The FNIRSI DPOS350P is an advanced 4-in-1 measuring instrument combining an oscilloscope, spectrum analyzer, frequency response analyzer, and DDS signal generator in a compact and portable unit. Suitable for development, troubleshooting, education, and fieldwork.
Specifications
- Bandwidth: 350 MHz
- Sampling rate: 1 GS/s
- Display: 7" IPS, 1024×600
- Resolution: 8–16 bits
- Battery: 8000 mAh, QC 18W fast charging
- Dimensions: 190 × 128 × 37 mm
- Weight: 1.55 kg
Oscilloscope (350 MHz / 1 GS/s)
- 2 channels, 60Kpts memory depth
- 50,000 wfms/s update rate
- Digital phosphor display, X-Y mode and ZOOM
- 2 mV/div sensitivity, 12 automatic measurements and cursor function
Spectrum Analyzer (200 kHz – 350 MHz)
- FFT analysis with 4K–32K FFT length
- Cursors, marker measurement and harmonic analysis
- Real-time 2D/3D waterfall display
Frequency Response Analyzer (100 Hz – 50 MHz)
- Measurement of gain, phase, and frequency
- Up to 500 frequency points
- Suitable for Bode plots, filter tuning and stability analysis
DDS Signal Generator (0–50 MHz)
- 14 standard waveforms + 500 custom
- 1 Hz resolution, 0–5 Vpp amplitude
- Offset -2.5 V to +2.5 V, duty cycle 0.1–99.9 %
Design and Features
- 7" IPS touchscreen (1024×600)
- Portable size (A5 format) with foldable stand
- Safety protection up to 400 V with overvoltage and ESD protection
- 8000 mAh battery with QC 18W USB-C fast charging (≈ 2 h)
- Data recording: up to 500 waveforms + 90 screenshots, USB export
Package Contents
- FNIRSI DPOS350P oscilloscope
- 2 × 350 MHz probes
- QC18W fast charger (EU/US)
- USB-C cable
- Crocodile clip
- Carrying case
- Manual
Important Notes
- The channel ground clips must be connected to the same potential. Connecting to different potentials may damage the device.
- Maximum input voltage via BNC is 400 V.
- Always use the included QC charger to avoid ground loops.
- For signals above 100 MHz, 100X or 1000X probes are recommended.
