FNIRSI® DS215H 2-IN-1 50MHz 250MS/s Dual Channel Digital Oscilloscope DDS Function Singal Generator
Product Description
The FNIRSI® DS215H is a compact 2-in-1 electronic testing instrument that combines a dual-channel digital oscilloscope with a built-in DDS function signal generator. Designed for electronics maintenance, research and development, and circuit testing, it provides essential measurement and signal-generation capabilities in one portable device.
The oscilloscope features a 50MHz analog bandwidth and a 250MSa/s real-time sampling rate, allowing users to observe and analyze electronic signals across two channels. It supports waveform measurements, edge triggering, waveform storage, and screenshot capture for convenient testing and troubleshooting.
The integrated DDS signal generator provides 13 waveform outputs with an adjustable frequency range of 0–50kHz. Users can adjust waveform frequency, amplitude, and square-wave duty cycle according to their testing requirements.
With a 3.5-inch IPS color display, intuitive dial and button controls, and a built-in 1500mAh rechargeable battery, the DS215H is a practical portable solution for electronics engineers, technicians, students, and hobbyists.
Key Features
- 2-in-1 Design: Combines a dual-channel digital oscilloscope and DDS function signal generator in one compact instrument.
- 50MHz Oscilloscope Bandwidth: Suitable for observing and analyzing a wide range of electronic signals.
- 250MSa/s Real-Time Sampling: Provides real-time waveform acquisition at up to 250MSa/s.
- Dual-Channel Measurement: Allows simultaneous observation of two input signals.
- 13 Built-In Waveforms: Integrated signal generator supports multiple waveform outputs.
- 0–50kHz Signal Generation: Adjustable output frequency with a 1Hz adjustment step.
- Adjustable Signal Parameters: Frequency, amplitude, and square-wave duty cycle can be configured.
- 3.5-Inch IPS Display: 480 × 320 resolution color screen for waveform viewing and instrument operation.
- Waveform Storage: Supports saving and viewing screenshots for later reference.
- Multiple Trigger Options: Auto, Normal, and Single trigger modes, with rising-edge and falling-edge triggering.
- Rechargeable Battery: Built-in 1500mAh lithium battery with USB Type-C charging.
- Portable Design: Compact dimensions and approximately 138g weight make it convenient for mobile testing.
Technical Specifications
General Specifications
| Parameter | Specification |
|---|---|
| Brand | FNIRSI |
| Model | DS215H |
| Product Type | 2-in-1 Digital Oscilloscope and DDS Function Generator |
| Display | 3.5-inch IPS Color Screen |
| Display Resolution | 480 × 320 pixels |
| Backlight | Adjustable Brightness |
| Battery Capacity | 1500mAh |
| Charging Interface | USB Type-C |
| Charging Input | 5V / 1A |
| Languages | Chinese, English, German, Portuguese, Japanese, Spanish, Korean, Russian |
| Dimensions | Approximately 66 × 110 × 19.5mm |
| Weight | Approximately 138g |
Oscilloscope Specifications
| Parameter | Specification |
|---|---|
| Number of Channels | 2 Channels |
| Analog Bandwidth | 50MHz |
| Real-Time Sampling Rate | 250MSa/s |
| Storage Space | 14M |
| Time Base Range | 20ns/div – 20s/div |
| Vertical Sensitivity | 10mV/div – 10V/div |
| Vertical Resolution | 8 bits |
| Input Impedance | 1MΩ |
| Waveform Display Mode | Scroll |
| Input Coupling | AC / DC |
| Probe Attenuation | 1X / 10X |
| Trigger Type | Rising Edge / Falling Edge |
| Trigger Modes | Auto / Normal / Single |
| Trigger Level Range | 8 divisions (positive and negative) |
| Peak Voltage | ±400V |
| Automatic Measurement Parameters | Cycle, Frequency, Vpp, Maximum, Minimum, Average, RMS, Amplitude, Duty Cycle, Pulse Width |
| Waveform Storage | Screenshot Saving and Viewing |
DDS Signal Generator Specifications
| Parameter | Specification |
|---|---|
| Generator Type | DDS Function Signal Generator |
| Output Waveforms | 13 Built-In Waveforms |
| Frequency Range | 0–50kHz |
| Frequency Adjustment Step | 1Hz |
| Output Amplitude | 0.1–3.0V |
| Square-Wave Duty Cycle | 0–100% |
| Adjustable Parameters | Frequency, Amplitude, Duty Cycle |
Operating Environment
| Parameter | Specification |
|---|---|
| Operating Temperature | -5°C to 40°C |
| Relative Humidity | 80% maximum |
| Storage Recommendations | Clean, dry environment away from moisture, direct sunlight, and mechanical damage |
Applications
- Electronics Repair and Maintenance: Observe circuit signals and identify waveform abnormalities during troubleshooting.
- Electronic Circuit Development: Test and analyze signals in prototype circuits and electronic designs.
- Signal Injection and Testing: Generate test waveforms to evaluate circuit response and functionality.
- Educational Laboratories: Support practical electronics experiments and waveform measurement training.
- Embedded Systems Development: Monitor digital and analog signals in microcontroller-based projects.
- Audio and Low-Frequency Circuit Testing: Generate and observe signals within the instrument's specified frequency ranges.
- DIY Electronics Projects: Provide portable oscilloscope and signal generator functions for hobbyist applications.
Package Contents
The FNIRSI product page identifies the selected configuration as DS215H Std., but its textual product description does not provide a complete itemized list of the standard package contents.
Please refer to the package selection and product images on the manufacturer's page to confirm the included accessories before listing individual probes, cables, or other accessories as included.
Frequently Asked Questions (FAQ)
1. What is the bandwidth of the FNIRSI DS215H oscilloscope?
The DS215H features a 50MHz analog bandwidth.
2. What is the maximum sampling rate?
It supports a real-time sampling rate of up to 250MSa/s.
3. Does the DS215H have two independent oscilloscope channels?
Yes. It is equipped with two oscilloscope input channels, allowing users to observe two signals.
4. Does the DS215H include a signal generator?
Yes. It includes a built-in DDS function signal generator with 13 waveform outputs and an adjustable frequency range of 0–50kHz.
5. Can I adjust the signal generator output amplitude and frequency?
Yes. The output frequency and amplitude are adjustable. The square-wave duty cycle can also be adjusted from 0% to 100%.
6. What display does the DS215H use?
It features a 3.5-inch IPS color display with a resolution of 480 × 320 pixels.
7. Is the DS215H rechargeable?
Yes. It has a built-in 1500mAh rechargeable lithium battery and uses a USB Type-C charging interface with a specified 5V/1A input.
8. Can the DS215H save waveforms or screenshots?
The manufacturer specifies screenshot saving and viewing functionality, allowing users to retain waveform screenshots for later reference.