FNIRSI S1 Smart Digital Multimeter is a compact and intelligent measuring tool designed for professional electricians, electronics engineers, technicians, and DIY users. Featuring a large VA color display, True RMS measurement, automatic identification, NCV detection, rechargeable battery, and intelligent anti-burn protection, this multimeter provides reliable and accurate measurement for AC/DC voltage, resistance, capacitance, frequency, temperature, diode testing, and more. Available in Bangladesh from BDTronics.

FNIRSI S1 Smart Multimeter combines portability, durability, and advanced digital measurement functions in a slim lightweight body suitable for industrial, laboratory, home, and field use. BDTronics offers genuine FNIRSI digital multimeters for electronics and electrical applications in Bangladesh.

Features:

• Large VA color display for clear measurement reading

• Smart automatic function identification

• AC and DC voltage measurement

• True RMS measurement for accurate readings

• Intelligent anti-burning protection design

• Auto range digital multimeter

• NCV non-contact voltage detection

• Live wire detection mode

• Built-in flashlight for low light operation

• Data hold function for convenient reading

• Diode testing support

• Resistance, capacitance, frequency, and temperature measurement

• Rechargeable built-in lithium battery

• USB rechargeable via power bank or computer

• Compact slim portable design

• Durable ABS body construction

• Suitable for electronics repair and electrical maintenance

• Available from BDTronics Bangladesh

Specifications:

• Brand: FNIRSI

• Model: S1

• Display: VA color screen

• Max count: 9999 counts

• Material: ABS

• Security level: CAT III 1000V

• Power supply: 1000mAh rechargeable lithium battery

• Size: 143mm × 75mm × 19mm

• Weight: 135g

AC Voltage Measurement:

• Range: 0V – 1000V

• Resolution:

  • 0–10V: 0.001V

  • 10–100V: 0.01V

  • 100–1000V: 0.1V

  • 1000V: 1V

• Accuracy:

  • ±(0.8%+3)

  • ±(1.2%+3)

DC Voltage Measurement:

• Range: 0V – 1000V

• Resolution:

  • 0–10V: 0.001V

  • 10–100V: 0.01V

  • 100–1000V: 0.1V

  • 1000V: 1V

• Accuracy:

  • ±(0.8%+3)

  • ±(1.2%+3)

Resistance Measurement:

• Range: 0Ω – 100MΩ

• Resolution:

  • 0–1000Ω: 0.1Ω

  • 1k–100kΩ: 0.01kΩ

  • 100k–1000kΩ: 0.1kΩ

  • 1M–100MΩ: 0.01MΩ

• Accuracy:

  • ±(0.8%+3)

  • ±(1.2%+3)

Capacitance Measurement:

• Range: 0nF – 10mF

• Resolution:

  • 0–10nF: 0.001nF

  • 10–100nF: 0.001nF

  • 100–1000nF: 0.1nF

  • 1µF–10µF: 0.001µF

  • 10µF–100µF: 0.01µF

  • 100µF–1000µF: 0.1µF

  • 1mF–10mF: 0.001mF

• Accuracy:

  • ±(4.5%+5)

Frequency Measurement:

• Range: 0Hz – 10MHz

• Resolution:

  • 0–10Hz: 0–10Hz

  • 10–100Hz: 0.01Hz

  • 100–1000Hz: 0.1Hz

  • 1k–10kHz: 0.001kHz

  • 10k–100kHz: 0.01kHz

  • 100k–1000kHz: 0.1kHz

  • 1000kHz–10MHz: 1kHz

• Accuracy:

  • ±(0.1%+3)

Temperature Measurement:

• Celsius:

  • -20°C to 0°C

  • 1°C to 400°C

  • 401°C to 1000°C

• Fahrenheit:

  • -4°F to 32°F

  • 33.8°F to 752°F

• Resolution:

  • 1°C / 1°F

• Accuracy:

  • ±(5%+4)

  • ±(1%+3)

  • ±(2%+5)

Additional Functions:

• Auto power OFF

• NCV induced voltage detection

• Live wire detection

• Built-in buzzer

• Analog bar display

• Low battery indication

• Data hold function

• Auto measurement mode

• Diode testing mode

• Flashlight illumination

Applications:

• Electrical maintenance and troubleshooting

• Electronics repair and testing

• Home appliance servicing

• DIY electronics projects

• Industrial electrical work

• AC/DC voltage testing

• Continuity and resistance testing

• Capacitor and frequency measurement

• Educational laboratory use

Package Includes:

• FNIRSI S1 Smart Digital Multimeter ×1

• Test leads

• Rechargeable built-in battery

• User manual

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