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RuoShui 1020S User Manual

Digital storage oscilloscope
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1020S/1050S/1100S OPERATING MANUAL
Digital Storage Oscilloscope
User Manual
RuoShui 1020S (20MHz)
RuoShui 1050S(50MHz)
RuoShui 1100S(100MHz)
Vol.:2020030502st

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  • Page 1 1020S/1050S/1100S OPERATING MANUAL Digital Storage Oscilloscope User Manual RuoShui 1020S (20MHz) RuoShui 1050S(50MHz) RuoShui 1100S(100MHz) Vol.:2020030502st...
  • Page 2 1020S/1050S/1100S OPERATING MANUAL Table of Contents Page 1. General Safety Requirements - 3 - 2. Safety Terms and Symb11.ols - 4 - 3. Quick Start - 5 - Introduction to the Structure of the Oscilloscope - 5 - Front Panel...
  • Page 3 1020S/1050S/1100S OPERATING MANUAL How to Save and Recall a Waveform - 30 - How to Implement the Auxiliary System Function Setting - 39 - How to Update your Instrument Firmware - 40 - How to Measure Automatically - 41 -...
  • Page 4 1020S/1050S/1100S OPERATING MANUAL 1. General Safety Requirements Before use, please read the following safety precautions to avoid any possible bodily injury and to prevent this product or any other connected products from damage. To avoid any contingent danger, ensure this product is only used within the ranges specified.
  • Page 5 1020S/1050S/1100S OPERATING MANUAL 2. Safety Terms and Symbols Safety Terms Terms in this manual (The following terms may appear in this manual): Warning: Warning indicates conditions or practices that could result in injury or loss of life. Caution: Caution indicates the conditions or practices that could result in damage to this product or other property.
  • Page 6 1020S/1050S/1100S OPERATING MANUAL It is not allowed to measure AC power when the AC powered oscilloscope is connected to the AC-powered PC through the ports. Warning: To avoid fire or electrical shock, when the oscilloscope input signal connected is more than 42V peak (30Vrms) or on circuits of more than 4800VA, please take note of below items: Only use accessory insulated voltage probes and test lead.
  • Page 7 1020S/1050S/1100S OPERATING MANUAL Front Panel The front panel has knobs and function buttons. The 5 buttons in the column on the right side of the display screen are menu selection buttons, through which, you can set the different options for the current menu.
  • Page 8 1020S/1050S/1100S OPERATING MANUAL Rear Panel Figure 3- 2 Rear Panel 1. Handle 2. Air vents 3. AC power input jack 4. Foot stool: Adjust the tilt angle of the oscilloscope. 5. USB Device port: It is used to transfer data when external USB equipment connects to the oscilloscope regarded as "slave device".
  • Page 9 1020S/1050S/1100S OPERATING MANUAL Figure 3- 3 Control Area Overview Function button area: Total 6 buttons. Horizontal control area with 1 button and 2 knobs. "HOR" button refer to horizontal system setting menu, "Horizontal Position" knob control trigger position, " Horizontal Scale" control time base.
  • Page 10 1020S/1050S/1100S OPERATING MANUAL Waveform Display Area. Run/Stop The state of trigger, including: Auto: Automatic mode and acquire waveform without triggering. Trig: Trigger detected and acquire waveform. Ready: Pre-triggered data captured and ready for a trigger. Scan: Capture and display the waveform continuously.
  • Page 11 1020S/1050S/1100S OPERATING MANUAL The readings show current sample rate. The readings indicate the corresponding Voltage Division and the Zero Point positions of the channels. "BW" indicates bandwidth limit. The icon shows the coupling mode of the channel. "—" indicates direct current coupling "～"...
  • Page 12 1020S/1050S/1100S OPERATING MANUAL How to Implement the Function Inspection Make a fast function check to verify the normal operation of the instrument, according to the following steps: Connect the power cord to a power source. Press the button on the bottom left of the instrument.
  • Page 13 1020S/1050S/1100S OPERATING MANUAL compensation deviation will result in the measuring error or mistake. For adjusting the probe compensation, please carry out the following steps: Set the attenuation coefficient of the probe in the menu as 10X and that of the switch in the probe as 10X (see "...
  • Page 14 1020S/1050S/1100S OPERATING MANUAL This setting will be valid all the time before it is changed again. Caution: The default attenuation coefficient of the probe on the instrument is preset to 10X. Make sure that the set value of the attenuation switch in the probe is the same as the menu selection of the probe attenuation coefficient in the oscilloscope.
  • Page 15 1020S/1050S/1100S OPERATING MANUAL Warning: To avoid electric shock, always keep your finger behind the safety guard ring of the probe during the operation. To protect you from suffering from the electric shock, do not touch any metal part of the probe tip when it is connected to the power supply.
  • Page 16 1020S/1050S/1100S OPERATING MANUAL Use the Vertical Position knob to show the signal in the center of the waveform window. The Vertical Position knob functions the regulating of the vertical display position of the signal. Thus, when the Vertical Position knob is rotated, the pointer of the earth datum point of the channel is directed to move up and down following the waveform.
