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Question and Answer Search Center
Q:Is the UTG2025A generator capable of generating just a single pulse? Not constant, but once.
Q:How to solve the issue of UT803 automatically going into sleep mode?
Q:The UTG9005C-II displays the
Q:Why the value measured by the oscilloscope is different from the value measured by the multimeter?
Q:How does an oscilloscope measure power supply ripple?
Q:The measurement error of oscilloscope is relatively large
Q:What is Impedance in LCR?
Q:Why is the waveform measured by the oscilloscope severely distorted?
Q:Maintenace and Cleaning
Q:Why is there no waveform output from the signal generator?
Q:Why the signal generator cannot recognize U disk?
Q:No screen display(blank screen)
Q:What is the difference of real-time sampling and equivalent sampling?
Q:What impact does a low sampling rate have on testing and measurement?
Q:The conversion relationship between peak value(Vp), peak-to-peak value(Vpp), and RMS value(Vrms).
Q:What is the relation of channel coupling and trigger coupling?
Q:Why is there a significant difference in RMS voltage measurements when using the same high-voltage probe EN-48000 with a UNI-T oscilloscope compared to an Agilent oscilloscope?
Q:In an oscilloscope, how should we understand the term ±(3% x reading+0.05div)? What does one sampling interval mean?
Q:While measuring a signal, what is the difference between using a probe in 1x mode and 10x mode?
Q:How to use oscilloscope to capture occasional signal?
Q:What is the trigger of oscilloscope?
Q:Why choose an oscilloscope with high waveform capture rate?
Q:What are the differences between the auto, normal, and single trigger modes?
Q:UNI-T oscilloscope has wave record function, how long can it record?
Q:Why is there significant waveform distortion when observing high-frequency signals?
Q:How to solve the issue of having a waveform but unable to display it stably?
Q:What is the trigger of oscilloscope?
Q:What is the trigger hold off?
Q:Why the precision is different from the standard specification?
Q:How to use digital oscilloscope to measure radiate of switching power supply?
Q:How to measure small signals using a digital oscilloscope? For example, small signals from an audio amplifier or power supply ripple noise.
Q:How to measure differential signal using digital oscilloscope ?
Q:What is Rise Time?
Q:What is the difference of analog oscilloscope and digital oscilloscope?
Q:Why does a 1kHz square wave measurement result in ghosting phenomenon?
Q:Why does the instrument display normally when connected to the PC software, but none of the buttons respond?
Q:Why is the phase difference displayed incorrectly when measuring signals with a phase difference of 180 degrees or other phase differences?
Q:Why does a square wave signal appear as a triangle wave when measured?
Q:Why does a square wave signal appear as a sine wave when measured?
Q:Why does the AUTO function sometimes prompt an AUTO failure?
Q:Is the bandwidth of oscilloscope the higher the better?
Q:Does the software for UTG962E support Mac or Linux O.S.?
Q:What is the meaning of frequency precision, amplitude precision and flatness of signal generator?
Q:Does the UNI-T signal generator have connectivity between the power input port and the BNC output terminal? What does the maximum 42Vpk insulation ground refer to?
Q:How to convert a CSV file to BSV format in UTG900E?
Q:22.5KHz analog pulse signal (60V) duty cycle test, duty cycle accuracy is 0.1%
Q:Why can't arbitrary waveform files be saved in signal generator?
Q:How to compile arbitrary waveform on the PC?
Q:What is the output amplitude of the UNI-T signal generators in each series?
Q:How can UTG4000A signal generator output 2 signals with opposite waveforms and different phases?
Q:What is the relationship between the amplitude and frequency, impedance settings of a signal generator.
Q:Why is four-wire measurement used in resistance testing? What is the difference compared to two-wire measurement?
Q:What are the difference between UT800 and UT8000 series?
Q:When testing resistance with a digital multimeter, can the output current be less than 1mA?
Q:What is Accuracy and Resolution?
Q:What is PPM?
Q:What is the difference between the line regulation and the load regulation?
Q:What are the differences for UTP3300, UTP3300TFL-II and UTP3300-II series?
Q:What is the meaning of display resolution, programming resoultion and readback resolution of programmable DC power supply?
Q:How to set the constant voltage/current output mode?
Q:How to capture continuous waveforms of a signal over a period of time?
Q:What are the differences between AC withstand voltage test and DC withstand voltage test?
Q:What are the differences between withstand voltage test and insulated resistance test?
