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BNC P4025T User Manual

200mhz digital storage oscilloscope with touchscreen
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Model P4025T
200MHz Digital Storage Oscilloscope
With Touchscreen
User Manual

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Summary of Contents for BNC P4025T

  • Page 1 Model P4025T 200MHz Digital Storage Oscilloscope With Touchscreen User Manual...
  • Page 2 The information in this manual was correct at the time of printing. However, Berkeley Nucleonics will continue to improve products and reserves the rights to change specification at any time without notice. BNC is the registered trademark of Berkeley Nucleonics. Berkeley Nucleonics Corporation...
  • Page 3 General Warranty BERKELEY NUCLEONICS warrants that the product will be free from defects in materials and workmanship for a period of 3 years from the date of purchase of the product by the original purchaser from the BERKELEY NUCLEONICS Company. The warranty period of accessories such as probe, battery, adapter is 12 months.

  • Page 4: Table Of Contents

    Table of Contents 1. General Safety Requirements ..................1 2. Safety Terms and Symbols ....................2 3. Junior User Guidebook ....................4 Introduction to the Structure of the Oscilloscope ..............5 Front Panel ............................... 5 Rear Panel ..............................6 Control Area ............................. 7 User Interface Introduction ......................
  • Page 5 How to Save and Recall a Waveform ..................... 59 How to Record/Playback Waveforms ....................66 How to Clone and Recall a waveform ....................69 How to Implement the Auxiliary System Function Setting ..............74 How to Update your Instrument Firmware..................... 78 How to Measure Automatically......................
  • Page 6 Testing for Continuity .......................... 104 Measuring Capacitance ........................104 Multimeter Features ........................ 104 Data Hold Mode ........................... 104 Making Relative Measurements ......................105 Information Display ..........................105 Auto or Manual Range ......................... 105 Multimeter Recorder....................... 105 7. Communication with PC ..................... 108 Using USB Port ........................
  • Page 7 Appendix B: General Care and Cleaning ................141 Appendix C: Battery Using Guide ..................142...

  • Page 8: General Safety Requirements

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 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. In order to avoid any contingent danger, ensure this product is only used within the range specified.

  • Page 9: Safety Terms And Symbols

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 2. Safety Terms and Symbols Safety Terms Terms in this manual. The following terms may appear in this manual: Warning: Warning indicates the conditions or practices that could result in injury or loss of life.
  • Page 10 Use with caution when the probe is set as 1:1.  Do not use exposed metal BNC or banana plug connectors.  Do not insert metal objects into connectors.

  • Page 11: Junior User Guidebook

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 3. Junior User Guidebook This chapter deals with the following topics mainly:  Introduction to the structure of the oscilloscope  Introduction to the user interface  How to implement a general inspection ...

  • Page 12: Introduction To The Structure Of The Oscilloscope

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Introduction to the Structure of the Oscilloscope This chapter makes a simple description of the operation and function of the front panel of the oscilloscope, enabling you to be familiar with the use of the oscilloscope in the shortest time.

  • Page 13: Rear Panel

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope interface. 9. USB Host port: It is used to transfer data when external USB equipment connects to the oscilloscope regarded as "host device". For example: Saving the waveform to USB flash disk needs to use this port.

  • Page 14: Control Area

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Control Area Figure 3-3 Control Area Overview 1. Function button area: Total 11 buttons 2. Waveform generator controls (optional) DAQ: Multimeter Recorder (see "Multimeter Recorder" on P105) P/F: Pass/Fail (see "Pass/Fail" on P76) W.REC: Waveform Record (see "How to Record/Playback Waveforms"...

  • Page 15: User Interface Introduction

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope menu on the left and right. User Interface Introduction Figure 3-4 Illustrative Drawing of Display Interfaces 1. Waveform Display Area. 2. Run/Stop (touchable on touchscreen) (see "How to Use Executive Buttons" on P89) The state of trigger, including: Auto: Automatic mode and acquire waveform without triggering.
  • Page 16 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 10. It shows setting time (see "Config" on P74). 11. Wi-Fi is activated. 12. It indicates that there is a USB disk connecting with the oscilloscope. 13. Indicating battery power status (see "Display" on P75).

  • Page 17: How To Implement The General Inspection

    Manual. You can check whether there is any loss of accessories with reference to this description. If it is found that there is any accessory lost or damaged, please get in touch with the distributor of BNC responsible for this service or the BNC's local offices. 3. Check the Complete Instrument...

