FNIRSI DS215H Oscilloscope – 100 MHz, 500 MS/s, 1 Channel, Built-in Waveform Generator, 2.8 inch TFT LCD, USB Type-C, Rechargeable Battery, Black

Debugging electronics without a portable, reliable oscilloscope can be frustrating—especially when you need to capture fast signals or generate test waveforms on the go. The FNIRSI DS215H solves this by packing a 100 MHz bandwidth, 500 MS/s real-time sampling, and a built-in waveform generator into a compact, battery-powered handheld device. Whether you're troubleshooting in the lab, field, or classroom, this oscilloscope gives you the tools to see and stimulate signals instantly.

Who is it for

This oscilloscope is ideal for electronics engineers, technicians, hobbyists, and students who need a portable yet powerful diagnostic tool. It's perfect for automotive diagnostics, embedded system debugging, audio circuit analysis, and educational demonstrations. Its lightweight design and long battery life make it a practical companion for fieldwork or bench use.

Main features

• 100 MHz analog bandwidth with 500 MS/s real-time sampling rate for accurate waveform capture.
• 12 Mpts memory depth allows long signal recordings without losing detail.
• Built-in waveform generator (1 Hz – 2 MHz sine) for circuit stimulation and testing.
• 2.8-inch TFT color LCD (320 x 240) with clear, high-contrast waveform display.
• Rechargeable 3000 mAh battery provides up to 8 hours of continuous operation.
• USB Type-C connectivity for data transfer, firmware updates, and charging.
• Compact and lightweight design for easy portability.

Specifications

• Channels: 1
• Bandwidth: 100 MHz
• Real-time sample rate: 500 MS/s
• Memory depth: 12 Mpts
• Display type: 2.8-inch TFT color LCD
• Display resolution: 320 x 240 pixels
• Vertical sensitivity: 10mV/div - 10V/div
• Vertical resolution: 8-bit
• Time base range: 5ns/div - 10s/div
• Input impedance: 1MΩ ±2%
• Max input voltage: 400V (DC+AC Peak)
• Input coupling: AC/DC
• Trigger modes: Auto, Normal, Single
• Built-in waveform generator: Yes
• Waveform generator frequency range: 1Hz - 2MHz (Sine)
• Battery capacity: 3000mAh
• Battery life: Up to 8 hours
• Connectivity: USB Type-C

Tips

To maximize battery life, reduce screen brightness when not needed. Use the built-in waveform generator to test filters and amplifiers without an external signal source. For firmware updates, connect via USB Type-C and follow the manufacturer's instructions.