How to Use FNIRSI DMT-99 Intelligent Digital Multimeter 9999 Counts TRMS, Rechargeable Auto-Ranging💡

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Welcome to a full breakdown of the FNIRSI DMT-99 Multimeter! This "intelligent" digital meter features an eye-catching display, auto-functionality, and a host of unique features like recording and monitoring modes.

Whether you're thinking of buying the FNIRSI DMT-99 or already have one and want to master all its capabilities, this video walks you through every setting, menu, and measurement, including important tips on lead placement and safety.

In This Comprehensive Guide, We Cover: 🛠️
Initial Impressions & General Navigation [00:59]

Understanding Auto-Functionality 🤖: How the meter automatically selects between Volts, Ohms, and other core measurements. [01:37]

Manual Mode & Port Safety ⚠️: Correctly switching between voltage/resistance ports and current (Amp) ports. [02:28]

Volts DC (VDC) & Volts AC (VAC): Polarity considerations and testing household power. [03:39]

Resistance (Ohms) Measurement 🧮: Reading values, understanding Kiloohms (K) and Megaohms (M), and checking resistors. [04:40]

Capacitance Testing 🔋: How to safely measure a capacitor's value (remember to discharge first!). [06:02]

Diode & Continuity Checks 🔊: Testing components and tracking wires using the helpful tone feature. [07:29]

The Relative (REL) Setting ➖: Creating a baseline for differential measurements. [09:38]

Advanced Features: The unique Recording and Monitoring screens for tracking voltage changes over time. [11:40]

Amperage (Current) Measurement ⚡: Safely measuring current by connecting the meter in series with the circuit. [14:42]

Hertz (Frequency) & Non-Contact Voltage (NCV) [18:37]

Final Review on the meter's value for benchtop use versus field work. [19:42]

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Legal Disclaimer 🛑
The information presented in this video is for educational and informational purposes only. The host, Maddox Mechanic, is not responsible for any injury, damage, or loss that may result from the use or misuse of the information contained herein. Electrical work can be dangerous. Always follow all local codes, use proper safety gear (PPE), and consult with a qualified professional or licensed electrician for any complex or critical electrical tasks.