The AstroAI MUS4KRD Digital Multimeter is a compact smart electrical testing instrument designed for quick and convenient troubleshooting at home, in workshops, and during field maintenance.
It features a 4000-count display with Smart Auto measuring mode, allowing the meter to automatically identify and measure common electrical parameters such as AC/DC voltage, resistance, and continuity. This makes it especially easy to use for beginners, DIY users, technicians, and electricians who need fast basic electrical checks.
The MUS4KRD also supports Non-Contact Voltage NCV detection, enabling users to detect nearby AC voltage without touching exposed conductors with the test probes. A backlit display and built-in flashlight improve visibility when working in darker environments or confined electrical spaces.
Its compact body and durable ABS housing make it suitable for checking household wiring, outlets, switches, batteries, appliances, and basic automotive electrical systems. AstroAI supplies the meter with test leads, batteries, and a storage bag for convenient transport and protection.
Key Features:
• 4000-count digital multimeter
• Smart Auto measuring mode
• Auto-ranging operation
• Measures AC voltage up to 600V
• Measures DC voltage up to 600V
• Resistance measurement function
• Audible continuity testing
• Non-Contact Voltage NCV detection
• Automatically identifies common measurement functions
• Data Hold function
• Backlit LCD display
• Built-in flashlight
• Compact and portable design
• Durable ABS protective housing
• Suitable for home, automotive, electrical, and DIY troubleshooting
• Powered by 2 x AAA batteries
• Test leads and storage bag included