Fluke 902 FC
#2 in AC onlyFull review
An HVAC technician’s clamp from Fluke with flame-rod microamps, temperature and a phone app.
Amazon $329.97$329.97
The Fluke 902 FC is the better clamp meter overall, rated 3.5 to 3.1. The Fluke 902 FC leads on warranty, safety rating and DC current. The Extech MA440 wins on price. The Extech MA440 costs $262.98 less ($66.99 vs $329.97).
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.
Extech MA440
#4 in AC onlyFull review
A plain true-RMS AC clamp for electricians and technicians who only need current, voltage and resistance.
Amazon $66.99$66.99
Which should you buy?
- Choose the Fluke 902 FC for warranty (3-year warranty vs 2-year warranty), safety rating (CAT IV 300 V / CAT III 600 V vs CAT III 600 V) and DC current (DC microamps (200 uA) through the test leads only vs no DC current).
- Choose the Extech MA440 for price ($66.99 vs $329.97).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every AC only clamp meter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Fluke 902 FC | Extech MA440 |
|---|---|---|
| Overall rating | 3.5/5 | 3.1/5 |
| Current range 15% | 60 600 A through the jaw | 46 400 A through the jaw |
| DC current 15% | 25 DC microamps (200 uA) through the test leads only | 0 no DC current |
| Safety rating 20% | 75 CAT IV 300 V / CAT III 600 V | 55 CAT III 600 V |
| Features 15% | 50 true RMS, temperature, DC microamps, phone app | 35 true RMS, non-contact voltage |
| Accuracy 10% | 67 2% of reading | 67 2% of reading |
| Jaw opening 5% | 50 jaw opening not published (neutral score used) | 33 30 mm jaw |
| Warranty 10% | 100 3-year warranty | 50 2-year warranty |
| Price 10% | 18 $329.97 | 87 $66.99 |
Specifications
| Fluke 902 FC | Extech MA440 | |
|---|---|---|
| Measurement | ||
| AC current (jaw) | 600 A | 400 A |
| DC current (jaw) | No | No |
| DC microamps (leads) | 200 uA | - |
| Voltage | 600 V | - |
| Current accuracy | 2% of reading | 2% of reading |
| Jaw opening | - | 30 mm |
| Safety | ||
| CAT rating | CAT IV 300 V / CAT III 600 V | CAT III 600 V |
| Features | ||
| True RMS | Yes | Yes |
| Inrush | No | No |
| LoZ mode | No | No |
| Non-contact voltage | No | Yes |
| Low-pass filter | No | No |
| Temperature | Yes | No |
| Phone app | Yes | No |
| Build | ||
| Weight | 419 g | 265 g |
| Warranty | 3 years | 2 years |