Fluke 376 FC with iFlex
The clamp for industrial electricians who need to read large feeders and drives with Fluke support behind it.
Amazon $743.99$743.99
The Fluke 376 FC with iFlex rates 4.1 among 1,000 A and up clamp meters; the Klein Tools CL445 rates 3.7 among AC only ones. The Klein Tools CL445 costs $649.14 less ($94.85 vs $743.99).
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.
Klein Tools CL445
#1 in AC onlyFull review
An HVAC clamp with inrush, flame-sensor microamps and a CAT IV rating at a mid-range price.
Amazon $94.85$94.85
Scores side by side
These two sit in different type classes (1,000 A and up 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 weight | Fluke 376 FC with iFlex | Klein Tools CL445 |
|---|---|---|
| Overall rating | 4.1/5 | 3.7/5 |
| Current range 15% | 77 1,000 A through the jaw | 60 600 A through the jaw |
| DC current 15% | 100 DC current to 1,000 A through the jaw | 25 DC microamps (600 uA) through the test leads only |
| Safety rating 20% | 100 CAT IV 600 V / CAT III 1,000 V | 100 CAT IV 600 V / CAT III 750 V |
| Features 15% | 60 true RMS, inrush, low-pass filter, phone app | 65 true RMS, inrush, non-contact voltage, temperature, DC microamps |
| Accuracy 10% | 67 2% of reading | 67 2% of reading |
| Jaw opening 5% | 47 34 mm jaw | 40 32 mm jaw |
| Warranty 10% | 100 3-year warranty | 50 2-year warranty |
| Price 10% | 0 $743.99 | 72 $94.85 |
Specifications
| Fluke 376 FC with iFlex | Klein Tools CL445 | |
|---|---|---|
| Measurement | ||
| AC current (jaw) | 1,000 A | 600 A |
| DC current (jaw) | 1,000 A | No |
| DC microamps (leads) | - | 600 uA |
| Flexible probe AC | 2,500 A | - |
| Voltage | 1,000 V | 750 V |
| Current accuracy | 2% of reading | 2% of reading |
| Jaw opening | 34 mm | 32 mm |
| Safety | ||
| CAT rating | CAT IV 600 V / CAT III 1,000 V | CAT IV 600 V / CAT III 750 V |
| Features | ||
| True RMS | Yes | Yes |
| Inrush | Yes | Yes |
| LoZ mode | No | No |
| Non-contact voltage | No | Yes |
| Low-pass filter | Yes | No |
| Temperature | No | Yes |
| Phone app | Yes | No |
| Build | ||
| Weight | 395 g | 357 g |
| Warranty | 3 years | 2 years |