  • Page 17 1020S/1050S/1100S OPERATING MANUAL consequent status information change. Turn the Horizontal Scale knob to change the horizontal time base, and it can be found that the Horizontal Time Base display in the status bar changes accordingly. Use the Horizontal Position knob to adjust the horizontal position of the signal in the waveform window.
  • Page 18 1020S/1050S/1100S OPERATING MANUAL Push the Force button to force a trigger signal, which is mainly applied to the "Normal" and "Single" trigger modes. 4. Advanced User Guidebook This chapter will deal with the following topics mainly: How to Set the Vertical System ...
  • Page 19 1020S/1050S/1100S OPERATING MANUAL Function Setting Description Menu Pass both AC and DC components of the input signal. Block the DC component of the input signal. Coupling Disconnect the input signal. Ground Display inverted waveform. Inverted Display original waveform. Match this to the probe attenuation factor to have an...
  • Page 20 1020S/1050S/1100S OPERATING MANUAL switch to OFF, the waveform goes back to its original one. To adjust the probe attenuation For correct measurements, the attenuation coefficient settings in the operating menu of the Channel should always match what is on the probe (see " How to Set the Probe Attenuation Coefficient "...
  • Page 21 1020S/1050S/1100S OPERATING MANUAL Turn the M knob to adjust the vertical position Vertical (div) of the Math waveform. Turn the M knob to adjust the voltage division Vertical (V/div) of the Math waveform. Prev Page Enter previous page Taking the additive operation between Channel 1 and Channels 2 for example, the operation steps are as follows: Press the Math button to display the math menu in the right.
  • Page 22 1020S/1050S/1100S OPERATING MANUAL Hamming Rectangle Blackman Window Select window for FFT. Hanning Kaiser Bartlett Vrms Select Vrms for Format. Format Select dB for Format. Next Page Enter next page Switch to select the horizontal position or frequency Hori (Hz) time base of the FFT waveform, turn the M...
  • Page 23 1020S/1050S/1100S OPERATING MANUAL Type Characteristics Window Better solution for magnitude than Rectangle, and good for frequency as well. It has slightly better frequency resolution than Hanning. Recommend to use for: Hamming  Sine, periodic and narrow band random noise. ...
  • Page 24 1020S/1050S/1100S OPERATING MANUAL Good for magnitude, but poorer frequency resolution than Hamming. Recommend to use for: Hanning  Sine, periodic and narrow band random noise.  Transients or bursts where the signal levels before and after the event are significantly different.
  • Page 25 1020S/1050S/1100S OPERATING MANUAL The analytic resolution of this control knob changes with the vertical division. The Vertical Scale knob is used to regulate the vertical resolution of the wave forms. The sensitivity of the vertical division steps as 1-2-5. The vertical position and vertical resolution is displayed at the left bottom corner of the screen (see Figure 4- 1 ).
  • Page 26 1020S/1050S/1100S OPERATING MANUAL Main window and the bottom half displays the Zoom window. The Zoom window is a magnified portion of the Main window. In normal mode, the Horizontal Position and Horizontal Scale knobs are used to adjust the horizontal position and time base of the Main window.
  • Page 27 1020S/1050S/1100S OPERATING MANUAL Single Trigger Single trigger has two types: edge trigger, video trigger. Edge Trigger: It occurs when the trigger input passes through a specified voltage level with the specified slope. Video Trigger: Trigger on fields or lines for standard video signal.
  • Page 28 1020S/1050S/1100S OPERATING MANUAL another trigger occur. Holdoff Set Holdoff time as default value (100 ns). Reset Prev Page Enter previous page Trigger Level: trigger level indicates vertical trig position of the channel, rotate trig level knob to move trigger level, during setting, a dotted line displays to show trig position, and the value of trigger level changes at the right corner, after setting, dotted line disappears.
  • Page 29 1020S/1050S/1100S OPERATING MANUAL Alternate Trigger (Trigger mode: Edge) Trigger signal comes from two vertical channels when alternate trigger is on. This mode is used to observe two unrelated signals. Trigger mode is edge trigger. Alternate trigger (Trigger Type: Edge) menu list:...
  • Page 30 1020S/1050S/1100S OPERATING MANUAL Function Menu Setting Description Sample Normal sampling mode. Use to capture maximal and minimal samples. Finding highest and Peak Detect lowest points over adjacent intervals. It is used for the detection of the Acqu Mode jamming burr and the possibility of reducing the confusion.
  • Page 31 1020S/1050S/1100S OPERATING MANUAL The operations of all control knobs are as follows: The Vertical Scale and the Vertical Position knobs of Channel 1 are used to set the horizontal  scale and position. The Vertical Scale and the Vertical Position knobs of Channel 2 are used to set the vertical scale ...

