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This product is discontinued or reclassifiedFluke suggests:
Fluke 373 True-rms AC Clamp Meter

Fluke 333 Clamp Meter

The results you need, faster and more conveniently.

Fluke 333
Fluke 333
Fluke 333
Fluke 333
Take a new look at current measurement

With the striking design of the Fluke 330 Series Clamp Meters, there’s a new way for you make to current measurements. At how you use your tools, and how to get the results you need, faster and more conveniently. The result is a new, ergonomic concept, shaped to fit your hand and to access tight spots easily.

The Fluke 333 Clamp Meter is a functional and well-priced basic model that measures ac amps, ac/dc volts and ohms.

Safety Conformance
IEC 1010-2-032, 600V CAT III

The 333 Clamp Meter features:

  • Three year warranty
  • Measure ac amps, ac/dc volts and ohms
  • Small body and jaws fit perfectly in your hand and into tight places
  • Handy ‘Display Hold’ button keeps measurements on the display
  • Large, backlit display is easy-to-see in less than ideal conditions
  • Meter controls are positioned so current measurements can be done with one hand (index finger on clamp opening lever and thumb on rotary switch)
  • Auto shut-off maximizes battery life so the meter works when you need it
  • Improved low current measurement accuracy for new microprocessor technology

Safety conformance
IEC 1010-2-032, 600V CAT III

What’s the difference between the 330 models?

  Fluke-333 Fluke-334 Fluke-335 Fluke-336 Fluke-337
Measure ac current 400.0 A 600.0 A 600.0 A 600.0 A 999.9 A
Measure ac voltage 600.0 V 600.0 V 600.0 V 600.0 V 600.0 V
Measure continuity ≤ 30 Ω ≤ 30 Ω ≤ 30 Ω ≤ 30 Ω ≤ 30 Ω
Measure dc current       600.0 A 999.9 A
Measure dc voltage 600.0 V 600.0 V 600.0 V 600.0 V 600.0 V
Measure resistance 600.0 Ω 600.0 Ω 600.0 Ω 600.0 Ω 600.0 Ω
Measure inrush   100 mS 100 mS 100 mS 100 mS
Work in poorly lit areas   Backlight Backlight Backlight Backlight
Measure non-linear loads     True-rms True-rms True-rms
Variable speed drives and standby-by power         400.0 Hz
Diameter of measurable conductor 0.12” or 30.5 mm max
Operating temperature -14 to 122ºF (-10 to 50ºC)
Storage Temperature -40 to 140ºF (-40 to 60ºC)
Operating Humidity < 90% @ <30 ºC, < 75% @ 30 to 55ºC
Operating Altitude 0 to 2500 m
IP Rating IP 40
Size 240 x 80 x 44 mm, (9.375 x 3.125 x 1.625 in.)
Weight 310G, (11 oz.)
Vibration Random 2 g, 5 to 500 Hz
Shock 1 meter drop test (except the jaw)
EMI/RFI Meets EN61326-1
Temperature Coefficient 0.01% ºC
(<18? or > 28?)
Power, battery life (2) AA 1.5 V Alkaline, IEC 1010-2-031,150 hours typical Automatic low battery indicator
Warranty Three years for electronics
One year for cable and clamp assembly
Model NameDescription
Fluke 333Clamp Meter

Included accessories:
  • Coated instruction card
  • Safety information sheet
  • Soft carrying case
  • TL75 test leads
  • Two AA Alkaline batteries

AC220AC220 SureGrip™ Alligator Clips
AC285AC285 SureGrip™ Alligator Clips
AC87AC87 Heavy Duty Bus Bar Clip Set
AC89AC89 Heavy Duty Insulation Piercing Test Clip

Test Probes
TP1TP1 Slim Reach Test Probe Set

Cases and Holsters
C1600C1600 Gear Box for Meter and Accessories
C33C33 Soft Carrying Case
C550C550 Tool Bag
Fluke MeterCleaner™ WipesFluke MeterCleaner™ Wipes
Two package sizes are available
  • Six individually packaged wipes in zip-lock bag (MC6)
  • Fifty individual package wipes in a paper box (MC50)
H3H3 Clamp Meter Holster

L206L206 Deluxe LED Hat Light
LVD1LVD1 Volt Light
LVD2LVD2 Volt Light

Test Leads
TL223TL223 Electrical Test Lead Set
TL224TL224 SureGrip™ Insulated Test Leads
TL71TL71 Premium Test Lead Set
TL75TL75 Hard Point™ Test Lead Set
Related Products
 Fluke 373 True-rms AC Clamp Meter »
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