranges and functions protected to 600V CAT III. Protected from
overvoltage transients to 6kV per IEC 1010-1. Meets UL 3111 and IEC 1010
safety standards for 600V CAT III applications.
All inputs, ranges and functions protected to 600V CAT II. Protected from
overvoltage transients to 4 kV per IEC 1010-1. Meets UL3111 and IEC 1010
safety standards for 600V CAT II applications.
Lifetime Warranty as long as you, the original purchaser, own the products.
Improved format instruction sheets. With separate instruction sheets for each of
15 languages, you’re certain to find one you can read.
Premium Electrician’s Test Lead Set included with 20 Series meters consisting
of extra long silicone test leads, removable test probes, and one black alligator
clip to make convenient ground connections.
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Features Model 70/73 Model 21/75 Model 23/77 Model 26/79
Continuity Beeper
Diode Test
Display Counts 3200 3200 3200 4000
Analog Bargraph
Automatic Touch Hold
Fused Current Inputs
Lead Resistance Compensation
Lo Ohms
True-rms
Premium Electrician’s Test Lead Set (21 only) (23 only) (26 only)
IEC 1010 Rating 600V CAT II 600V CAT III 600V CAT III and 1000V CAT II
Functions Model 70/73 Model 21/75 Model 23/77 Model 26/79
DC Volts
Maximum Voltage 600V 600V 1000V 1000V
Basic Accuracy 0.3% 0.3% 0.3% 0.3%
Maximum Resolution 0.1 mV 0.1 mV 0.1 mV 0.01 mV
AC Volts
Maximum Voltage 600V 600V 1000V 1000V
Basic Accuracy 2% 2% 2% 1.5%
Maximum Resolution 1 mV 1 mV 1 mV 0.1 mV
DC and AC Current
Maximum Amps 10A continuous (73 only) 10A continuous 10A continuous 10A continuous
Maximum Resolution 0.01 mA (73 only) 0.01 mA 0.01 mA 0.001 µA
Resistance
Maximum Resistance
Basic Accuracy 0.5% 0.5% 0.5% 0.4%
Maximum Resolution
Capacitance 0.1 nF to 9,999 µF
Frequency 1 Hz to 20 kHz
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73 onl
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32 MΩ 32 MΩ 32 MΩ 40 MΩ
0.1Ω 0.1Ω 0.1Ω 0.01Ω
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