Fluke 375 FC vs Klein Tools CL445

Last updated: November 9, 2026

The Fluke 375 FC rates 4.0 among AC/DC clamp meters; the Klein Tools CL445 rates 3.7 among AC only ones. The Klein Tools CL445 costs $334.15 less ($94.85 vs $429).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Fluke 375 FC vs Klein Tools CL445

Scores side by side

These two sit in different type classes (AC/DC and AC only), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.

Factor weightFluke 375 FCKlein Tools CL445
Overall rating4.0/53.7/5
Current range 15%60 600 A through the jaw60 600 A through the jaw
DC current 15%100 DC current to 600 A through the jaw25 DC microamps (600 uA) through the test leads only
Safety rating 20%100 CAT IV 600 V / CAT III 1,000 V100 CAT IV 600 V / CAT III 750 V
Features 15%50 true RMS, inrush, phone app65 true RMS, inrush, non-contact voltage, temperature, DC microamps
Accuracy 10%67 2% of reading67 2% of reading
Jaw opening 5%47 34 mm jaw40 32 mm jaw
Warranty 10%100 3-year warranty50 2-year warranty
Price 10%7 $42972 $94.85

Specifications

Fluke 375 FCKlein Tools CL445
Measurement
AC current (jaw)600 A600 A
DC current (jaw)600 ANo
DC microamps (leads)-600 uA
Flexible probe AC2,500 A-
Voltage1,000 V750 V
Current accuracy2% of reading2% of reading
Jaw opening34 mm32 mm
Safety
CAT ratingCAT IV 600 V / CAT III 1,000 VCAT IV 600 V / CAT III 750 V
Features
True RMSYesYes
InrushYesYes
LoZ modeNoNo
Non-contact voltageNoYes
Low-pass filterNoNo
TemperatureNoYes
Phone appYesNo
Build
Weight395 g357 g
Warranty3 years2 years

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