  • Page 18: How To Implement The Probe Compensation

    Model P4025T Four Channel 200MHz Oscilloscope CH1 Channel. Align the slot in the probe with the plug in the CH1 connector BNC, and then tighten the probe with rotating it to the right side. Connect the probe tip and the ground clamp to the connector of the probe compensator.

  • Page 19: How To Set The Probe Attenuation Coefficient

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Overcompensated Compensated correctly Under compensated Figure 3-6 Displayed Waveforms of the Probe Compensation 3. Repeat the steps mentioned if needed. Figure 3-7 Adjust Probe How to Set the Probe Attenuation Coefficient The probe has several attenuation coefficients, which will influence the vertical scale factor of the oscilloscope.

  • Page 20: How To Use The Probe Safely

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 3-8 Attenuation Switch Caution: When the attenuation switch is set to 1X, the probe will limit the bandwidth of the oscilloscope in 5MHz. To use the full bandwidth of the oscilloscope, the switch must be set to 10X.

  • Page 21: Introduction To The Vertical System

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope of ambient temperature is 5℃ or over. Before performing a self-calibration, disconnect all probes or wires from the input connector. Push the Utility button, select Function in the bottom menu, select Adjust.

  • Page 22: Introduction To The Horizontal System

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope If the channel is under the DC coupling mode, you can rapidly measure the DC component of the signal through the observation of the difference between the wave form and the signal ground.

  • Page 23: Introduction To The Trigger System

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope the waveform window. The Horizontal Position knob is used to control the triggering displacement of the signal or for other special applications. If it is applied to triggering the displacement, it can be observed that the waveform moves horizontally with the knob when you rotate the Horizontal Position knob.
  • Page 24 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope touchable icon at the top right of the screen is used to enable ( ) or disable ( ) the touchscreen controls. The instruction of touchscreen controls is as below.  Run/Stop: Click the on the left top of the display area to run or stop the waveform sampling.
  • Page 25 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope  Set the channel status: Click the channel on the left bottom of the display area, you can turn on, select or turn off the channel. You can also touch the channel pointer on the left side of the display area to make it in selected state.
  • Page 26 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope  Set the trigger level Click in the area as shown in the figure below, the L icon will appear. Click anywhere outside the icon to hide it. Note: Swipe up/down in this area, you can make the icon appear and control it.
  • Page 27 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope When the M and V icons appear, in the full screen, swipe left/right to change the time base, swipe up/down to change the voltage division of the selected channel. Click the icons to fine-turn, long-press to adjust continuously.
  • Page 28 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope When the C icon appears, in the full screen, swipe left/right to move the selected line. Click the direction buttons of the C icon to fine-turn, long-press to move continuously. Click the center "ab" button to select a, b, or a&b.

  • Page 29: Advanced User Guidebook

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 4. Advanced User Guidebook Up till now, you have already been familiar with the basic operations of the function areas, buttons and knobs in the front panel of the oscilloscope. Based the introduction of the previous Chapter, the user should have an initial knowledge of the determination of the change of the oscilloscope setting through observing the status bar.

  • Page 30: How To Set The Vertical System

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope How to Set the Vertical System The VERTICAL CONTROLS includes three menu buttons such as CH1, CH2, CH3, CH4 and Math, and two knobs such as Vertical Position, Vertical Scale. Setting of CH1 - CH4 Each channel has an independent vertical menu and each item is set respectively based on the channel.
  • Page 31 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (3) Select DC in the right menu. Both DC and AC components of the signal are passed. (4) Select AC in the right menu. The direct current component of the signal is blocked.

  • Page 32: Use Mathematical Manipulation Function

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Use Mathematical Manipulation Function The Mathematical Manipulation function is used to show the results of the addition, multiplication, division and subtraction operations between two channels, the FFT operation for a channel, advanced math feature including Intg, Diff, Sqrt, user defined function, and digital filter.

  • Page 33: Waveform Math

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope User Intg, Diff, Sqrt, and user defined function Function channel Select channel Only the signals whose frequencies are low-pass lower than the current cut-off frequency can pass the filter. Only the signals whose frequencies are...

  • Page 34: User Defined Function

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 6. Select Vertical (div) in the right menu, turn the M knob to adjust the vertical position of Math waveform. 7. Select Vertical (V/div) in the right menu, turn the M knob to adjust the vertical division of Math waveform.

  • Page 35: Using Fft Function

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Using FFT function The FFT (fast Fourier transform) math function mathematically converts a time-domain waveform into its frequency components. It is very useful for analyzing the input signal on Oscilloscope. You can match these frequencies with known system frequencies, such as system clocks, oscillators, or power supplies.
  • Page 36 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Best solution for frequency, worst for magnitude. Best type for measuring the frequency spectrum of nonrepetitive signals and measuring frequency components near DC. Recommend to use for: Rectangle  Transients or bursts, the signal level before and after the event are nearly equal.