  • Page 32: Setting Description

    1020S/1050S/1100S OPERATING MANUAL Function Menu Setting Description Function Save Display the save function menu Type Wave Choose the saving type as wave. Choose the waveform to be saved. (Choose All to save all the waveforms that are turned on. You can...
  • Page 33 1020S/1050S/1100S OPERATING MANUAL Setting1…. Configure The setting address Setting8 Save the current oscilloscope configure to the Save internal storage Load Recall the configure from the selected address When the Type is selected as Image, the menu is shown as the following table:...
  • Page 34 1020S/1050S/1100S OPERATING MANUAL In order to save the waveform of CH1 and CH2 into the USB storage as a BIN file, the operation steps should be followed: Turn on CH1 and CH2 channels, turn off the Math channel. Push the Utility button, select Function in the right menu, select Save in the left menu. In the right menu, select Type as Wave.
  • Page 35 1020S/1050S/1100S OPERATING MANUAL two methods in format the USB disk, first by using computer system to format, the other one is through formatting software to format. (8G or above USB disk can only use the second method to format, that is through formatting software to format.)
  • Page 36 1020S/1050S/1100S OPERATING MANUAL Figure 4- 3: Format the USB disk warning Set File System as FAT32, Allocation unit size 4096. Check "Perform a quick format" to execute a quick format. Click OK, and then click Yes on the warning message.
  • Page 37 1020S/1050S/1100S OPERATING MANUAL Figure 4- 5: Formatting the USB disk Check whether the USB disk is FAT32 with allocation unit size 4096 after formatting. Use Minitool Partition Wizard to format Download URL: http://www.partitionwizard.com/free-partition-manager.html Tip: There are many tools for the USB disk formatting on the market, just take Minitool Partition Wizard for example here.
  • Page 38 1020S/1050S/1100S OPERATING MANUAL Figure 4- 7: Choose format Set File System FAT32, Cluster size 4096. Click OK. Figure 4- 8: Format setting Click Apply at the top left of the menu. Then click Yes on the pop-up warning to begin formatting.
  • Page 39 1020S/1050S/1100S OPERATING MANUAL Figure 4- 9: Apply setting Formatting process Figure 4- 10: Format process Format the USB disk successfully Figure 4- 11: Format successfully - 38 -...
  • Page 40 1020S/1050S/1100S OPERATING MANUAL How to Implement the Auxiliary System Function Setting ●Config Push the Utility button, select Function in the right menu, select Configure in the left menu. The description of Configure Menu is shown as the follows: Function Menu...
  • Page 41 1020S/1050S/1100S OPERATING MANUAL Function Menu Description Self Cal Carry out the self-calibration procedure. Default Call out the factory settings. ProbeCh. Check whether probe attenuation is good. Do Self Cal (Self-Calibration) The self-calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent.
  • Page 42 1020S/1050S/1100S OPERATING MANUAL process. To update your instrument firmware, do the following: Push the Utility button, select Function in the right menu, select Configure in the left menu, select About in the right menu. View the model and the currently installed firmware version.
  • Page 43 1020S/1050S/1100S OPERATING MANUAL Press to show the left menu, turn the M knob to select Meas Type the measure type, press AddCH2 again to add the AddCH2 (left menu) selected measure type of CH2. Hide the window of measures Show...
  • Page 44 1020S/1050S/1100S OPERATING MANUAL The automatic measurement of voltage parameters The oscilloscopes provide automatic voltage measurements including Mean, PK-PK, RMS, Max, Min, Vtop, Vbase, Vamp, OverShoot, PreShoot, Cycle RMS, and Cursor RMS. Figure 4- 13 below shows a pulse with some of the voltage measurement points.
  • Page 45 1020S/1050S/1100S OPERATING MANUAL Figure 4- 14 Rise Time: Time that the leading edge of the first pulse in the waveform takes to rise from 10% to 90% of its amplitude. Fall Time: Time that the falling edge of the first pulse in the waveform takes to fall from 90% to 10% of its amplitude.
