FNIRSI® DST-201 Portable 3-IN-1 Multimeter Oscilloscope Signal Generator is a versatile handheld testing instrument that combines a True RMS digital multimeter, digital oscilloscope, and signal generator into a single portable device. Featuring a 2.8-inch color display, 10MHz oscilloscope bandwidth, and 13 waveform signal generation, it is ideal for electronics repair, circuit analysis, laboratory work, and field troubleshooting.
FNIRSI® DST-201 Portable 3-IN-1 True RMS Multimeter Datasheet






| Parameter | Value |
|---|---|
| Brand | FNIRSI® |
| Model | DST-201 |
| Product Type | Multimeter, Oscilloscope & Signal Generator |
| Display | 2.8 Inch TFT Color Screen |
| Backlight | Adjustable |
| Power Supply | USB Type-C (5V/1A) |
| Battery Capacity | 3000mAh |
| Language Support | Chinese, English |
| Dimensions | 177.43 × 87.47 × 34.5 mm |
| Weight | 300 g |
| Parameter | Value |
|---|---|
| Sampling Rate | 48MSa/s |
| Analog Bandwidth | 10MHz |
| Input Impedance | 1MΩ |
| Coupling Mode | AC / DC |
| Input Voltage Range (1X Probe) | 80Vpp (±40V) |
| Input Voltage Range (10X Probe) | 800Vpp (±400V) |
| Vertical Sensitivity | 10mV/div ~ 10V/div |
| Time Base Range | 50ns ~ 20s |
| Trigger Mode | Auto / Normal / Single |
| Trigger Type | Rising Edge / Falling Edge |
| Trigger Level | Adjustable |
| Waveform Freeze | Supported |
| Automatic Measurements | Max, Min, Avg, RMS, VPP, Frequency, Period, Duty Cycle |
| Parameter | Value |
|---|---|
| DC Voltage | 1.9999V / 19.999V / 199.99V / 1000V |
| AC Voltage | 1.9999V / 19.999V / 199.99V / 750V |
| DC Current | 19.999mA / 199.99mA / 1.9999A / 9.999A |
| AC Current | 19.999mA / 199.99mA / 1.9999A / 9.999A |
| Resistance | 199.99Ω ~ 19.999MΩ |
| Capacitance | 9.999nF ~ 99.99mF |
| Frequency Measurement | 9.999Hz ~ 9.999MHz |
| Temperature Measurement | -55°C to +1300°C |
| Diode Test | Supported |
| Continuity Test | Supported |
| NCV / LIVE Test | Supported |
| Parameter | Value |
|---|---|
| Output Waveforms | 13 Types |
| Frequency Range | 0 ~ 50kHz |
| Square Wave Duty Cycle | 0 ~ 100% |
| Output Amplitude | 0.1V ~ 3.0V |
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1 x FNIRSI® DST-201 Portable 3-IN-1 Multimeter Oscilloscope Signal Generator
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
If you receive a product damaged during shipment, please notify us within 3 days of receiving the product, supported by proper pictures and a description. Once our support team accepts the return, we will provide a replacement or a complete refund, including the return shipping cost.
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
We don’t accept returns for products damaged due to improper use. Moreover, we don’t accept returns if the ordered product is not suitable for a specific application. Please read the product specifications and datasheet carefully before placing an order. Returns are accepted only within 3 days from the date of delivery.
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For any questions related to shipping, please contact our support team at support@quartzcomponents.com.
Note: The minimum order value for COD orders is ₹500.