  • Page 37: Use Vertical Position And Scale Knobs

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope  DC component or offset can cause incorrect magnitude values of FFT waveform. To minimize the DC component, choose AC Coupling on the source signal.  To reduce random noise and aliased components in repetitive or single-shot events, set the oscilloscope acquisition mode to average.

  • Page 38: How To Set The Horizontal System

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-1 Information about Vertical Scale How to Set the Horizontal System Horizontal control system includes Horizontal HOR key, Horizontal Position knob and Horizontal Scale knob.  Horizontal Position knob: Adjust the horizontal positions of all channels (including mathematical operations).

  • Page 39: Magnifier (For Specific Models)

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Magnifier (For specific models) After the magnifier function is turned on, the magnifier window can enlarge the waveform selection area horizontally and vertically so that the user can observe the waveform easily.

  • Page 40: How To Set The Trigger/Decoding System

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Note：  When the waveform is stopped, if the channel voltage scale is changed, the magnifier function will be turned off.  When the touch screen is available, drag the red selection box directly.

  • Page 41: Single Trigger

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope simultaneously. Logic trigger: Trigger the signal according to the condition of logic relationship. Bus trigger: Set bus timing trigger. The Single Trigger, Logic Trigger and Bus Trigger menus are described respectively as follows:...
  • Page 42 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Channel 1 as trigger signal. Channel 2 as trigger signal. Source Channel 3 as trigger signal. Channel 4 as trigger signal. AC Line AC power line as trigger signal. Block the direct current component.
  • Page 43 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope SECAM Line Synchronic trigger in video line Field Synchronic trigger in video field Synchronic trigger in video odd filed Sync Even Synchronic trigger in video even field Line NO. Synchronic trigger in designed video line, turn the M...
  • Page 44 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs, acquire one waveform then stop Mode 100 ns - 10 s, adjust M knob or click...
  • Page 45 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs, acquire one waveform then stop Mode 100 ns – 10 s, turn the M knob or click...
  • Page 46 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Adjust the M knob or click to set the up level Up Level threshold. Threshold Adjust the M knob or click to set the low level Low Level threshold. Positive Polarity, the oscilloscope triggers on the Polarity positive runt pulse.
  • Page 47 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Windows Trigger menu list: MENU SETTING INSTRUCTION Single Windows Set vertical channel trigger type as Windows trigger. Mode Select CH1 as the trigger source Select CH2 as the trigger source Source Select CH3 as the trigger source...
  • Page 48 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 7.Timeout Trigger The oscilloscope triggers when the time interval from when the rising edge (or the falling edge) passes through the trigger level to when the neighbouring falling edge (or the rising edge) passes through the trigger level is greater than the timeout time set.
  • Page 49 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope M. Wherein, M, P1, P2, P3 and P4 are positive or negative pulse width participating in the counting. In Nth Edge Trigger mode, the trigger setting information is displayed on bottom right ，...

  • Page 50: Logic Trigger

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs, acquire one waveform then stop Mode 100 ns - 10 s, adjust M knob or click...

  • Page 51: Bus Trigger

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Trigger when the time of true condition is lower than Is True < the set time Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Single When trigger occurs, acquire one waveform then stop...
  • Page 52 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Inve rted Trigger on the start frame of position. After choosing Start this condition, press Configure to enter detailed settings. Trigger when error frame is detected. After choosing Error this condition, press Configure to enter detailed settings.
  • Page 53 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope I2C Trigger menu list: MENU SETTING INSTRUCTION Bus Type Set vertical channel bus type as I2C trigger. Set SCL. Source Set SDA. Trigger when SDA data transitions from high to low Start while SCL is high.
  • Page 54 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Trigger when Address and Data conditions are met at Addr / Data the same time . Mode Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Holdoff Single When trigger occurs, acquire one waveform then stop 3.
  • Page 55 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope All Bits Set all the data bits to be the specified value in Data. Mode Auto Acquire waveform even no trigger occurred Normal Acquire waveform when trigger occurred Holdoff Single When trigger occurs, acquire one waveform then stop 4.

