? FNIRSI DST-210 3-in-1 Handheld Digital Oscilloscope, True RMS Multimeter & Signal Generator (All-in-One Portable Testing Tool)

The FNIRSI DST-210 is an advanced 3-in-1 multifunction handheld test instrument that combines the functionality of a digital oscilloscope, a true RMS multimeter, and a high-precision DDS signal generator — making it an ideal portable solution for electronics professionals, repair technicians, and hobbyists.

This compact, lightweight device is designed for on-the-go circuit testing, troubleshooting, and signal analysis, giving you the power and flexibility of a full lab setup in the palm of your hand.

? Key Features & Specifications:

? 3 Powerful Tools in One Device:

1️⃣ Handheld Oscilloscope (Up to 10MHz)

• Real-time waveform visualization

• Auto, normal, and single trigger modes

• Edge trigger detection

• Ideal for embedded systems, circuit repair, and signal monitoring

2️⃣ True RMS Digital Multimeter

• Accurate voltage, current, resistance, and continuity testing

• Diode measurement with beeper

• Auto/manual ranging

• High safety protection & overload alert

3️⃣ DDS Signal Generator

• Built-in waveform generator (sine, square, triangle)

• Adjustable frequency and amplitude

• Useful for input simulation, circuit testing, and waveform tracing