Genuine FNIRSI DST-210 Multifunction 10Mhz Oscilloscope Multimeter Signal Generator is a powerful all-in-one electronic testing instrument designed for engineers, technicians, students, and electronics repair professionals. The FNIRSI 210 model combines a high-speed digital oscilloscope, precision multimeter, and multi-waveform signal generator into one compact handheld device. With a 48MSa/s sampling rate, 10MHz analog bandwidth, and rich measurement functions, the DST-210 is ideal for circuit debugging, R&D work, maintenance, education, and field testing. Its 2.8-inch TFT color display, rechargeable 3000mAh battery, and portable design make it suitable for both lab and on-site use.

Features:

• High-performance oscilloscope with 48MSa/s sampling rate and 10MHz bandwidth

• Integrated digital multimeter with full measurement functions

• Built-in signal generator supporting 13 waveform types

• 2.8-inch TFT color display with adjustable brightness

• Supports AC/DC coupling and multiple trigger modes

• Voltage protection up to ±400V for safe operation

• Portable handheld design with rechargeable 3000mAh battery

• Up to 15 hours standby time for mobile usage

• USB Type-C charging interface

• Clear waveform display with HOLD and auto measurement

• Suitable for professionals, students, factories, and DIY users

Oscilloscope Specifications

• Model: FNIRSI DST-210

• Sampling Rate: 48MSa/s

• Analog Bandwidth: 10MHz

• Input Impedance: 1MΩ

• Coupling Mode: AC / DC

• Test Voltage Range:

  • 1:1 Probe: 80Vpp (±40V)

  • 10:1 Probe: 800Vpp (±400V)

• Vertical Sensitivity: 10mV/div ~ 10V/div (×1)

• Vertical Offset: Adjustable with indicator

• Horizontal Time Base: 50ns ~ 20s

• Trigger Modes: Auto / Normal / Single

• Trigger Types: Rising edge, Falling edge

• Trigger Level: Adjustable

• Waveform Freeze: Supported (HOLD function)

• Automatic Measurements: Max, Min, Avg, RMS, Vpp, Frequency, Period, Duty Cycle

Multimeter Specifications

• DC Voltage: 1.9999V / 19.999V / 199.99V / 1000V

• AC Voltage: 1.9999V / 19.999V / 199.99V / 750.0V

• DC Current: 19.999mA / 199.99mA / 1.9999A / 9.999A

• AC Current: 19.999mA / 199.99mA / 1.9999A / 9.999A

• Resistance:

  • 199.99Ω / 1.9999KΩ / 19.999KΩ

  • 199.99KΩ / 1.9999MΩ / 19.999MΩ

• Capacitance:

  • 9.999nF / 99.99nF / 999.9nF

  • 9.999µF / 99.99µF / 999.9µF

  • 9.999mF / 99.99mF

• Frequency Measurement:

  • 9.999Hz to 9.999MHz

• Temperature Measurement:

  • -55°C to 1300°C

  • -67°F to 2372°F

• Diode Test and Continuity Buzzer: Supported

• LIVE Wire Detection (Single Probe AC): Supported

Signal Generator Specifications

• Output Waveforms: 13 waveform types

• Frequency Range: 0 – 50kHz

• Output Amplitude: 0.1V – 3.0V

• Duty Cycle Adjustment: 0–100%

• Adjustable Parameters: Frequency, amplitude, duty cycle

• Supports square, sine, triangle, sawtooth and custom waveforms

Display and Power

• Screen Type: 2.8 inch TFT color display

• Brightness: Adjustable

• Power Supply: USB Type-C (5V / 1A)

• Battery Capacity: 3000mAh rechargeable lithium battery

• Standby Time: Up to 15 hours

• Languages Supported: English, Chinese

• Product Size: Approx. 177.43 × 87.47 × 34.5 mm

• Net Weight: Approx. 300g

How to Use

• Power on the device using the side power button

• Select oscilloscope, multimeter, or signal generator mode from the menu

• Connect probes according to the selected function

• Adjust measurement range, trigger, and parameters using control buttons

• Use HOLD to freeze waveforms or readings

• Recharge using a Type-C cable when battery is low

Application Areas

• Electronics repair and troubleshooting

• Circuit design and testing

• Educational laboratories and training

• Hobby electronics and DIY projects

• Factory maintenance and inspection

• R&D testing and signal analysis

• Power supply and PCB debugging

• Field testing and portable measurements

Safety and Usage Notes

• Do not exceed maximum rated input voltage

• Use proper probe attenuation for high voltage measurements

• Avoid short circuits while testing current

• Charge only with 5V Type-C power source

• Store in a dry and cool environment

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