  • Page 56: Bus Decoding (Optional)

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Turn the M knob (or tap on in touchscreen) to set the Custom Baud. The range is 10,000 to 1,000,000. Baud Tip: You can select the nearest value in Common Baud, and then adjust it in this menu.
  • Page 57 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope stable display. Refer to "RS232 Trigger" on page 44. (4) Push the Decode button on the front panel. Select bus type as RS232. set parameters based on the characteristics of the signal. When the parameters are set correctly, the information carried by the signal will be displayed.
  • Page 58 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 2. I2C Decoding To decode I2C signal: (1) Connect the clock line (SCLK) and the data line (SDA) of the I2C signal to the Signal Input Channels of the oscilloscope. (2) Adjust to the proper time base and voltage division.
  • Page 59 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 3. SPI Decoding To decode SPI signal: (1) Connect the clock line (SCLK) and the data line (SDA) of the SPI signal to the Signal Input Channels of the oscilloscope. (2) Adjust to the proper time base and voltage division.
  • Page 60 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope If a USB storage device is currently connected to the Save instrument, save the event table data in a .csv (spreadsheet) EventTable formatted file on the external USB storage device. ASCII Select "ON" to display the ASCII table.

  • Page 61: How To Operate The Function Menu

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Binary Decimal Set the display format of the bus. Format ASCII Select "ON" to display the event table. EventTable Display If a USB storage device is currently connected to the Save instrument, save the event table data in a .csv (spreadsheet) EventTable formatted file on the external USB storage device.
  • Page 62 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope two channels; max 40M for one channel. The description of PERF Mode menu (only for the oscilloscope with A in the model name) is shown as follows: Function Menu Setting Description 8-bit...

  • Page 63: How To Set The Display System

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-5 Linear interpolation How to Set the Display System Push the Display button and the Display menu is shown as follows: Function Menu Setting Description Dots Only the sampling points are displayed.
  • Page 64 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope the new data is in bright color. (1) Push the Display button. (2) Select Persist&Color in the bottom menu. (3) Select Persist in the right menu. (4) In the Time menu, select the persist time, including OFF, 1 Second, 2 Seconds, 5 Seconds and Infinity.
  • Page 65 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-6 The color temperature function is on XY Format This format is only applicable to Channel 1 and Channel 2. After the XY display format is selected, Channel 1 is displayed in the horizontal axis and Channel 2 in the vertical axis;...

  • Page 66: How To Save And Recall A Waveform

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 3. To make the XY view full screen, select Full Screen as ON in the right menu. Counter It is a 6-digit single-channel counter. The counter can only measure the frequency of the triggering channel.
  • Page 67 " on P54); Record Length menu Storage External the file name is editable. The BIN waveform file could be open by BNC waveform analysis software (on the supplied CD). When the type is Configure, the menu shows as following: Setting0 …..
  • Page 68 The default name is current system date and time. Select the key in the keyboard to confirm. 8. Recalling: The BIN waveform file could be open by BNC waveform analysis software (on the supplied CD). Tip: Whatever the Type of save menu is set, you can save the waveform by just pressing the Copy panel button in any user interface.
  • Page 69 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Save the current screen image: The screen image can only be stored in USB disk, so you should connect a USB disk with the instrument. 1. Install the USB disk: Insert the USB disk into the "USB Host port" of "Figure 3-1 Front panel".
  • Page 70 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-7: Disk Management of computer 4. Right click 1 or 2 red mark area, choose Format. And system will pop up a warning message, click Yes. Figure 4-8: Format the USB disk warning 5.
  • Page 71 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-9: Formatting the USB disk setting 6. Formatting process. Figure 4-10: 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...
  • Page 72 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 3. Click Reload Disk on the pull-down menu at the top left or push keyboard F5, and information about the USB disk will display on the right side with red mark 1 and Figure 4-11: Reload Disk 4.

  • Page 73: How To Record/Playback Waveforms

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 6. Click Apply at the top left of the menu. Then click Yes on the pop-up warning to begin formatting. Figure 4-14: Apply setting 7. Formatting process Figure 4-15: Format process Format the USB disk successfully...
  • Page 74 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope storage medium contains two kinds: Internal and External. When the storage medium is Internal, Wave Record contains four modes: OFF, Record, Playback and Storage. When storage medium is External, Wave Record contains two modes: OFF, Record.
  • Page 75 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Turn the M knob to select the number of start frame to Start frame Storage store (1 - 1000) Mode Turn the M knob to select the number of end frame to...

