DHO4404 - Uncategorized Rigol - Free user manual and instructions
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| Product Type | Digital Oscilloscope |
| Brand | Rigol |
| Model | DHO4404 |
| Bandwidth | 400 MHz |
| Number of Channels | 4 |
| Sample Rate | 4 GSa/s |
| Memory Depth | Up to 500 Mpts per channel |
| Vertical Resolution | 12 bits |
| Display | 10.1-inch capacitive touchscreen LCD |
| Trigger Types | Edge, pulse, slope, video, pattern, etc. |
| Interfaces | USB, LAN, HDMI, external trigger, optional GPIB |
| Power Supply | 100-240 VAC, 50/60 Hz |
| Dimensions (W×H×D) | 410 × 200 × 300 mm |
| Weight | 6.0 kg |
| Safety Compliance | CE, UL, CAN/CSA |
| Cleaning | Wipe exterior with a dry, soft cloth; avoid abrasive cleaners |
| Repairability | Designed for professional servicing; calibration and module replacement by qualified personnel |
| Included Accessories | Passive probes (4x), power cord, USB cable, user manual |
Frequently Asked Questions - DHO4404 Rigol
How do I perform a self-calibration on the DHO4404?
To ensure measurement accuracy, go to the Utility menu, select Self-Calibration, and follow the on-screen instructions. Allow the oscilloscope to warm up for at least 30 minutes before calibrating.
How can I update the firmware?
Download the latest firmware from the Rigol official website, save it to a USB drive, and connect the drive to the oscilloscope. Navigate to System > Firmware Update and select the file. Do not power off during the update.
What is the maximum input voltage for the DHO4404?
The maximum input voltage is CAT I 400 V (DC + peak AC) or CAT II 300 V. Use only probes rated for the voltage you are measuring.
How do I connect the oscilloscope to a PC?
Use a USB cable or LAN connection. For USB, install the NI-VISA driver and use the Rigol UltraScope software. For LAN, configure the IP address on the oscilloscope and connect via SCPI commands.
How do I measure a signal using the touchscreen?
Tap on the channel indicator to enable the channel, then use two-finger gestures to zoom and pan the waveform. Touch the Auto button to automatically set the vertical and horizontal scales.
Can I export waveform data to a spreadsheet?
Yes, you can save waveforms as CSV or BIN files to a USB drive. Use the Save/Recall menu, select Wave, and choose the desired format. The CSV file can be opened in Excel.
How often should I clean the oscilloscope?
Clean the exterior and screen regularly with a soft, dry cloth. Avoid using solvents or abrasive materials. Make sure the instrument is powered off and unplugged before cleaning.
What probes are compatible with the DHO4404?
The oscilloscope includes passive probes with a 10:1 attenuation ratio, suitable for 400 MHz bandwidth. Ensure that the probe compensation is adjusted to match the input capacitance.
How do I set up a trigger to capture a specific event?
Press the Trigger button, select the trigger type (e.g., edge or pulse), set the source and level, and adjust the holdoff if needed. The oscilloscope will display a stable waveform when the trigger conditions are met.
What is the warranty period for the Rigol DHO4404?
The DHO4404 comes with a 3-year warranty covering manufacturing defects. For extended warranty options, contact your local Rigol distributor.
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USER MANUAL DHO4404 Rigol
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Product information
Brand : Rigol
Model : DHO4404
Category : Uncategorized