FNIRSI SmartScope S1 – Intelligent Auto-Ranging Digital Multimeter with Oversized LCD for High-Precision Electrical Testing

Discover the perfect fusion of smart technology, ergonomic design, and professional-grade precision with the FNIRSI SmartScope S1 — a next-gen digital multimeter engineered for today's electrical testing demands. Whether you're a seasoned technician, DIY enthusiast, or electronics learner, this versatile tool is built to make voltage, resistance, and continuity measurements faster, safer, and smarter than ever before.

Unlike traditional multimeters, the SmartScope S1 features smart auto-detection, allowing it to automatically recognize and measure AC/DC voltage, resistance, and continuity without the need to manually rotate a dial. This intelligent function minimizes human error, boosts testing speed, and makes the meter incredibly beginner-friendly — without compromising professional capabilities.

Technical Specifications

Key Features That Set FNIRSI SmartScope S1 Apart

Smart Auto Detection & Ranging

• Automatically detects and switches between AC/DC voltage, resistance, and continuity.

• Eliminates the need for manual selection—perfect for fast, one-handed operation.

Ultra-Large 3.5" Backlit LCD Display

• Crisp, clear, oversized screen with bold digits and easy-to-read icons.

• Ideal for low-light, outdoor, or overhead electrical environments.

True RMS Precision

• Accurately measures complex or irregular AC waveforms.

• Ensures reliable readings on modern electronic equipment, HVAC systems, and power supplies.

Wide Range of Measurements

• Supports AC/DC voltage, resistance (up to 20MΩ), continuity buzzer, diode testing, and live wire detection.

• Ready for diverse electrical and electronic testing tasks.

Built for Safety & Durability

• CAT III 600V-rated with overload protection and insulated test leads.

• Shockproof, flame-retardant ABS housing resists daily wear and rough handling.

Battery Efficient & User-Friendly

• Auto power-off function conserves energy during idle.

• Low battery indicator ensures you're never caught unprepared.

• Lightweight and compact design with rear kickstand for hands-free operation.

Ideal Applications

• Household electrical troubleshooting

• Automotive wiring diagnostics

• Industrial maintenance and control panel testing

• HVAC system calibration

• Circuit board and component-level electronics repair

• Learning tool for students and technical training institutes