Digital Multimeter FNIRSI S1 Smart Electrical Tester NCV Measures AC/DC Voltage Resistance Continuity Capacitance Temperature Frequency Diode Live Wire Auto Measurement 9999 Counts TRMS

The FNIRSI S1 Smart Digital Multimeter is a high-precision, intelligent electrical tester designed for professionals and DIY users alike. Equipped with advanced TRMS (True RMS) technology and a large clear display, it delivers reliable and accurate readings across a wide range of measurements.

🔧 Key Features:

• ⚡ Auto & Manual Measurement: Supports AC/DC voltage, resistance, continuity, frequency, capacitance, diode test, and live wire detection with automatic mode switching.

• 🌡️ Temperature Measurement: Built-in temperature sensor and thermocouple for accurate thermal readings.

• 📊 9999 Counts Display: High-resolution backlit screen with real-time digital updates.

• 🧠 Smart NCV Detection: Non-contact voltage detection helps identify live wires safely.

• 🔋 Auto Power-Off & Overload Protection: Energy-saving and secure, ideal for long-term use.

• 🧰 Compact & Durable: Sleek, ergonomic design fits comfortably in hand or toolbox.

✅ Ideal For:

• Electricians, technicians, and field engineers

• Home improvement, circuit diagnostics, automotive repair

• Schools, labs, and DIY electronics hobbyists