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TECPEL OS Series User Manual

Handheld digital storage oscilloscope & multimeter
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OS Series Handheld Digital Storage
Oscilloscope & Multimeter
User Manual
 OS-1022
 OS-2062
 OS-3102

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Summary of Contents for TECPEL OS Series

  • Page 1 OS Series Handheld Digital Storage Oscilloscope & Multimeter User Manual  OS-1022  OS-2062  OS-3102...
  • Page 2 General Warranty We warrants that the product will be free from defects in materials and workmanship for a period of three years from the date of purchase of the product by the original purchaser from our company. And the warranty period of accessories such as probe, battery, adapter is one year.

  • Page 3: Table Of Contents

    OS Series Handheld DSO & DMM Contents Table of Contents 1. DECLARATION OF CONFORMITY ················································ 1 1.1 Declaration of Conformity ············································································································ 1 1.2 Package Contents ···························································································································· 2 2. SAFETY INFORMATION ··································································· 3 2.1 Safety Symbols and Terms ············································································································ 3 2.1.1 Safety Symbols ··········································································································· 3 2.1.2 Safety Terms.
  • Page 4 OS Series Handheld DSO & DMM Contents 6.14 Using Peak Detection to Display Glitches ··············································································· 23 6.15 Selecting AC-coupling ················································································································ 24 6.16 Reversing the Polarity of the Displayed Waveform ······························································ 25 6.17 Using Waveform Mathematics Functions ·············································································· 26 6.18 Use USB mass storage device to save waveform data ··························································· 27 7.
  • Page 5 OS Series Handheld DSO & DMM Contents 8.8.1 Waveform Saving Setups in normal mode ······································································ 52 8.8.2 Waveform Saving Setups in FFT mode ·········································································· 54 8.9 Function Setting Menu ················································································································· 55 8.10 Making Automatic Measurements ··························································································· 55 8.11 Setting the Cursor Measurements ···························································································· 57 8.11.1 Setting the cursor measurement in normal mode ···························································...

  • Page 6: Declaration Of Conformity

    OS Series Handheld DSO & DMM 1-Declaration of Conformity 1. Declaration of Conformity 1.1 Declaration of Conformity Statement of Conformity Base on the result using appropriate standards, the product is in conformity with Electromagnetic Compatibility Directive 2004/108/EC Low Voltage Directive 2006/95/EC...

  • Page 7: Package Contents

    OS Series Handheld DSO & DMM 1-Declaration of Conformity 1.2 Package Contents See the picture below. This picture is only for your reference. If any discrepancy found between certain picture and product, please look the actual product. Description Standard Optional Oscilloscope and Battery ●...

  • Page 8: Safety Information

    OS Series Handheld DSO & DMM 2-Safety information 2. Safety Information In order to ensure the correct using and the best efficient service, please carefully read this user’s manual. 2.1 Safety Symbols and Terms 2.1.1 Safety Symbols These symbols may appear in this manual or on the instrument.
  • Page 9 OS Series Handheld DSO & DMM 2-Safety information applications to prevent any possible dangers. Warning: To avoid fire or electrical shock, please use proper power adapter. Use only the power adapter appointed by the manufacturer and subject to approval of being used in the user’s country.
  • Page 10 OS Series Handheld DSO & DMM 2-Safety information ● Always connect the power adapter first to the AC outlet before connecting it to the Oscilloscope & Multimeter. ● Do not apply voltages that differ more than 400 V from earth ground to any input when measuring in a CAT Ⅱ...

  • Page 11: General Characteristics

    OS Series Handheld DSO & DMM 3-General Characteristics 3. General Characteristics Oscilloscope  2 in 1 (Multimeter function support);  Record length of 6,000 points for each channel;  Reading-out with the cursor;  Twenty automatic measurement functions;  Autoscale function;...

  • Page 12: Performing The General Inspection

    4. Performing the General Inspection 4.1 Performing the General Inspection When you have got a new OS series oscilloscope, it is suggested that you should perform a general inspection on the instrument according to the following steps. If the packing boxes or foam cushions are found in serous damage, keep them in a proper place till the complete instrument and accessories have passed the electrical and mechanical tests.

  • Page 13: Input Connections

    OS Series Handheld DSO & DMM 5-Input Connections 5. Input Connections 5.1 Input Connections 5.1.1 Input connections See the following Figure 2: Figure 2：Input connections Description: 1. The power adapter is supplied for AC power supply and battery recharging. 2. Multimeter test lead.

