Extech EX655
#2 in AC/DCFull review
A well-equipped AC/DC clamp with a three-year warranty, for HVAC and maintenance technicians.
Amazon $173.50$173.50
600 A600 ACAT III 600 V / CAT II 1,000 V
3 Extech products ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size clamp meters here, not third among Extech's own.
Extech makes 2 current clamp meters: 1 AC only and 1 AC/DC. Prices run from $66.99 for the Extech MA440 to $173.50 for the Extech EX655. Its best-rated model in each size: the Extech MA440 (#4 of 8 AC only, rated 3.1) and the Extech EX655 (#2 of 11 AC/DC, rated 3.7).
The Extech ExStik II PH100 is Extech's only current ph meter here, ranked #5 of 13 pen testers and rated 3.6.
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 clamp meters 2
- Extech EX655#2 AC/DCFull review
A well-equipped AC/DC clamp with a three-year warranty, for HVAC and maintenance technicians.
Amazon $173.50$173.50600 A600 ACAT III 600 V / CAT II 1,000 V - Extech MA440#4 AC onlyFull review
A plain true-RMS AC clamp for electricians and technicians who only need current, voltage and resistance.
Amazon $66.99$66.99400 ANoCAT III 600 V
Extech ph meters 1
- Extech ExStik II PH100#5 pen testersFull review
A pen with a flat electrode for checking cheese, meat, paper or wet surfaces as well as liquids.
Amazon $129.50$129.50±0.01 pH-None
