FNIRSI S1 Large Screen Digital Display Smart Multimeter

FNIRSI S1 Digital Multimeter is a versatile, compact, and reliable tool for measuring electrical parameters in a wide range of applications, from basic household repairs to professional electronic diagnostics. Here is a detailed technical description:

1. Display:

• Type: LCD with backlight for easy readability in various lighting conditions.
• Digits: Typically 4 to 6 digits, offering high resolution for precise measurements.
• Display Size: Large enough to display multiple measurements.

2. Measurement Functions:

• Voltage:
  • DC Voltage Range: 0 to 600V.
  • AC Voltage Range: 0 to 600V.
• Current:
  • DC Current Range: 0 to 10A.
  • AC Current Range: 0 to 10A.
• Resistance:
  • Range: Up to 40MΩ, providing extensive coverage for various applications.
• Capacitance:
  • Measurement Range: 0.1nF to 100mF.
• Frequency Measurement:
  • Range: 0.1Hz to 10MHz, useful for testing oscillating circuits or AC signals.
• Continuity Testing: Audible buzzer to check circuit connections easily.
• Diode Test: Allows for checking the forward voltage drop of diodes.
• Temperature Measurement: Support for thermocouple probes to measure temperatures.

3. Accuracy:

• High precision, typically with accuracy rates within ±(0.5% to 1% + digits), depending on the function and range used.

4. Safety Ratings:

• Category: CAT III 600V/CAT II 1000V, ensuring safety when working with electrical systems in residential, commercial, and industrial environments.
• Overload Protection: Built-in protection to safeguard the device and user from high voltages or currents.

5. Auto-Range Functionality:

• The multimeter automatically selects the correct range for measurement, making it user-friendly and reducing the likelihood of errors.

6. Input Impedance:

• High input impedance (typically 10MΩ) ensures accurate readings and minimal influence on the circuit being tested.

7. Data Hold:

• This feature allows users to freeze the displayed value, enabling easier recording and review of measurements.

8. Auto Power-Off:

• To conserve battery life, the device powers down automatically after a period of inactivity.

9. Power Supply:

• Powered by 2 x AA batteries, providing long operational life, or rechargeable batteries depending on the model.

10. Build & Design:

• Dimensions: Compact and lightweight, typically around 150mm x 75mm x 30mm.
• Durability: Encased in a rugged plastic housing with rubberized corners for enhanced drop protection.
• Probes: Detachable test probes with safety insulation, typically silicone leads for durability and flexibility.

11. Additional Features:

• Backlight Control: For use in dimly lit areas.
• Non-Contact Voltage Detection (NCV): Allows for detecting live AC voltage without making direct contact with the wires.
• Built-in Stand: Flip-out stand at the back for hands-free operation.

12. Use Cases:

• Suitable for electricians, hobbyists, and technicians who need to measure electrical parameters in electronics, appliances, or industrial settings.

FNIRSI S1 Digital Multimeter is a versatile, feature-rich tool, combining accuracy, safety, and ease of use in a compact design, ideal for a wide range of diagnostic and testing needs.

Package contents:

Multimeter * 1
Temperature probe * 1
USB charging cable * 1
Meter pen * 1
Instruction manual * 1