Klein Tools CL900
A rugged 2,000 A AC/DC clamp that gives electricians most of a premium meter’s features at a mid-range price.
Amazon $182.65$182.65
The Klein Tools CL900 is the better clamp meter overall, rated 4.4 to 4.1. The Klein Tools CL900 leads on price, current range and jaw opening. The Fluke 376 FC with iFlex wins on warranty. The Klein Tools CL900 costs $561.34 less ($182.65 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.
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
Which should you buy?
- Choose the Klein Tools CL900 for price ($182.65 vs $743.99), current range (2,000 A through the jaw vs 1,000 A through the jaw) and jaw opening (51 mm jaw vs 34 mm jaw).
- Choose the Fluke 376 FC with iFlex for warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1,000 A and up clamp meter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Klein Tools CL900 | Fluke 376 FC with iFlex |
|---|---|---|
| Overall rating | 4.4/5 | 4.1/5 |
| Current range 15% | 100 2,000 A through the jaw | 77 1,000 A through the jaw |
| DC current 15% | 100 DC current to 2,000 A through the jaw | 100 DC current to 1,000 A through the jaw |
| Safety rating 20% | 100 CAT IV 600 V / CAT III 1,000 V | 100 CAT IV 600 V / CAT III 1,000 V |
| Features 15% | 75 true RMS, inrush, LoZ, non-contact voltage, temperature | 60 true RMS, inrush, low-pass filter, phone app |
| Accuracy 10% | 67 2% of reading | 67 2% of reading |
| Jaw opening 5% | 100 51 mm jaw | 47 34 mm jaw |
| Warranty 10% | 50 2-year warranty | 100 3-year warranty |
| Price 10% | 44 $182.65 | 0 $743.99 |
Specifications
| Klein Tools CL900 | Fluke 376 FC with iFlex | |
|---|---|---|
| Measurement | ||
| AC current (jaw) | 2,000 A | 1,000 A |
| DC current (jaw) | 2,000 A | 1,000 A |
| Flexible probe AC | - | 2,500 A |
| Voltage | 1,000 V | 1,000 V |
| Current accuracy | 2% of reading | 2% of reading |
| Jaw opening | 51 mm | 34 mm |
| Safety | ||
| CAT rating | CAT IV 600 V / CAT III 1,000 V | CAT IV 600 V / CAT III 1,000 V |
| Features | ||
| True RMS | Yes | Yes |
| Inrush | Yes | Yes |
| LoZ mode | Yes | No |
| Non-contact voltage | Yes | No |
| Low-pass filter | No | Yes |
| Temperature | Yes | No |
| Phone app | No | Yes |
| Build | ||
| Weight | 526 g | 395 g |
| Warranty | 2 years | 3 years |