AstroAI AM33B Digital Multimeter 2000 Counts AC DC Voltage DC Current Resistance Continuity Diode Battery Tester

The AstroAI AM33B Digital Multimeter is a compact and practical electrical testing instrument designed for technicians, students, electronics hobbyists, automotive users, homeowners, and general maintenance applications. It features a 2000-count digital display with manual range selection and supports measurement of AC/DC voltage, DC current, and resistance. It also provides audible continuity testing and diode testing, making it suitable for common electrical troubleshooting and electronics work. The AM33B includes dedicated 1.5V, 9V, and 12V battery test modes, making it particularly useful for checking household batteries, automotive electrical systems, electronic devices, and power sources. It also includes Data Hold, a backlit LCD, automatic power-off, and overload indication for convenient everyday operation. Its straightforward rotary selector and compact design make it a good choice for basic electrical measurements, classroom use, DIY electronics, battery testing, appliance troubleshooting, and automotive maintenance. Key Features: • 2000-count digital multimeter • Manual range selection • Measures DC voltage up to 600V • Measures AC voltage up to 600V • Measures DC current up to 10A • Resistance measurement up to 20 MΩ • Dedicated 1.5V battery testing • Dedicated 9V battery testing • Dedicated 12V battery testing • Audible continuity testing • Diode testing function • Data Hold function • Backlit LCD display • Automatic power-off • Overload indication • Sampling rate of approximately 3 readings per second • Compact handheld design • Suitable for automotive, electronics, household, educational, and DIY applications • Powered by 2 x AAA batteries