®
73/77 Digital Multimeters
All-round performers
The model numbers Fluke 73 and 77 are
an important part of Fluke’s reputation. In
many years of service they have become
the preferred models for a large number
of professionals. The Fluke 73 and 77
offer exactly the right fit for a wide range
of measurements. They are truly all-
round performers.
Safety conformance
All inputs on the Fluke 73 are protected
to EN61010-1, CAT II 600V, UL, CSA and
TÜV listed. All inputs on the Fluke 77 are
protected to EN61010-1 CAT III 600V and
CAT II 1000V, UL, CSA and TÜV listed.
The 73 III is perfectly suited for many
electronic applications and has the
"classic" 70 series design with removable
holster. The 77 III has all the features
and functions for a wide range of
industrial applications packaged in an
ergonomic case with integrated holster.
Both models come with the unique
lifetime warranty.
Features
73 III
77 III
3200
ꢀ
Digital display counts
3200
High contrast digital display with large digits
Analog bargraph/segments
Auto and Manual ranging
31
ꢀ
ꢀ
ꢀ
31
ꢀ
ꢀ
ꢀ
ꢀ
®
Automatic Touch Hold
Audible continuity / diode test
Ergonomic case with integrated holster
“Classic” design with removable holster
Sleep Mode preserves battery life
EN 61010-1 safety rating
ꢀ
ꢀ
ꢀ
CAT III 600V
CAT II 1000V
CAT II 600V
Accessories and
Ordering Information
Specifications
Included Accessories
73 III : TL75 test leads, operator’s manual,
9V battery (installed) and C70Y holster
77 III : TL75 test leads, operator’s manual,
9V battery (installed)
Function
Maximum
Max. resolution
73 III
77 III
Voltage DC
600 V
1000 V
0.1 mV
0.1 mV
(0.3ꢀ ꢁ 1)
(0.3ꢀ ꢁ 1)
Voltage AC
600 V
1 mV
1 mV
(0.2ꢀ ꢁ 2)
1000 V
(0.2ꢀ ꢁ 2)
(1.5ꢀ ꢁ 2)
(2.5ꢀ ꢁ 2)
(0.5ꢀ ꢁ 1)
Current DC
Current AC
Resistance
10 A
10 A
0.01 mA
0.01 mA
0.1 Ω
(1.5ꢀ ꢁ 2)
(2.5ꢀ ꢁ 2)
(0.5ꢀ ꢁ 1)
Ordering Information
Fluke 73 III Multimeter
Fluke 77 III Multimeter
32 MΩ
Accuracies are best accuracies for each function.
Battery Life: 2000 hours typical
Size (HxWxD): 73 III 166 mm x 75 mm x 28 mm
77 III 190 mm x 89 mm x 37 mm
Weight: 0.34 kg
Lifetime Warranty
10454-ENG Rev. 01