  • Page 14: The Connection Of 1Khz/5V Square-Wave Test Signal

    OS Series Handheld DSO & DMM 5-Input Connections 5.1.2 The connection of 1KHz/5V Square-wave test signal At the left side of the oscilloscope, it is a port for testing 1 KHz/5V square-wave signal which is used to adjust the probe, shown as Fig.3 Fig.3.
  • Page 15 OS Series Handheld DSO & DMM 5-Input Connections Figure 4：Front Panel Description: 1. AC adapter Port 2. RS-232C Port. 3. USB Port. 4. USB Mass Storage Port. 5. Power switch. 6. F1～F5: Switch or Adjust options for each menu.
  • Page 16 OS Series Handheld DSO & DMM 5-Input Connections 7. AUTO SET: Under DSO mode, automatically selects the horizontal scales, vertical scale, and trigger level according to the input signal. 8. COPY: Press to save the waveform data into the USB Mass Storage Device.

  • Page 17: Using The Oscilloscope

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 6. Using the Oscilloscope 6.1 About this Chapter This chapter provides a step-by-step introduction to the scope functions. The introduction does not cover all of the capabilities of the scope functions but gives basic examples to show how to use the menus and perform basic operations.
  • Page 18 OS Series Handheld DSO & DMM 6-Using the Oscilloscope Description: Battery electric quantity indicating symbols, including and . Auto measurement window 1, in which “f ”means frequency, “T” means cycle, “V” means the average value, “Vp” the peak-peak value ,“Vk” the root-mean-square value,. “Ma” the maximum amplitude value, “Mi”...

  • Page 19: Menu Description

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 15. These graphics show the coupling mode of CH1, among which the graphic “～” express indicates AC, the graphic “－” indicates DC, the graphic “ ” indicates GND. 16. This reading shows the vertical Voltage Unit Scale of CH1.

  • Page 20: Manually Setting The Vertical System, Horizontal System And Trigger Position

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 6.5 Manually Setting the Vertical System, Horizontal System and Trigger Position 6.5.1 Setting the Vertical System To set the vertical system of CH1: (1) Press VOLTS POSITION (red) key to toggle between bellows displayed at the bottom left of the screen: ▲/▼...
  • Page 21 OS Series Handheld DSO & DMM 6-Using the Oscilloscope ◄/► – Time Base ▲/▼ – Trig See the following figure 7: Figure 7 Press ◄ (yellow) or ► (yellow) to adjust the main time base; press ▲ (yellow) or▼ (yellow) to adjust trigger level position, press R key to “zero”...
  • Page 22 OS Series Handheld DSO & DMM 6-Using the Oscilloscope horizontal position; press ▲(yellow) or ▼(yellow) to adjust trigger level position, press R key to “zero” the trigger level position. 5. Press OPTION again to back up operation 1. The following guidance is for the operation on the mode of alternative triggering.

  • Page 23: Recall Factory Settings

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope Figure 10: Adjust Time Base and Trig 1 Press ◄(yellow) or ► (yellow) to adjust main time base; press ▲(yellow) or▼(yellow) to adjust trigger level position in Channel 1 (or Channel 2), press R key to “zero” the trigger level position.

  • Page 24: Input Connections

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 4. Press F2 key to select “Auto calibration”. If the ambient temperature variation is up to or larger than 5 Celsius degree, the Auto calibration function should be performed. But this will...

  • Page 25: Automatic Zero-Returning Of Trigger Horizontal Position And Trigger Level Position

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 6.9 Automatic Zero-returning of Trigger Horizontal Position and Trigger Level Position When we adjust the trigger horizontal position and trigger level position to be maximal to make it off the screen center remotely, then we perform the following steps to make trigger horizontal position and trigger level position return to zero automatically.

  • Page 26: Freezing The Screen

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope Figure 12: Automatic Scope Measurements 6.11 Freezing the Screen You can freeze the screen (all readings and waveforms) Press the RUN/STOP key to freeze the screen and STOP appears at top right side of the screen.

  • Page 27: Using Average For Smoothing Waveforms

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 6.12 Using Average for Smoothing Waveforms Using the Average acquisition mode, you can smooth out the displayed waveform by averaging multiple data samples. The number of averaging is selectable from 4, 16, 64, and 128.

  • Page 28: Using Peak Detection To Display Glitches

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope Look at the display, a screen like the following figure 15 can be shown. Figure 15: Persistence to Observe Dynamic Signals 6.14 Using Peak Detection to Display Glitches You can use this function to display events (glitches or other asynchronous waveforms) of 50 ns or wider.

  • Page 29: Selecting Ac-Coupling

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope Term interpretation Collecting mode: The oscilloscope transforms the collected analog data into a digital form after they are gathered in the following three different modes, that is, sampling, peak value detection and averaging values.

  • Page 30: Reversing The Polarity Of The Displayed Waveform

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope Figure 17: AC-Coupling 6.16 Reversing the Polarity of the Displayed Waveform To invert the input CH1 waveform, do the following: Press the MENU key and the function menu appears at the right side of the screen.

