Description
FNIRSI DPOS350P 4-in-1 Digital Oscilloscope
The FNIRSI DPOS350P is a versatile digital oscilloscope designed for convenient and intuitive operation. It features a large 7-inch touch screen for clear signal viewing and quick access to key functions. It combines the features of an oscilloscope, signal generator, spectrum analyzer, and frequency response analyzer, making it suitable for a wide range of measurement applications. High bandwidth, fast sampling, and large memory enable precise signal analysis, while advanced visualization modes improve measurement readability.
Full control over the signal
The large 7-inch touch screen provides a full view of the analyzed signal and precise parameter control. The clear interface allows you to quickly understand the behavior of the system, and the high image quality makes the DPOS350P an "engineer's second pair of eyes" – indispensable for diagnostics and testing.
Maximum functionality
The FNIRSI DPOS350P is an advanced 4-in-1 oscilloscope that offers the functions of four different devices. It is an oscilloscope (2 channels, 350 MHz bandwidth, 1 GSa/s sampling, 8-bit resolution, 50,000 waveforms per second), signal generator (up to 50 MHz), spectrum analyzer (200 kHz – 350 MHz range), and frequency response analyzer (100 kHz – 50 MHz). Such a wide range of functions means that one device replaces several specialized tools, saving space and time.
High measurement performance
The DPOS350P model offers a bandwidth of 350 MHz, a sampling rate of 1 GSa/s, and a memory depth of 60 kpts, which translates into accurate signal reproduction and stable measurements even with complex waveforms. What's more, the FNIRSI DPOS350P allows Bodé chart analysis in the 100 Hz – 50 MHz range, with adjustable frequency, excitation amplitude, and offset. It is the ideal tool for testing amplifiers, filters, and power loops, allowing you to quickly and accurately assess the frequency response of a circuit.
Advanced spectrum and EMI analysis
The device covers a frequency range from 200 kHz to 350 MHz and allows for precise manual adjustment of key parameters (start/stop frequencies, bandwidth, reference level, attenuation, and FFT length). Cursor measurement functions and advanced visualization modes are at your disposal, including an impressive and extremely clear 3D Waterfall view. This makes the oscilloscope ideal for EMI testing, RF signal analysis, and harmonic detection.
Signal visibility like never before
Digital fluorescence technology provides exceptional signal clarity and precise color reproduction. In addition, advanced noise filtering improves waveform detection and presentation, enabling more accurate signal analysis. Support for 8-16-bit technology takes image clarity to the next level.
Tablet design that makes work easier
The slim housing in an elegant black finish with blue accents combines modern design with ergonomics. The tablet form factor allows for comfortable one-handed operation, and the touch interface makes all functions immediately accessible—without unnecessary menus and complicated navigation. This is a device that naturally adapts to the user's work rhythm. The oscilloscope supports multiple languages, including English, Chinese, Russian, and Portuguese, making it ideal for international environments.
Included
- 350 MHz probe x2
- QC18W charger
- USB cable
- Alligator clip leads
- User manual
General
| Manufacturer | Fnirsi |
|---|---|
| Model | DPOS350P |
| Startup configuration | 5 presets |
| Languages | Chinese / English / Russian / Portuguese |
| Screen diagonal | 7 inches |
| Screen resolution | 1024 × 600 pixels |
| Screen technology | IPS, full viewing angle |
| Interaction mode | Capacitive touch screen |
| Expansion interface | Capacitive touch screen |
| Auto power off | 15 minutes ~ 1 hour / off |
| Update | Supports .iso image updates |
| Charging requirements | QC18W – 12 V / 1.5 A |
| Battery | 3.7 V lithium, 8000 mAh |
| Operating time | approx. 3 hours |
| Charging time | approx. 5 hours |
| Total power consumption | 10 W |
| Cooling | passive (air) |
| Device dimensions | 190 × 128 × 37 mm |
Frequency response analyzer (FRA)
| Excitation signal frequency | 100 Hz ~ 50 MHz |
|---|---|
| Excitation signal amplitude | 0 ~ 5 Vpp |
| Excitation signal offset | −2.5 V ~ +2.5 V |
| Number of frequency points | 20 ~ 500 |
| Cursor measurement | frequency / gain / phase |
| Operating mode | single / cyclic |
| System calibration | supported |
Spectrum analyzer (SA)
| Conversion method | FFT |
|---|---|
| FFT length | 4K ~ 32K |
| Frequency range | 200 kHz ~ 350 MHz |
| Level range | −60 dBmV ~ +260 dBmV |
| Cursor measurement | frequency / amplitude |
| Marking parameter | maximum energy harmonic |
| Waterfall graph | supported |
| 3D waterfall graph | Supported |
| Auto adjustment | Supported |
| System calibration | Supported |
Oscilloscope
| Number of channels | 2 |
|---|---|
| Bandwidth | 350 MHz |
| Rise time | 1 ns |
| Max. sampling frequency | 1 GSa/s |
| Memory depth | 60 kpts |
| Input impedance | 1 MΩ / 14 pF |
| Time base range | 5 ns ~ 50 s |
| Time base (roll) | 50 ms ~ 50 s |
| Vertical sensitivity | 2 mV ~ 20 V (1×) |
| Vertical range | 16 mV ~ 160 V (1×) |
| DC accuracy | ±2% |
| Time accuracy | ±0.01% |
| Input coupling | DC / AC |
| Background grid | display / hide |
| Waveform shift | coarse / fine adjustment |
| Overvoltage protection | up to 400 V |
| Waveform brightness | adjustable |
| FFT display | supported |
| Digital fluorescence | supported |
| Probe attenuation | 1× / 10× / 100× |
| Hardware bandwidth limit | 150 MHz / 20 MHz |
| High resolution mode | 8 bit ~ 16 bit |
| Parameter measurements | 12 types |
| Cursor measurement | time, period, frequency, level, voltage |
| Trigger detection | digital |
| Trigger channel | CH1 / CH2 |
| Trigger mode | Auto / Single / Normal |
| Trigger edge | Rising / Falling |
| Trigger attenuation | L1 ~ L3 |
| Trigger level | Manual / Auto (10% ~ 90%) |
| Screenshot recording | 90 images |
| Waveform recording | 500 sets |
| Color temperature display | Supported |
| X-Y mode | Supported |
| Time base zoom | Supported |
| One-key auto adjustment | Supported |
| One-key zero return | Supported |
| Data browser | Supported |
Signal generator (SG)
| Waveform types | 14 standard + captured waveform |
|---|---|
| Frequency | 0 ~ 50 MHz (sine), other waveforms up to 10 M / 5 M / 3 M |
| Amplitude | 0 ~ 5 Vpp |
| Offset | −2.5 V ~ +2.5 V |
| Duty cycle | 0.1% ~ 99.9% |
| Frequency resolution | 1 Hz |
| Amplitude resolution | 1 mV |
| Offset resolution | 1 mV |
| Duty cycle resolution | 0.1% |
| Stored custom waveforms | 500 sets |
Producer: Shenzhen FNIRSI Technology Co.,Ltd. (CN)
Address: 8F,Weihuada Industrial Park C building West, Li Rong Road, Da Lang Street,, 518109, Shenzhen
Email: toby@fnirsi.com
EU Responsible Person: ALTWAY(PL) Sp.z o.o.
Address: aleja Grunwaldzka, 212, 80-266, Gdańsk
Email: bok@altway.pl
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