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

Fluke 70 Series III Digital Multimeters

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 NameDescriptionPrice List
Fluke 73 III Multimeter

Included accessories:

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

ClipsPrice List
AC220AC220 SureGrip™ Alligator Clip SetOn Request
AC280AC280 SureGrip™ Hook ClipsOn Request
AC283AC283 SureGrip™ Pincer ClipsOn Request
AC285AC285 SureGrip™ Alligator Clip SetOn Request
AC87AC87 Heavy Duty Bus Bar Clip SetOn Request
AC89AC89 Heavy Duty Insulation Piercing Test ClipOn Request
BP980BP980 Double Banana Plug KitOn Request
TLK225TLK225 SureGrip™ Master Accessory KitOn Request

Test ProbesPrice List
TL910TL910 Electronic Test ProbesOn Request
TP1TP1 Slim Reach Test Probe (flat blade)On Request
TP2TP2 Slim Reach Test Probe (2 mm)On Request
TP220TP220 SureGrip™ Industrial Test ProbesOn Request
TP4TP4 Slim Reach Test Probe (4 mm)On Request
TP74TP74 Lantern Tip Test ProbesOn Request
TP80TP80 Electronic Test ProbesOn Request
TP912TP912 Replacement Tips for TL910On Request
TP920TP920 Test Probe Adapter KitOn Request

Cases and HolstersPrice List
C100C100 Hard Meter and Accessory CaseOn Request
C1600C1600 Gear Box for Meter and Accessories On Request
C25C25 Soft Meter CaseOn Request
C50C50 Soft Meter CaseOn Request
C510C510 Leather Meter CaseOn Request
C550C550 Tool BagOn Request
C75C75 Accessory CaseOn Request
C800C800 Hard Meter and Accessory CaseOn Request
Fluke MeterCleaner WipesFluke MeterCleaner WipesOn Request

Current clampsPrice List
i1010i1010 AC/DC Current ClampOn Request
i200i200 AC Current ClampOn Request
i200si200s AC Current ClampOn Request
i3000si3000s AC Current ClampOn Request

High Voltage ProbesPrice List
80K-4080K-40 High Voltage ProbeOn Request
80K-680K-6 High Voltage ProbeOn Request

LightsPrice List
L200L200 Probe LightOn Request
L210L210 Probe Light + Probe ExtenderOn Request

Test Leads, Probes and ClipsPrice List
TL80ATL80A Basic Electronic Test Lead SetOn Request

TemperaturePrice List
80T-150UA80T-150U Universal Temperature Probe (for DMMs)On Request

Test LeadsPrice List
H900H900 Test Lead HolderOn Request
TL27TL27 Heavy Duty Test Lead SetOn Request
TL220TL220 SureGrip™ Industrial Test Lead KitOn Request
TL221TL221 SureGrip™ Extension Lead SetOn Request
TL222TL222 SureGrip™ Silicone Test Lead SetOn Request
TL223TL223 SureGrip™ Electrical Test Lead KitOn Request
TL224TL224 SureGrip™ Silicone Test Lead SetOn Request
TL238TL238 SureGrip™ Test Lead Set for High Energy EnvironmentsOn Request
TL40TL40 Retractable Tip Test Lead SetOn Request
TL75TL75 Hard Point Test Lead SetOn Request
TL76TL76 All-in-one Test Lead SetOn Request
TL81ATL81A Deluxe Electronic Test Lead SetOn Request
TL930TL930 Patch Cord Set (60 cm)On Request
TL932TL932 Patch Cord Set (90 cm)On Request
TL935TL935 Patch Cord Kit (60, 90, 120 cm)On Request
TL940TL940 Mini-Hook Test Lead SetOn Request
TL950TL950 Mini-Pincer Test Lead SetOn Request
TL960TL960 Micro-Hook Test Lead SetOn Request
TL970TL970 Hook and Pincer KitOn Request
TLK220TLK-220 EUR SureGrip Industrial Test Lead KitOn Request
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