  • Page 76: How To Clone And Recall A Waveform

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Both of the waveforms of Channel 1 and Channel 2 will be recorded. If a Channel is turned off while recording, the waveform of the channel is invalid in the playback mode.
  • Page 77 USB memory device; and the waveform between two cursors can be output directly without save operation. You can also use BNC AG1022F or AG2052F signal generator to read *.ota files and recall the cloned waveforms. Clone Wave menu shows as follows:...
  • Page 78 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Turn the M knob to move line a. Turn the M knob to move line b. Two cursors are linked. Turn the M knob to move the pair of cursors. Set the cursors to select the entire screen automatically.
  • Page 79 (Generator is available and internal storage is selected) Output Output the waveform stored in the selected object. The following steps take BNC oscilloscope with dual-channel AG for instance. To save the CH1 waveform and save to the internal/USB memory: (1) Push Save button.
  • Page 80 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope generator: (The generator is optional.) (1) Push button to set the output channel of the generator. (2) Select Arb in the bottom menu, select Others in the right menu, and select File Browse.

  • Page 81: How To Implement The Auxiliary System Function Setting

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope SIZE File size 4 bytes int Used to check the file integrity VOLT Parameter name Meaning Value Comment VOLT Voltage division, 4 bytes float The value indicates voltage divided by 400 is (the unit is mV), such as 200 ADC resolution.
  • Page 82 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope the left menu. The description of Configure Menu is shown as the follows: Function Menu Setting Description Choose the display language of the operating Language system. Display On/Off the date display Set Time...
  • Page 83 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Do Self Cal (Self-Calibration) The self-calibration procedure can improve the accuracy of the oscilloscope under the ambient temperature to the greatest extent. If the change of the ambient temperature is up to or exceeds 5℃, the self-calibration procedure should be executed to obtain the highest level of accuracy.
  • Page 84 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Number Select any one from Rule1 - Rule8 as your rule name SaveRule Save Select Save to save the rule Load Load some rule as the testing rule The description of Pass/fail Menu is shown as the follows:...

  • Page 85: How To Update Your Instrument Firmware

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Trig level Output trig signal synchronously Pass/fail Output High Level when Pass , and Low Level when Fail Type CH2 Output of dual-channel waveform generator Output (optional) VGA menu item in the bottom menu sets the output of VGA port. Connect the VGA port to an external monitor or projector.
  • Page 86 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope damage to the instrument, do not power off the instrument or remove the USB memory device during the update process. To update your instrument firmware, do the following: 1. Push the Utility button, select Function in the bottom menu, select Configure in the left menu, select About in the bottom menu.

  • Page 87: How To Measure Automatically

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope How to Measure Automatically Push the Measure button to display the menu for the settings of the Automatic Measurements. At most 8 types of measurements could be displayed on the bottom left of the screen.
  • Page 88 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 4. In the right menu, select CH1 in the Source menu item. 5. In the right menu, select Add. The period type is added. 6. In the left Type menu, turn the M knob to select Frequency.
  • Page 89 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-19 Mean: The arithmetic mean over the entire waveform. PK-PK: Peak-to-Peak Voltage. RMS: The true Root Mean Square voltage over the entire waveform. Max: The maximum amplitude. The most positive peak voltage measured over the entire waveform.
  • Page 90 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-20 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 91: How To Measure With Cursors

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope reference crossing in the waveform. RiseEdgeCnt : The number of positive transitions from the low reference value to the 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.
  • Page 92 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Display the channel to which the cursor Source CH1 to CH4 measurement will be applied. Perform the following operation steps for the time and voltage cursor measurement of the channel CH1: Push Cursor to display the cursor menu.
  • Page 93 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 4-22 Auto Cursor The Cursor Measurement for FFT mode In FFT mode, push the Cursor button to turn cursors on and display the cursor menu. The description of the cursor menu in FFT mode is shown as the following table:...

  • Page 94: How To Use Autoscale

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Display the channel to which the cursor Source Math FFT measurement will be applied. Perform the following operation steps for the amplitude and frequency cursor measurement of math FFT: 1. Press the Math button to display the math menu in the bottom. Select FFT. In the right menu, select Format.
  • Page 95 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Show Multi-period waveforms. Wave Only show one or two periods. To measure the signal using autoscale, you can do as the follows: 1. Push the Autoscale button, the function menu will appear.

  • Page 96: How To Use Built-In Help

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 6. When video triggering, the horizontal time scale is 50us. 7. While the Autoscale is working, the settings below will be made forcibly: The DSO will switch from the wave zoom mode to the normal mode.
  • Page 97 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Pass/Fail Inverted Zoom Mode Exit Record Length If greater than 10M, it will be set to 10M Waveform Math or Waveform Record Slow-scan Persist Note: When the autoscale is turned on and running, the Autoset button is invalid.

