1. Sarrera
The FNIRSI DSO152 is a compact and portable handheld digital oscilloscope designed for various electrical measurement tasks. With a real-time sampling rate of 2.5 MS/s and a 200 KHz bandwidth, it is suitable for both periodic analog signals and aperiodic digital signals. Its user-friendly interface and efficient one-key AUTO setting make it an ideal tool for maintenance, DIY learning, and educational purposes.

Figure 1: FNIRSI DSO152 Oscilloscope and its accessories.
2. Paketearen edukia
Ziurtatu elementu guztiak zure paketean daudela:
- DSO152 Oscilloscope (Host device)
- P6100 10X High Voltage Zundaketa
- Alligator clip probe
- Kargatzeko kablea (C mota)
- Korrila
- Argibide eskuliburua
- Egokitzailea
- Packaging color box

Figure 2: Visual representation of package contents and key parameters.
3. Ezaugarri nagusiak
- Faster Sampling Abiadura: Denbora errealeko sampling rate of 2.5 MS/s and a 200 KHz bandwidth. The 10x probe can measure up to 800 VPP (equivalent to 280 V AC), with voltages up to 400 V measurable.
- Diseinu profesionala: Features a full trigger function (AUTO/Normal/Single) suitable for both periodic analog and aperiodic digital signals. Equipped with a 2.8-inch HD LCD display screen (320*240 resolution) for clear observation.
- Portable Mini Oscilloscope: An assembled, finished machine that is lightweight and easy to carry, ready for immediate use without assembly. Applicable to maintenance, R&D, and education industries.
- Easy Measuring: Efficient one-key AUTO setting for all parameters allows the measured waveform to be displayed without cumbersome adjustments. Long press the AUTO button to quickly calibrate the baseline for fast waveform measurement.
- Bateriaren iraupen luzeagoa: Built-in 1000 mAh high-quality lithium battery provides approximately 4 hours of continuous use after a full charge. The Type-C interface supports data transmission, charging, and firmware upgrades.

Figure 3: Key features of the DSO152, including PWM signal output and high sensitivity.

4. irudia: Xehetasuna view of the oscilloscope's physical features and controls.
4. Gailuaren osagaiak eta kontrolak
Familiarize yourself with the main components and buttons of the DSO152 oscilloscope:

Figure 5: Diagram of button functions and interfaces.
| Botoia | Funtzionamendua | Funtzioa |
|---|---|---|
| Gurpileko botoiak (Ezkerrean, Ados, Eskuinean) | Prentsa laburra | Kontrol-parametroen funtzioa hautatzea |
| Prentsa luzea | Sartu kalibrazio automatikoaren orrira | |
| AUTO botoia | Prentsa laburra | Doikuntza automatikoa (45Hz-tik beherako maiztasuna ezin da behar bezala kalibratu) |
| MODE botoia | Prentsa laburra | AUTO/Singuna/Aldaketa normala |
| Prentsa luzea | Rising edge/Falling edge switching | |
| Gora botoia (▲) | Prentsa laburra | Parametroen gehikuntzaren doikuntza |
| Behera botoia (▼) | Prentsa laburra | Parametroen kenketaren doikuntza |
| RUN botoia | Prentsa laburra | Uhin-formak exekutatu/pausatu (beste orrialdeak) / Sartu kalibrazio automatikoa (Kalibrazio automatikoaren orrialdea) |
| Prentsa luzea | Erakutsi/itxi parametro zehatzak | |
| Power button (⏻) | Prentsa luzea | Piztu/Desaktibatu |
Other interfaces include the Signal input probe (MXC) interface, Square wave calibration output, Reset hole, and Type-C charging interface (5V/1A) with a charging indicator light.
5. Hasierako konfigurazioa
- Kargatzen: Before first use, fully charge the oscilloscope using the provided Type-C cable and a 5V/1A power adapter. The charging indicator light will turn green when fully charged.
- Piztu/Itzali: Long press the power button (⏻) located at the lower left corner to turn the device on or off.
- Zunda konektatzea: Connect the P6100 10X High Voltage Probe to the Signal input probe (MXC) interface on the top of the oscilloscope. Ensure a secure connection.
- Zundaren kalibratzea: For accurate measurements, it is recommended to calibrate the probe. Long press the trackwheel button to enter the automatic calibration page, then follow the on-screen instructions (typically shorting the probe and pressing RUN).
6. Osziloskopioaren funtzionamendua
The DSO152 is designed for straightforward operation. Here are common measurement scenarios:
6.1 Oinarrizko uhin-formaren neurketa
The oscilloscope primarily graphs voltage over time. The display shows a grid where the vertical axis represents voltage eta ardatz horizontalak denbora adierazten du.
- AUTO botoia: For most measurements, simply connect the probe to the circuit and press the AUTO button. The oscilloscope will automatically adjust the voltage and time scales to display a stable waveform.
- MODE botoia: Use the MODE button to switch between trigger modes (AUTO, Normal, Single). Long press to switch between rising edge and falling edge triggering.
- Trackwheel and Arrow Buttons: Use the trackwheel (Left, OK, Right) to select parameters on the screen and the Up (▲) and Down (▼) arrow buttons to adjust their values.
- KORRIKA botoia: Short press the RUN button to pause or resume waveform acquisition. Long press to show or hide detailed measurement parameters (Vmax, Vmin, Vavg, Vrms, Vpp, Fre, Dut, Cyc).
6.2 DC Vol. neurtzeatage (Adibample: 9V Battery)
To measure a DC voltage, connect the probe's ground clip to the negative terminal and the probe tip to the positive terminal of the DC source. The oscilloscope will display a flat line (DC level) corresponding to the voltage. The vertical scale can be adjusted to view the exact voltage maila.
Video 1: Demonstration of measuring DC voltage with the FNIRSI DSO152 Oscilloscope.
6.3 AC Vol. neurtzeatage (Adibample: Household Outlet)
AC bol. neurtzeantage, ensure the oscilloscope is set to AC coupling. Connect the probe to the AC source. The oscilloscope will display a sine wave (or other AC waveform) showing the voltage fluctuations over time. Adjust the time scale (horizontal axis) to observe the frequency and period of the AC signal.
Video 2: Demonstration of measuring AC voltage and observing waveform characteristics.
6.4 Aplikazio sorta zabala
The DSO152 is versatile and can be used in various fields:
- Mains voltage measurement (up to 220V)
- DIY learning and hobby electronics
- Research and teaching environments
- Car repair and automotive diagnostics
- Etxetresna elektrikoen konponketa
- Outdoor maintenance

