Fluke’s assortment of clamp meters has been engineered to address a wide variety of needs, from routine tasks to specialty projects. The quick-reference chart below offers a brief overview of features most commonly requested by technicians and electricians. Please reach out to your Gresco Account Manager or Gresco Tool & Safety Representative if you need assistance with choosing the best clamp meter for your needs.

ModelsUser GroupsDifferentiating Features
32X family:
323, 324, 325
-Residential/commercial electricians
-HVAC contractors
-Light industrial users
-True-rms ac voltage and current for accurate measurement of non-linear signals
-Fits in pockets due to slim ergonomic design
-Temperature measurement available on 324 and 325
37X family:
373, 374, 375, 376, 381
-Industrial electricians
-Utility and industrial maintenance
-Facility maintenance
-Offers more features, handles higher current measurements
iFlex: Flexible probe measures ac current in tight or crammed spaces; included in 376 and 381; compatible with 374 and 375.
-Offers true-rms plus low-pass filter for testing motors and drives
-MIN MAX, average and inrush recording to capture variation automatically
-381 offers detachable screen (boosts safety), so technician can be 2 places at 1 time; has a rare earth magnet on back
-Ergonomic design fits hands; can be used when wearing protective equipment
Specialty clamps:
365, 360, 902, 35X
-HVAC (902 measures microamps and temperature)
365: detachable jaw clamp
-Detachable jaw permits: easier wire access & easier display viewing
-Built-in flashlight to help ID wires
-Ranges for current are slightly lower than others
-Jaw is smaller, so it fits in tighter spaces
-Includes hanging strap

902: HVAC clamp
-Measures in microamps
-Direct temperature measurement

360: Leakage clamp
-Measures leakage current with 3 mA range
-Resolution: 1µ (accurate)

35X: High current clamp
-For higher currents, up to 2000 A ac+dc, true-rms
-Has a bigger, extra-wide jaw for large conductors that carry higher currents
-Inrush current measurement

Chart courtesy of Fluke®.