  • Page 98: How To Print The Screen Image

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope function may be invalid. Run/Stop: 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 99: Use The Arbitrary Function Generator (Optional To Specific Models)

    & Pass/Fail output. Figure 5-1 Generator Output Ports (Dual-channel) To see the output of the generator, connect the other end of the BNC cable to one of the input channels on the front of the oscilloscope. To Set Channels...

  • Page 100: To Set Signals

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope  To Turn On/Off Output of Channels Push to turn on/off output of the corresponding channel. The indicator will be lighted when the corresponding channel is tuned on.  Channel Copy menu Push button to switch to Channel Copy menu.

  • Page 101: To Set The Period

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope  Turn the M knob to change the value of cursor position. Press direction key to move the cursor.  Use the input keyboard: Push the M knob, an input keyboard will pop up. Turn the M knob to move between the keys.

  • Page 102: To Set The Offset

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope To Set the Offset Select Offset in the right menu (if Offset is not displayed, select Low Level and select it again to switch to Offset). Set the parameter in the right menu.

  • Page 103: Create A New Waveform

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Level, Offset/Low Level, New, File Browse, Built-in. You can operate the menu by using the menu selection buttons on the right. To set the Frequency/Period, Start Phase, Amplitude/High Level, Offset/Low Level, please refer to To Output Sine Signals on page 93.

  • Page 104: File Browse

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Enter the desired storage path, select Save in the right menu, an input keyboard pops up, input the file name, choose in the keyboard to confirm . The waveform is saved as BIN file in the folder.
  • Page 105 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (4) Turn the M knob to select the desired waveform (or touch if the LCD is touchscreen). E.g. select Noise. Select Select to output the noise waveform. Note: For single-channel, you can push on the front panel to output DC.

  • Page 106: Frequency Response Analysis

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Natural logarithm function Cubic Cubic function Cauchy Cauchy distribution Besselj BesselI function Bessely BesselII function Error function Airy Airy function Windows Rectangle Rectangle window Gauss Gauss distribution Hamming Hamming window Hann Hanning window...
  • Page 107 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Check to enable FRA function and show FRA scale FRA line and chart. When unchecked, FRA information is shown on the FRA window. Transparent When checked, FRA information is shown on the FRA...

  • Page 108: Use The Multimeter (Optional)

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 6. Use the Multimeter (Optional) Input Terminals The input terminals are on the back of the oscilloscope, which marked as 10A, mA, COM, V/Ω/C. Figure 6-1 Multimeter Input Terminals DMM Menu Push DMM button on the front panel to enter/exit the multimeter function. The button backlight will be lighted when the multimeter function is enabled.

  • Page 109: Dmm Information Window

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope When making relative measurements, reading is the Relative difference between a stored reference value and the input signal. Show Info Show/Hide the information window ON OFF Configure Auto Range Select auto range mode...

  • Page 110: Making Multimeter Measurements

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 7. The reference value of the relative measurement. 8. Range of measuring current: mA or 10A. 9. AC or DC when measuring current or voltage. Making Multimeter Measurements Measuring AC or DC Current To measure a AC or DC current which is less than 400 mA, do the following: (1) Push DMM button on the front panel.

  • Page 111: Measuring Resistance

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Measuring Resistance (1) Push DMM button on the front panel. Select in the bottom menu, select R. (2) Connect the black test lead to the COM terminal on the back of the oscilloscope and the red test lead to the V/Ω/C terminal.

  • Page 112: Making Relative Measurements

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Making Relative Measurements When making relative measurements, reading is the difference between a stored reference value and the input signal. (1) Select Configure in the bottom menu, select Relative in the right menu to enter the relative mode.
  • Page 113 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Enable Turn on or off the recorder. STRT Start or stop recording. STOP Internal Storage Save to internal storage or USB memory device. External When internal storage is selected, you can export the internal record Export file to a USB memory device.
  • Page 114 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope and create charts based on the data. In the following steps, Microsoft Excel 2010 is used as an example. 1. Open Multimeter_Recorder.csv in Excel. Interval Measurement mode Reference value of the relative measurements 2.

  • Page 115: Communication With Pc

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 7. Communication with PC The oscilloscope supports communications with a PC through USB, LAN port or Wi-Fi. You can use the Oscilloscope communication software to store, analyze, display the data and remote control.

  • Page 116: Using Lan Port

    IP address to 192.168.1.71. Figure 7-2 Set the network parameters of the computer (3) Set the network parameters of the BNC Oscilloscope Software. Run the software on the computer; choose the "Ports-settings" of the "Communications" menu item. Set "Connect using"...