Q:How to select voltage in withstand voltage test?
Q:What is the difference between UTL8500X and UTL8500 series?
Q:How to choose the internal resistance of an LCR meter at 30, 50, or 100Ω?
Q:What is the meaning of quality factor Q and dissipation factor D?
Q:Can UTD2102CEX be saved in the CSV data format?
Q:Can UTD2000CL+/CEX+ use cursors in FFT mode, and what is the FFT memory depth in points?
Q:How to save the recorded .rdwave waveform as XLS and CSV formats in UPO/MSO2000.
Q:UTD2102CEX+ has a maximum memory depth of 64 Kpts, why the number of saved points is 800?
Q:What's the difference between 8-bit and high-resolution 12-bit?
Q:What is ERES?
Q:Is the memory depth of the MSO3000X logic analyzer 500 Mpts? I noticed that the MSO2000X and MSO7000X both have a memory depth of 125 Mpts. Does that mean only the MSO3000X supports 500 Mpts?
Q:Why does the waveform of MSO7000X shake up and down when testing high-frequency signals?
Q:Why is the fan noise very loud during MSO7000X startup?
Q:How to take screenshots and save data on UTG2025A?
Q:What happens when the output impedance is set to "High Impedance" and then reverted to 50 Ω?
Q:How to convert a CSV file to BSV format on UTG900E?
Q:How to use the delay function of UTG2000B series. For example: a pulse signal is used as a trigger, and the delay function is set so that when the pulse signal is input to UTG-2062B, CH1 can operate immediately, while CH2 operates based on the set delay time, after 2 to 3 milliseconds. How should it be set if possible?
Q:What is the reason for the ERROR message when using UTL8200 series?
Q:What is the reason for the ERROR message appearing after using UTL8500/8200 series for a period of time?
Q:UTL8500/8200 series no output in CV mode
Q:Why are the voltage and current measurement errors large on the UTL8200/UTL8200+?
Q:What is the electornic meaning of quality factory Q and loss factory D?
Q:The LCR test shows that 1 kΩ is 1.3 kΩ, 33 nF is 400 pF at 10 kHz, and 1 μF is 830 nF at 120 Hz. Why is there such a large error?
Q:What is the DCR mode in UT622E?
Q:Why does the oscilloscope baseline appear thick?
Q:The indicator is marked as 16-bit resolution, but why is the actual measurement only 12-bit? How to achieve a step of 1 mV in a 5 V/20 V output DC?
Q:What is the difference between the high resolution 12-bit and the enhanced resolution 3-bit of MSO7000X, and how to use it?
Q:Is the output channel of our UTG2000B/X series isolated?
Q:What kinds of EN standard do we support in our built-in EMI option?
Q:What happens with the SYNC output while using the sweep function?  Does it follow the frequency of the sweep?
Q:How to automatically save the test data when both hands press the tested device during testing?
Q:Could you explain to me the usage for internal Flash?
Q:The use of AUX out
Q:How to generate a waveform from 10 MHz to 20 MHz and then to 40 MHz
Q:What does SUM modulation refer to?
Q:Can it be set to 10000 hours and recorded offline for 10000 hours? Is there a limit to the sample rate?
Q:How to restore factory settings?
Q:In the case of no-load of UT8805E, the DC voltage will gradually increase with an error of several hundred millivolts. Is this normal?
Q:In the power Supply parallel mode, the no-load shows a current of 30 mA. Is this normal?
Q:What is the internal resistance of the signal source?
Q:How to connect to a computer using a LAN interface?
Q:How to connect to the web?
Q:What is the Baud rate of RS232?
Q:Error: "MD5 Check file not found" During Firmware Upgrade"
Q:How to use Handler function ?
Q:Does UDP5000 series support the serial and parallel output of multiple external devices?
Q:How to connect to a computer using a LAN interface?
Q:How to connect to a computer using a RS232 interface?
Q:How does UDP3000C/S output positive and negative voltage ± 12 V?
Q:How to switch the testing function on the front and rear panels?
Q:Error loading device manager Arb editor: missing file
Q:What do the SER and PAR characters displayed on the device represent and how can they be used?
Q:1. UDP4303S, at a sampling rate of 8kSa/s, how long can it record and output the data? 2. How long does it take to connect the USB drive and how much 8K data can be recorded? 3. Can the recorded data be directly transferred to the USB flash drive?
Q:Why do negative values appear when using UT622C to test electrolytic capacitors?