  • Page 46 1020S/1050S/1100S OPERATING MANUAL high reference value in the waveform. FallEdgeCnt : The number of negative transitions from the high reference value to the low reference value in the waveform. Area : The area of the whole waveform within the screen and the unit is voltage-second.
  • Page 47 1020S/1050S/1100S OPERATING MANUAL Turn the M knob to move line a. Turn the M knob to move line b. Line Two cursors are linked. Turn the M knob to move the pair of cursors. Display the channel to which the cursor measurement will be Source applied.
  • Page 48 1020S/1050S/1100S OPERATING MANUAL Figure 4- 15 Time &Voltage Cursor Measurement Auto Cursor For the Auto Cursor type, the horizontal cursors are set as the intersections of the vertical cursors and the waveform. The Cursor Measurement for FFT mode In FFT mode, push the Cursor button to turn cursors on and display the cursor menu.
  • Page 49 1020S/1050S/1100S OPERATING MANUAL Turn the M knob to move line a. Turn the M knob to move line b. Line Two cursors are linked. Turn the M knob to move the pair of cursors. Display the channel to which the cursor measurement will be...
  • Page 50 1020S/1050S/1100S OPERATING MANUAL Channel Coupling Current Vertical Scale Adjust to the proper division. Horizontal Level Middle or ±2 div Horizontal Sale Adjust to the proper division Trigger Type Slope or Video Trigger Source CH1 or CH2 Trigger Coupling Trigger Slope...
  • Page 51 1020S/1050S/1100S OPERATING MANUAL Enable or disable sampling on input signals. Notice: When there is no sampling at STOP state, the vertical division and the horizontal time base of the waveform still can be adjusted within a certain range, in other words, the signal can be expanded in the horizontal or vertical direction.
  • Page 52 1020S/1050S/1100S OPERATING MANUAL The oscilloscope will implement the Autoset to make the waveform optimized, based on which, you can further regulate the vertical and horizontal divisions till the waveform meets your requirement. Perform Automatic Measurement The oscilloscope can measure most of the displayed signals automatically. To measure the period, the frequency of the CH1, following the steps below: (1) Push the Measure button to show the right menu.
  • Page 53 1020S/1050S/1100S OPERATING MANUAL " How to Set the Probe Attenuation Coefficient " on P- 12 -). Connect the oscilloscope CH1 channel with the circuit signal input end and the CH2 channel to the output end. Operation Steps: Push the Autoset button and the oscilloscope will automatically adjust the waveforms of the two channels into the proper display state.
  • Page 54 1020S/1050S/1100S OPERATING MANUAL etc. But the common problem is how to set up a trigger if you have no knowledge of the signal? For example, if the pulse is the logic signal of a TTL level, the trigger level should be set to 2 volts and the trigger edge be set as the rising edge trigger.
  • Page 55 1020S/1050S/1100S OPERATING MANUAL Figure 6- 3 Capturing a Single Signal Example 4: Analyze the Details of a Signal Noise is very common inside most of the electronic signal. To find out what's inside the noise and reduce the level of noise is very important function our oscilloscope is capable to offer.
  • Page 56 1020S/1050S/1100S OPERATING MANUAL Figure 6- 4 Signal with Noises Separate Noises from the Signal When focusing on signal itself, the important thing is to reduce the noise level as lower as possible, this would enable user to have more details about the signal. The Average function offered by our Oscilloscope can help you to achieve this.
  • Page 57 1020S/1050S/1100S OPERATING MANUAL Figure 6- 5 Reduce Noise level by using Average function Example 5: Application of X-Y Function Examine the Phase Difference between Signals of two Channels Example: Test the phase change of the signal after it passes through a circuit network.
  • Page 58 1020S/1050S/1100S OPERATING MANUAL (8) With the elliptical oscillogram method adopted, observe and calculate the phase difference (see Figure 6- 6 ). The signal must be centered and kept in the horizontal direction. Figure 6- 6 Lissajous Graph Based on the expression sin (q) =A/B or C/D, thereinto, q is the phase difference angle, and the definitions of A, B, C, and D are shown as the graph above.