  • Page 117: Connect Through A Router

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 7-3 Set the network parameters of the BNC Oscilloscope Software (4) Set the network parameters of the oscilloscope. In the oscilloscope, push the Utility button. Select Function in the bottom menu. Select LAN Set in the left menu. In the bottom menu, set the Type item as LAN, and select Set.
  • Page 118 192.168.1.71, Subnet mask is 255.255.255.0, Default gateway is 192.168.1.1. Figure 7-5 Set the network parameters of the computer (3) Set the network parameters of the BNC Oscilloscope Software. Run the software on the computer; choose the "Ports-settings" of the "Communications" menu item. Set "Connect using"...

  • Page 119: Using Wi-Fi To Connect With Pc (Optional)

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (4) Set the network parameters of the oscilloscope. In the oscilloscope, push the Utility button. Select Function in the bottom menu. Select LAN Set in the left menu. In the bottom menu, set the Type item as LAN, and select Set. In the right menu, set IP and Port to the same value as the "Ports-settings"...

  • Page 120: Connect With Pc As Wi-Fi Station

    (7) Set Wi-Fi connection on PC. Enter the Wi-Fi settings on PC, select the oscilloscope access point to connect, enter the set password. (8) Set the network parameters of the BNC Oscilloscope Software. Run the software on the computer; choose the "Ports-settings" of the "Communications" menu item. Set "Connect using"...
  • Page 121 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope LAN Set in the left menu. In the bottom menu, set the Type item as WIFI-STA, and select Set in the bottom menu. (2) In the right menu, select SSID, a keyboard will pop up. Input the name of the Wi-Fi hotspot.
  • Page 122 Model P4025T Four Channel 200MHz Oscilloscope Figure 7-9 Set the network parameters of the computer (8) Set the network parameters of the BNC Oscilloscope Software. Run the software on the computer; choose the "Ports-settings" of the "Communications" menu item. Set "Connect using"...

  • Page 123: Communication With Android Device Via Wi-Fi (Optional)

    System Requirements of Mobile Devices  Android Versions: 4.0 and above Install the application software Install the free BNC application software, it can be downloaded from here: Visit www.berkeleynucleonics.com to download APK file and install into the device. Note: The help content below may be not completely consistent with the application software, only for reference.
  • Page 124 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (6) Select Save set in the bottom menu to save current settings. (7) In Android device, enter the Wi-Fi settings, select the oscilloscope access point to connect, enter the set password. (8) In Android device, launch the application.

  • Page 125: Connect With App As Wi-Fi Station

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Connect with APP as Wi-Fi Station (1) In the oscilloscope, push the Utility button. Select Function in the bottom menu. Select LAN Set in the left menu. In the bottom menu, set the Type item as WIFI-STA, and select Set in the bottom menu.
  • Page 126 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (8) In Android device, launch the application. (9) Click connect on the left. (10) Set IP and Port to the same value as the setting in the oscilloscope. Click Confirm to connect. Click History to recall the history settings.

  • Page 127: User Interface

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope User Interface Horizontal Position Pointer Touch to enter Trigger Level （Selected） Voltage division of CH Touch to Show/hide Time Base & (Touch to select CH, touch stop/continue to menu Horizontal again to turn CH on/off.)
  • Page 128 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Control Menu Touch to enter the control Touch to autoset interface of the generator Control Interface of the Generator Turn on/off output Select Select of selected channel channel waveform Set the parameters...

  • Page 129: Gestures Control

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Cursor Menu Check to Check to measure time measure voltage The cursor line can be dragged. Cursor Measurement Setting Menu APP Information Gestures Control Show the vertical position when gesturing Control the...
  • Page 130 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Control the horizontal position Pinch and spread vertically to change the voltage division of current channel Pinch and spread horizontally to change the time base...

  • Page 131: Demonstration

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 9. Demonstration Example 1: Measurement a Simple Signal The purpose of this example is to display an unknown signal in the circuit, and measure the frequency and peak-to-peak voltage of the signal.

  • Page 132: Example 2: Gain Of A Amplifier In A Metering Circuit

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Figure 9-1 Measure period and frequency value for a given signal Example 2: Gain of a Amplifier in a Metering Circuit The purpose of this example is to work out the Gain of an Amplifier in a Metering Circuit.

  • Page 133: Example 3: Capturing A Single Signal

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (11) Calculate the amplifier gain with the following formulas. Gain = Output Signal / Input signal Gain (db) = 20×log (gain) Figure 9-2 Waveform of Gain Measurement Example 3: Capturing a Single Signal It's quite easy to use Digital Oscilloscope to capture non-periodic signal, such as a pulse and burr etc.

