Mastech M3900 Manual-Ranging Digital Multimeter

Description

The Mastech M3900 is a compact, manual-ranging digital multimeter designed for basic to intermediate electrical measurements. It is used by students, hobbyists, technicians, and DIY users for a variety of tasks.

Key Features

• Multifunctional measurements: Measures AC and DC voltage, AC and DC current, and resistance.
• Diode and transistor tests: Includes functions for testing diodes and the gain (hFE) of bipolar transistors.
• Audible continuity buzzer: An audible buzzer alerts the user to a complete circuit for quick checks.
• Manual ranging: The user must manually select the appropriate measurement range using the rotary dial.
• Display: Features a 3 1/2-digit LCD with a 1999-count display for clear readings.
• Compact and rugged design: Built to be durable for demanding environments and its small size makes it highly portable.
• Safety rating: It has a CAT II 1000V and CAT III 600V safety rating, ensuring safe operation for professionals and enthusiasts alike.
• Overload protection: Provides full overload protection to prevent damage to the device.
• Power: Operates on a single 9V battery.