The Extech MA440 is a handheld digital multimeter featuring a clamp meter, suitable for voltage and current measurements up to CAT III 600 V. Designed for precise readings, it provides 4000 display counts, making it ideal for various electrical testing applications. Common uses include serving as a voltage tester, ammeter, and frequency tester in both professional and DIY settings. https://elecena.pl/product/28942460/extech-ma440-multimeter-clamp-meter-400a-true-rms-cat-iii-600v-4000-count 2025-06-12 https://elecena.pl/product/28942460/extech-ma440-multimeter-clamp-meter-400a-true-rms-cat-iii-600v-4000-count 2026-03-20