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The FNIRSI DPOS350P portable oscilloscope is a 4-in-1 measurement instrument that combines a digital oscilloscope, signal generator, spectrum analyser and frequency response analyser in a single device. It is designed for electronic repair professionals, laboratories, technical training and industrial installations that require precision, portability and versatility.
This 350MHz oscilloscope with a 1GSPS sampling rate allows high-frequency signals to be captured with excellent accuracy. Its tablet-style design with a 7-inch IPS touchscreen provides a clear view of waveforms, even in demanding work environments. It is an ideal solution for users who need a professional portable oscilloscope without sacrificing bench-top performance.
The integrated 50MHz signal generator can produce multiple standard and custom waveforms, making it a perfect tool for testing circuits, communication systems, power electronics and RF applications. Together with the 350MHz spectrum analyser and the frequency response analyser, the instrument enables complete analysis of filter, amplifier and signal behaviour.
The FNIRSI DPOS350P includes a high-capacity battery with QC18W fast charging, offering excellent autonomy for field work. Overvoltage protection up to 400V, combined with isolation and ESD protection, allows safer operation in industrial and electrical maintenance environments.
It also allows waveform and screenshot storage for later analysis or documentation, with export via USB port. It is particularly suitable for electronics technicians, engineers, training centres and professionals looking for a portable multifunction oscilloscope with high performance.
If you are looking for a 350MHz portable oscilloscope with signal generator, spectrum analyser and internal battery, the FNIRSI DPOS350P is one of the most complete and advanced solutions in its class.
| Digital oscilloscope FNIRSI DPOS350P | |
| Bandwidth | 350 MHz |
| Sampling rate | 1 GSPS |
| Channels | 2 |
| Memory depth | 47 Kpts |
| Time base | 5 ns – 50 s |
| Vertical sensitivity | 2 mV – 20 V/div |
| Input impedance | 1 MΩ / 14 pF |
| Coupling | DC / AC |
| Trigger modes | Auto, Single, Normal |
| Automatic measurements | 12 types |
| Functions | FFT, XY mode, digital persistence, auto setup |
| Input protection | up to 400 V |
| Integrated signal generator | |
| Frequency range | up to 50 MHz |
| Waveform types | 14 standard + custom |
| Output amplitude | 0 – 5 Vpp |
| DC offset | -2.5 V to +2.5 V |
| Frequency resolution | 1 Hz |
| Amplitude resolution | 1 mV |
| Storable custom waveforms | up to 500 groups |
| Spectrum analyser (FFT) | |
| Frequency range | 200 kHz – 350 MHz |
| FFT length | 4K – 32K |
| Level range | -60 dBmV to +260 dBmV |
| Cursor measurement | Frequency and amplitude |
| Cascade display | 2D and 3D |
| Frequency response analyser | |
| Excitation frequency | 100 Hz – 50 MHz |
| Excitation amplitude | 0 – 5 Vpp |
| Excitation offset | -2.5 V to +2.5 V |
| Number of points | 20 – 500 |
| Measurements | Gain, phase and frequency |
| Sweep modes | Single / Cyclic |
| General data for FNIRSI DPOS350P | |
| Display | 7" IPS touchscreen |
| Resolution | 1024 x 600 pixels |
| Power consumption | 10 W |
| Dimensions | 190 x 128 x 37 mm |
| Data interface | USB |
| Battery | Lithium 8000 mAh |
| Charging | QC18W USB-C |
| Operating time | approx. 3 hours |
| Charging time | approx. 2 hours |