  • Page 134: Example 4: Analyze The Details Of A Signal

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (6) Select the first menu item in the bottom menu. Select Single in the right menu. (7) In the left menu, select Edge as the mode. (8) Select Source in the bottom menu. Select CH1 in the right menu.
  • Page 135 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope noise and reduce the level of noise is very important function our oscilloscope is capable to offer. Noise Analysis The level of noise sometime indicates a failure of electronic circuit. The Peak Detect functions acts an important role to help you to find out the details of these noise.

  • Page 136: Example 5: Application Of X-Y Function

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope obtained from averaging the waveforms of different average number. User would see a much reduced random noise level and make it easy to see more details of the signal itself. After applying Average, user can easily identify the burrs on the rising and falling edges of some part of the signal (see Figure 9-5).
  • Page 137 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope (5) Push CH1 button to select CH1, turn the Vertical Scale knob, and then push CH2 button to select CH2, turn the Vertical Scale knob, making the amplitudes of two signals equal in the rough.

  • Page 138: Example 6: Video Signal Trigger

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Example 6: Video Signal Trigger Observe the video circuit of a television, apply the video trigger and obtain the stable video output signal display. Video Field Trigger For the trigger in the video field, carry out operations according to the following steps: (1) Push the Trigger Menu button to display the trigger menu.

  • Page 139: 10. Troubleshooting

     Restart the instrument after completing the checks above.  If the problem persists, please contact BNC and we will be under your service. 2. After acquiring the signal, the waveform of the signal is not displayed in the screen.

  • Page 140: 11. Technical Specifications

    11. Technical Specifications Unless otherwise specified, the technical specifications applied are for BNC Model P4025T Four Channel Oscilloscope only, and Probes attenuation set as 10X. Only if the oscilloscope fulfills the following two conditions at start up, these specification standards can be reached.
  • Page 141 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Performance Characteristics Instruction Four CH 500 MSa/s 8 bits Dual CH* 1 GSa/s mode Single CH 1 GSa/s Four CH 250 MSa/s 12 bits P4025T Dual CH* 500 MSa/s mode Single CH 500 MSa/s...
  • Page 142 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Performance Characteristics Instruction 0.05 Sa/s - Four CH 500 MSa/s 8 bits 0.05 Sa/s - Dual CH* mode 1 GSa/s 0.05 Sa/s - Single CH 1 GSa/s 0.05 Sa/s - Four CH...
  • Page 143 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Performance Characteristics Instruction Single bandwidth P4025T DC to 200 MHz Low Frequency ≥10 Hz (at input, AC coupling, -3 dB) Rise time (at input, Typical) P4025T ≤ 1.75 ns DC gain accuracy 1 mV ±3%...

  • Page 144: Trigger

    Printer PictBridge Compatibility Counter Support For P4025T, Max Sample rate (real time) for Dual CH should meet the following conditions: CH1 and CH2 can not be turned on simultaneously, CH3 and CH4 can not be turned on simultaneously.  CH1&CH3 on, the others off;...

  • Page 145: Waveform Generator

    (optional) Baud Rate Common, Custom Sample Point 5% to 95% Frame Type Data, Remote, Error, Overload Waveform Generator (Optional) Single channel AG is optional to P4025T. Performance Instruction Characteristics Max Frequency Output 25 MHz Sample Rate 125 MSa/s Channel 1 or 2...

  • Page 146: Multimeter

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope Amplitude Range 2 mVpp - 6 Vpp Waveform length Standard Waveforms Sine, Square, Ramp, and Pulse Exponential Rise, Exponential Fall, Sin(x)/x, Step Wave, Noise, and others, total 46 built-in waveforms, and user-...
  • Page 147 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 3.7V, 13200mAh The battery can last approximately 2 to 4 hours (differ in Battery (optional) models) after a full recharge. Environment Working temperature: 0 ℃ - 40 ℃ Temperature Storage temperature: -20 ℃ - 60 ℃...

  • Page 148: 12. Appendix

    Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 12. Appendix Appendix A: Enclosure (The accessories subject to final delivery.) Standard Accessories: Power Cord CD Rom Quick Guide USB Cable Probe Probe Adjust Options: Multimeter Lead Capacitance Battery Soft Bag Ext Module...
  • Page 149 Berkeley Nucleonics Model P4025T Four Channel 200MHz Oscilloscope 2. Disconnect power before cleaning your Oscilloscope. Clean the instrument with a wet soft cloth not dripping water. It is recommended to scrub with soft detergent or fresh water. To avoid damage to the instrument or probe, do not use any corrosive chemical cleaning agent.

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