  • Page 31: Using Waveform Mathematics Functions

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 6.17 Using Waveform Mathematics Functions When adding (CH1 + CH2), subtracting (CH1 – CH2, CH2 – CH1), multiplying (CH1 * CH2) or dividing （CH1 / CH2） the input waveforms of CHI and CH2, the Oscilloscope will display the mathematical result waveform M and the input waveforms of CH1 and CH2 on the screen.

  • Page 32: Use Usb Mass Storage Device To Save Waveform Data

    OS Series Handheld DSO & DMM 6-Using the Oscilloscope 6.18 Use USB mass storage device to save waveform data Insert the USB mass storage device into the USB port and press copy key, then the current waveform data will be saved into the USB mass. The save waveform has two format, one is vector format and another is bitmap format, according to the display settings from the choice of the communication settings.

  • Page 33: Using The Multimeter

    OS Series Handheld DSO & DMM 7-Using the Multimeter 7. Using the Multimeter 7.1 About this Chapter This chapter provides a step-by-step introduction to the multi-meter functions of the test tool hereafter. The introduction gives basic examples to show how to use the menus and perform basic operations.

  • Page 34: Making Multimeter Measurements

    OS Series Handheld DSO & DMM 7-Using the Multimeter Measurement mode indicators: DCV: Direct voltage measurement ACV: Alternating voltage measurement DCA: Direct current measurement ACA: Alternating current measurement R: Resistance measurement : Diode measurement : On/Off measurement C: Capacitance measurement The relative magnitude measurement indicator.

  • Page 35: Measuring Diode

    OS Series Handheld DSO & DMM 7-Using the Multimeter Insert the black lead into the COM banana jack input and the red lead into the V/Ω/C banana jack input. Connect the red and black test leads to the resistor. The resistor value readings are shown on the screen in Ohm.

  • Page 36: On-Off Test

    OS Series Handheld DSO & DMM 7-Using the Multimeter Figure 22: Diode Measurement 7.4.3 On-off Test To perform an On-off test, do the following: Press the R key and R appears on the top of the screen. Press the SET key till the following is shown on the screen.

  • Page 37: Measuring Dc Voltage

    OS Series Handheld DSO & DMM 7-Using the Multimeter Press the R key and R appears on the top of the screen Press the SET key until C appears at the top of the screen. Insert the black leads to COM jack, and red leads to V/Ω/C jack.

  • Page 38: Measuring Ac Voltage

    OS Series Handheld DSO & DMM 7-Using the Multimeter Figure 25: DC Voltage Measurement 7.4.6 Measuring AC Voltage To measure the AC voltage, do the following: Press the V key and DCV appears at the top of the screen. Press the SET key and ACV appears at the top of the screen.

  • Page 39: Measuring Dc Current

    OS Series Handheld DSO & DMM 7-Using the Multimeter 7.4.7 Measuring DC Current To measure a DC current which is less than 400 mA, do the following: Press the A key and DCA appears at the top of the screen. The unit on the main reading screen is mA.

  • Page 40: Measuring Ac Current

    OS Series Handheld DSO & DMM 7-Using the Multimeter Figure 28: DC Current Measurement for 10A 7.4.8 Measuring AC Current To measure an AC current which is less than 400 mA, do the following: Press the A key and DCA appears at the top of the screen. The unit on the main reading screen is mA.

  • Page 41: Freezing The Readings

    OS Series Handheld DSO & DMM 7-Using the Multimeter To measure an AC current which is larger than 400 mA, do the following: Press the A key, an instruction prompt you to plug the multimeter test leads in the right position.

  • Page 42: Taking A Relative Measurement

    OS Series Handheld DSO & DMM 7-Using the Multimeter Figure 31: Freezing the Readings 7.6 Taking a Relative Measurement A currently measured result relative to the defined reference value is displayed in a relative measurement. The following example shows how to take a relative measurement. At first, it is required to acquire a reference value.

  • Page 43: Selecting Automatic/Manualrange Adjustment

    OS Series Handheld DSO & DMM 7-Using the Multimeter Figure 32: Relative Measurement 7.7 Selecting Automatic/ManualRange Adjustment The defaulted range mode of the instrument is automatic range. To switch to the manual range, perform the following steps: Press F1 key and MANUAL is displayed on the top left side of the screen to enter the manual range mode.

  • Page 44: Advanced Function Of Oscilloscope

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 8. Advanced Function of Oscilloscope 8.1 About this Chapter This chapter will detail the oscilloscope function of the test tool. 8.2 Setting the Vertical CH1 and CH2 Each channel has its own independent vertical menu and each item can be set respectively based on the specific channel.

