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This product is discontinued or reclassifiedFluke suggests:
Fluke 77 IV Series Digital Multimeter

Fluke 73/77 Series III Digital Multimeter

 Fluke 73/77
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. 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.

  • 0.3% basic accuracy
  • 3200 count resolution
  • Digital display with analog bargraph
  • Manual and automatic ranging
  • Automatic Touch Hold
  • Resistance, continuity and diode measurements
  • Ergonomic case with integrated protective holster (Fluke 77 III)
  • "Classic" design with removable holster (Fluke 73 III)
  • Sleep mode preserves battery life
  • Lifetime warranty

Safety conformance

73-III: All inputs are protected to EN61010-1 CAT II 600V 77-III: All inputs are protected to EN61010-1 CAT III 600V / CAT II 1000V UL, CSA, TÜV listed

Specifications
Voltage DC
Maximum Voltage:  
 Fluke 73: 600V
 Fluke 77: 1000V
Basic Accuracy:  0.3%
Maximum Resolution:  0.1 mV
Voltage AC
Maximum Voltage:  
 Fluke 73: 600V
 Fluke 77: 1000V
Basic Accuracy:  2%
Maximum Resolution:  1 mV
Current DC
Maximum Current:  10 A
Maximum Resolution:  0.01 mA
Basic Accuracy:  1.5%
Current AC
Maximum Current:  10 A
Maximum Resolution:  0.01 mA
Basic Accuracy:  2.5%
Resistance
Max Resistance:  32 MΩ
Basic Accuracy:  0.5%
Maximum Resolution:  0.1 Ω

Environmental Specifications
Operating Temperature
 0°C to +50°C
Storage Temperature
 -40°C to +60°C
Humidity (Without Condensation)
 0% - 90% (0°C - 35°C)
 0% - 70% (35°C - 50°C)
Operating Altitude
 2000 m

Safety Specifications
Overvoltage category
Fluke 73 III:  EN 61010-1 to 600 V CAT II
Fluke 77 III:  EN 61010-1 to 600 V CAT III/1000V CAT II
Agency Approvals
 UL, CSA, TÜV listed

Mechanical & General Specifications
Size
Fluke 73 III:  166 x 75 x 28 mm
Fluke 77 III:  190 x 89 37 mm
Weight
Fluke 73 III:  340 g
Fluke 77 III:  365 g
Warranty
 Lifetime
Battery Life
Alkaline:  ~2000 hours typical
Shock & Vibration
 Per MIL-T-PRF 28800F Class III
Model NameDescription
Fluke 73 III Multimeter

Included accessories:

  • Installed 9 V battery
  • Separate holster (Fluke 73 III)
  • TL75 Test Leads
  • User Manual
Fluke 77 IIIMultimeter

Clips
AC220AC220 SureGrip™ Alligator Clips
AC280AC280 SureGrip™ Hook Clips
AC283AC283 SureGrip™ Pincer Clips
AC285AC285 SureGripTM Alligator Clips
AC87AC87 Heavy Duty Bus Bar Clip Set
AC89AC89 Heavy Duty Insulation Piercing Test Clip
BP980BP980 Double Banana Plug Kit
TLK225Fluke TLK-225 SureGripTM Master Accessory Set

Test Probes
TP1TP1 Slim Reach Test Probe Set
TP2TP2 Slim Reach Test Probe Set
TP220TP220 SureGrip™ Industrial Test Probes
TP4TP4 Slim Reach Test Probe Set
TP74TP74 Lantern Tip Test Probe Set
TP80TP80 Electronic Test Probe Set
TP912TP912 Replacement Tips for TL910
TP920TP920 Test Probe Adapter Kit

Cases and Holsters
C100C100 Universal Carrying Case
C1600C1600 Gear Box for Meter and Accessories
C50C50 Meter Case
C510C510 Leather Meter Case
C550C550 Tool Bag
C75C75 Accessory Case
C800C800 Meter and Accessory Case
C25C25 Large Soft Case for DMMs
CAMO-C25Camouflage Carrying Case
Fluke MeterCleaner WipesFluke MeterCleaner Wipes

Current Clamps
i1010i1010 AC/DC Current Clamp
i200i200 AC Current Clamp
i200si200s AC Current Clamp
i3000si3000s AC Current Clamp

High Voltage Probes
80K-4080K-40 High Voltage Probe
80K-680K-6 High Voltage Probe

Lights
L200L200 Probe Light
L210L210 Probe Light Kit

Test Leads, Probes and Clips
85RF85RF High Frequency Probe
TL80A

Fluke TL80A Basic Electronic Test Lead Kit Includes:

  • One pair (red, black) each 1 meter long silicone test lead set, alligator clip and probe tip extender
  • C75 soft carrying case
  • One year warranty

Temperature
80T-150UA80T-150U Universal Temperature Probe

Test Leads
TL220

SureGrip™ Industrial Test Lead Set includes:

  • AC220 SureGrip™ Alligator Clip Set
  • TP220 SureGrip™ Industrial Test Probe Set
  • TL224 SureGrip™ Silicone Test Lead Set (straight to right)
  • One year warranty
TL223TL223 Electrical Test Lead Set
TL224TL224 SureGrip™ Insulated Test Leads
TL81ATL81A Deluxe ElectronicTest Lead Kit
H900H900 Test Lead Holder
TL221TL221 SureGripTM Test Lead Extension Kit
TL222TL222 SureGripTM Silicone Insulated Test Leads
TL238TL238 SureGrip™ Test Lead Set for High Energy Environments
TL27TL27 Heavy Duty Test Lead Set
TL40TL40 Retractable Tip Test Lead Set
TL75TL75 Hard Point™ Test Lead Set
TL76TL76 All-in-one Test Lead Set
TL910TL910 Electronic Test Probe Set
TL930TL930 Patch Cord Set (60 cm)
TL932TL932 Patch Cord Set (90 cm)
TL935TL935 Patch Cord Kit (60, 90, 120 cm)
TL940TL940 Mini-Hook Test Lead Set
TL950TL950 Mini-Pincer Test Lead Set
TL960TL960 Micro-Hook Test Lead Set
TL970TL970 Hook and Pincer Kit
TLK220TLK-220 EUR SureGrip Industrial Test Lead Kit
        
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