UNI-T UT803 Operating Manual

Pages 58

Year 2013

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UNI-T UT803 Oscilloscope Specification

The UNI-T UT803 Oscilloscope is a versatile electronic measurement instrument designed for precision and efficiency in various testing environments. It features a dual-channel digital storage capability, providing users with the ability to capture and analyze complex waveforms easily. The oscilloscope operates with a bandwidth of 40 MHz, delivering accurate signal representation and ensuring high fidelity in measurement results. It supports a maximum real-time sampling rate of 500 MS/s, allowing for detailed waveform capture and analysis.

The device is equipped with a large 5.7-inch TFT LCD display, offering clear and vibrant visualizations of waveforms and data, which enhances user experience and productivity. The oscilloscope includes a comprehensive set of triggering options such as edge, pulse, and video, which facilitate precise signal capture and analysis. It also supports advanced math functions and automatic measurements, enabling users to efficiently perform complex calculations and data analysis directly on the device.

Connectivity options on the UT803 include USB and RS-232 interfaces, allowing for seamless data transfer and remote control capabilities, which are essential for integration into automated test setups. It also features a built-in data logger, supporting long-term measurement applications. The oscilloscope's compact design and robust construction make it suitable for both field and laboratory environments, providing reliability and durability.

In summary, the UNI-T UT803 Oscilloscope is a high-performance, user-friendly instrument ideal for engineers and technicians requiring precise waveform analysis and data management capabilities. Its advanced features and connectivity options make it a valuable tool in both educational and professional settings, supporting a wide range of electronic testing and diagnostic applications.

UNI-T UT803 Oscilloscope F.A.Q.

How do I set up the UNI-T UT803 Oscilloscope for the first time?

To set up the UNI-T UT803 Oscilloscope, first connect the power cord to a suitable power outlet. Turn on the device using the power switch located on the front panel. Connect your probes to the input channels, ensuring they are properly calibrated. Adjust the time base and voltage settings according to your measurement requirements.

What should I do if the oscilloscope screen is blank?

If the screen is blank, first ensure that the power cord is securely connected and the device is turned on. Check the brightness and contrast settings on the oscilloscope. If the issue persists, try resetting the oscilloscope to factory settings.

How can I save waveform data on the UNI-T UT803?

To save waveform data, insert a USB drive into the USB port on the oscilloscope. Navigate to the 'Save' menu using the device's interface, select 'Save Waveform', choose the desired format, and confirm the save operation.

What is the procedure for calibrating the probes on the UT803?

To calibrate the probes, connect the probe to the calibration signal output on the oscilloscope. Adjust the compensation trimmer on the probe until the waveform displayed on the screen is a clean square wave. Repeat for each probe.

How do I troubleshoot inaccurate measurements on the UNI-T UT803?

First, ensure that the probes are correctly connected and calibrated. Check the input settings on the oscilloscope to ensure they match the expected signal characteristics. Verify that the oscilloscope is set to the correct measurement mode. If inaccuracies persist, consult the user manual for further troubleshooting steps.

Can I use the UT803 Oscilloscope to measure frequency?

Yes, the UT803 Oscilloscope can measure frequency. Connect the signal to the input channel and use the 'Measure' function on the oscilloscope to display the frequency of the waveform. Ensure that the time base is set appropriately for accurate readings.

How can I update the firmware on the UNI-T UT803 Oscilloscope?

To update the firmware, download the latest firmware version from the UNI-T official website. Copy the firmware file to a USB drive, insert it into the oscilloscope, and follow the on-screen instructions to complete the update process.

What maintenance practices are recommended for the UNI-T UT803?

Regularly clean the oscilloscope's exterior with a soft, dry cloth. Avoid using harsh chemicals. Periodically check and calibrate the probes, and ensure that the ventilation slots are free from dust and obstructions. Store the oscilloscope in a dry, dust-free environment when not in use.

How do I perform a self-test on the UT803 Oscilloscope?

To perform a self-test, turn off the oscilloscope. Press and hold the self-test button while turning the device back on. The oscilloscope will perform a series of checks and display the results on the screen.

What should I do if the oscilloscope frequently loses signal?

Ensure that the signal source is stable and properly connected. Check the probes for any damage or loose connections. Verify that the oscilloscope's input settings are correctly configured for the signal type. If the problem continues, try using different probes or channels.