Measurement and Testing Equipment
Measurement and test devices — digital voltmeter-ammeter (0–100V / 0–10A), KWS-V20 USB tester and ZB2L3 / XH-M240 18650 battery capacity testers. Check power supplies, measure current and learn the real capacity of a cell.
Measurement and Testing Equipment — buying guide
What is in this category
4 products: Digital Voltmeter and Ammeter 0-100V / 0-10A, KWS-V20 USB Amperemeter Voltmeter USB Tester, ZB2L3 18650 Lithium Battery Capacity Tester, XH-M240 18650 Lithium Battery Capacity Tester.
How to choose
- See how much current a device draws → USB tester (phone, Arduino, ESP32 over USB).
- Panel-mounted readout → voltmeter-ammeter module (power supplies, bench PSU).
- Which of your old 18650 cells are still good → capacity tester (shows mAh).
Compatibility
The voltmeter module runs from 4.5–30V; the testers need no separate supply.
Ordering and delivery
All products are in stock in Baku — price and availability are shown live on each product page. Order on the website or in the mobile app; our operator will contact you to confirm payment and delivery within Baku. Wiring diagrams and code examples are in the edu.embedded.az lessons.
