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73/77 Digital Multimeters
All-round performers
The model numbers Fluke 73 and 77 are
an important part of Fluke鈥檚 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.
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.
Safety conformance
All inputs on the Fluke 73 are protected
to EN61010-1, CAT II 600V, UL, CSA and
T脺V listed. All inputs on the Fluke 77 are
protected to EN61010-1 CAT III 600V and
CAT II 1000V, UL, CSA and T脺V listed.
Features
Digital display counts
High contrast digital display with large digits
Analog bargraph/segments
Auto and Manual ranging
Automatic Touch Hold
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Audible continuity / diode test
Ergonomic case with integrated holster
鈥淐lassic鈥?design with removable holster
Sleep Mode preserves battery life
EN 61010-1 safety rating
CAT II 600V
73 III
3200
77 III
3200
q
31
q
q
q
q
31
q
q
q
q
q
q
CAT III 600V
CAT II 1000V
Accessories and
Ordering Information
Included Accessories
73 III : TL75 test leads, operator鈥檚 manual,
9V battery (installed) and C70Y holster
77 III : TL75 test leads, operator鈥檚 manual,
9V battery (installed)
Specifications
Function
Voltage DC
Voltage AC
Current DC
Current AC
Resistance
Maximum
600 V
1000 V
600 V
1000 V
10 A
10 A
32 M鈩?/div>
Max. resolution
0.1 mV
0.1 mV
1 mV
1 mV
0.01 mA
0.01 mA
0.1
鈩?/div>
73 III
鹵(0.3% + 1)
鹵(0.2% + 2)
鹵(1.5% + 2)
鹵(2.5% + 2)
鹵(0.5% + 1)
鹵(0.2% + 2)
鹵(1.5% + 2)
鹵(2.5% + 2)
鹵(0.5% + 1)
77 III
鹵(0.3% + 1)
Ordering Information
Fluke 73 III Multimeter
Fluke 77 III Multimeter
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
1