6. irudia: Adibamples of the wide range of applications for the DSO152.
7. Zehaztapen Teknikoak
| Parametroa | Balioa |
|---|---|
| Bistaratzea | 2.8" TFT 320x240 |
| Kanalak | 1 |
| Banda-zabalera analogikoa | 200KHz |
| Max Sampling Tarifa | 2.5 MS/s |
| Sarrerako akoplamendua | AC/DC |
| Trigger metodoa | Automatikoa / Normala / Bakarra |
| Seinale Irteera | 1X: 40V (Vpp: 80V) / 10X: 400V (Vpp: 800V) |
| Bateria | 1000mAh (Charging USB 5V/1A) |
| Uhin Karratuaren Kalibrazioa | Frequency: 1KHz, Duty cycle: 50% |
| Sentikortasun bertikala | 10mV/Div-10V/Div (Progress according to 1-2-5 way) |
| Denbora Oinarrizko Barrutia | 10µs/Div-50s/Div (Progress according to 1-2-5 way) |
| Tamaina | 99 x 68.3 x 19.5 mm |
| Pisua | 100 g |
| Elementuaren eredu-zenbakia | DSO152 |
| Beharrezko bateriak | 1 litio-polimeroko bateria (barne) |
| Fabrikatzailea | FNIRSI |
| Jatorrizko Herrialdea | Txina |
8. Mantentzea
- Garbiketa: Use a soft, dry cloth to clean the device. Avoid using abrasive cleaners or solvents that may damage the casing edo pantaila.
- Biltegiratzea: Store the oscilloscope in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Bateria zaintzea: Bateriaren iraupena luzatzeko, saihestu bateria maiz erabat deskargatzea. Kargatu gailua aldizka, erabiltzen ez baduzu ere.
- Zunda zaintzea: Handle the probes with care. Avoid bending or stressing the cables and connectors. Keep probe tips clean.
9. Arazoak
If you encounter issues with your DSO152 oscilloscope, try the following basic troubleshooting steps:
- Gailua ez da pizten: Ensure the battery is charged. Connect the Type-C charging cable and allow it to charge for a while before attempting to power on again.
- No Waveform Display: Check that the probe is securely connected to both the oscilloscope and the circuit under test. Ensure the circuit is powered. Try pressing the AUTO button to allow the oscilloscope to automatically adjust settings.
- Uhin-forma ezegonkorra: Verify the trigger settings (AUTO/Normal/Single) are appropriate for the signal being measured. Adjust the time base and voltage scale manually if AUTO mode does not provide a stable display.
- Irakurketa okerrak: Perform a probe calibration as described in the Setup section. Ensure the probe's attenuation setting (1X or 10X) matches the setting on the oscilloscope.
- Gailuak ez du erantzuten: Use a thin object (like a toothpick) to press the reset hole located on the side of the device. This will perform a hard reset.
10. Bermea eta Laguntza
The FNIRSI DSO152 Oscilloscope is manufactured by FNIRSI. For specific warranty information, please refer to the documentation included with your product or contact FNIRSI customer support directly. Additional protection plans may be available for purchase through your retailer.
For technical support or service inquiries, please visit the official FNIRSI website or contact their customer service department. Keep your purchase receipt and product serial number handy for any warranty claims.