  • Page 59: Troubleshooting

    1020S/1050S/1100S OPERATING MANUAL (2) In the right menu, select Type as Single. (3) In the right menu, select Single as Video. (4) In the right menu, select Source as CH1. (5) In the right menu, select Modu as NTSC. (6) In the right menu, press Next Page, select Sync as Field.
  • Page 60 1020S/1050S/1100S OPERATING MANUAL Look at the attenuation coefficient for the input channel and the attenuation ration of the probe, to make sure they are match (see " How to Set the Probe Attenuation Coefficient " on P- 12 -). There is a waveform displayed, but it is not stable.
  • Page 61 1020S/1050S/1100S OPERATING MANUAL Performance Characteristics Instruction Mode Normal, Peak detect, Averaging RuoShui 1020S 100 MS/s Acquisition Sample rate RuoShui 1050S 500 MS/s (real time) RuoShui 1100S 1 GS/s Input coupling DC, AC , Ground Input impedance 1 MΩ±2%, in parallel with 20 pF±5 pF Input coupling 1X，10X，100X，1000X...
  • Page 62 1020S/1050S/1100S OPERATING MANUAL Performance Characteristics Instruction Vertical Resolution (A/D) 8 bits (2 channels simultaneously) Sensitivity 5 mV/div～5 V/div ±2 V (5 mV/div – 100 mV/div) Displacement ±50 V (200 mV/div – 5 V/div) RuoShui 1020S 20 MHz Analog bandwidth RuoShui 1050S...
  • Page 63 1020S/1050S/1100S OPERATING MANUAL Performance Characteristics Instruction figure Phase ±3 degrees difference Communication USB 2.0 (USB storage） port Counter Support Trigger: Performance Characteristics Instruction Trigger level range Internal ±5 div from the screen center Trigger level Accuracy Internal ±0.3 div (typical)
  • Page 64 1020S/1050S/1100S OPERATING MANUAL Power Mains Voltage 100 - 240 VACRMS, 50/60 Hz, CAT Ⅱ Power Consumption < 15 W Fuse 2 A, T class, 250 V Environment Working temperature: 0 ℃ - 40 ℃ Temperature Storage temperature: -20 ℃ - 60 ℃...

  • Page 65: Appendix A: Enclosure

    1020S/1050S/1100S OPERATING MANUAL 9. Appendix Appendix A: Enclosure (The accessories subject to final delivery.) Standard Accessories: Power Cord CD Rom Quick Guide USB Cable Probe Probe Adjust Options: Soft Bag Appendix B: General Care and Cleaning General Care Do not store or leave the instrument where the liquid crystal display will be exposed to direct sunlight for long periods of time.
  • Page 66 1020S/1050S/1100S OPERATING MANUAL Caution: To avoid any damage to the instrument or probe, do not exposed it to any sprays, liquids, or solvents. Cleaning Inspect the instrument and probes as often as operating conditions require. To clean the instrument exterior, perform the following steps: Wipe the dust from the instrument and probe surface with a soft cloth.

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