  • Page 45: Setting The Channel Coupling

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope The following Table describes the Vertical Channel menu: Function menu Setting Description The dc component in the input signal is blocked. Coupling The ac and dc components of the input signal are allowed.

  • Page 46: Open And Close Settings On Channel

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Figure 36: DC Coupling Figure 37: Ground Coupling 8.2.2 Open and Close Settings on Channel Take CH1 for example: Press F2 Channel key first, and then OFF to make a Close setting on CH1.

  • Page 47: Setting Of Inverted Waveform

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Press F3 Probe to adjust the probe attenuation level. Table: Probe attenuation level and the corresponding menu setting Probe attenuation level Corresponding Menu Setting 10:1 10 X 100:1 100 X...

  • Page 48: Setting The Trigger System

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope ► Press ◄ (yellow) or (yellow) to adjust the range of M waveform Press ▲ (yellow) or ▼ (yellow) to adjust the position of M waveform Now, look at the display and you will find a screen that looks like the following figure 38.

  • Page 49: Triggering Control

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Left bottom display as below during alternate trigger: —Time Base — Time —Trig1 (or 2) — Trig2 (or 1) Press ▲ (yellow) or ▼ (yellow) to adjust trigger vertical position, Press ◄ (yellow) or ►...

  • Page 50: Video Trigger

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Function menu Settings Description Rising Triggering on the rise edge of the signal. Slope Falling Triggering on the fall edge of the signal. CH1 is used as the trigger source.
  • Page 51 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Designed Designed Figure 42: Video Line trigger (Page1) Figure 43: Video Line trigger (Page2) The Video trigger menu is described in the following table (First page): Function menu Settings Description Select CH1 as the trigger source.

  • Page 52: Alternate Trigger

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 8.5.3 Alternate trigger During alternate trigger, the trigger signal mainly comes from two vertical channels and it can be used to observe two irrelevant signals. You can set different trigger type for two vertical channels in this menu (optional for edge trigger and video trigger).
  • Page 53 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Holdoff To go to holdoff menu －－＞ Back to previous menu When the type is set as video type, Function menu Settings Description Setting trigger type and others info for Channel 1.

  • Page 54: Selecting The Acquisition Mode

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope the Holdoff menu is described in the following table: Function menu Settings Description Off Time Set time slot before another trigger event. Increase Set the off time to increase. Time Decrease Set the off time to decrease.

  • Page 55: Display Setting

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 4, 16, 64 Select the average number. Averages or 128 8.7 Display Setting The DISP SET menu is described in the following table. Function menu Settings Description Vectors The vector drawing mode shows the waveform as a smooth line, connecting each data point.

  • Page 56: Persistence

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Figure 47: Vectors Style 8.7.2 Persistence With Persist function selected, the displayed saved original data gradually decay in color and the new data are bright in color; with infinite persistence mode selected, the oscilloscope keeps all past traces of the displayed waveform.

  • Page 57: Cymometer

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 8.7.4 Cymometer It is a 6 digits cymometer. Its measurement range of frequency is 2Hz to full bandwidth. Set up cymometer limit to “ON” status. When the triggering mode is edge triggering, it is a one channel cymometer and it can only measure the frequency of the triggering channel.
  • Page 58 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Function menu Setups Description Make sure the waveform you want to save appears in the Source display. Select the displayed waveform which you want to Math save. WAVE A, B, C and D Select the address for saving or recalling a waveform.

  • Page 59: Waveform Saving Setups In Fft Mode

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 8.8.2 Waveform Saving Setups in FFT mode FFT being on, the WAVE SAVE is described in the following list. Function menu Setups Description CH1 OFF Source CH2 OFF Only FFT waveform you can to save appears in the display.

  • Page 60: Function Setting Menu

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 8.9 Function Setting Menu The FUNCTION menu is described in the following list. Function menu Setting Description Recall Factory Resume the instrument to its factory settings. Auto calibration Perform the Auto-calibration procedure.
  • Page 61 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Measure Root Mean Square (RMS) value of CH2. Vmax Measure the of CH1 Vmax Vmax Measure the of CH2 Vmin Measure the of CH1 Vmin Vmin Measure the of CH2...

  • Page 62: Setting The Cursor Measurements

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope the screen turns into one blue in color and shows the peak-to-peak value of CH2. Now, you can see a screen that looks like the following figure 51. Figure 51: Automatic Measurements 8.11 Setting the Cursor Measurements...
  • Page 63 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Press the MENU key and the function menus are displayed at the right of the screen. Press the MENU ▲ or MENU ▼ key to select CURS MEAS. Five options are shown at the bottom of the screen.
  • Page 64 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Figure 53 To use the cursor for a time measurement on CH1, do the following: Press the MENU key and the function menus are displayed at the right of the screen.

  • Page 65: Setting The Cursor Measurement In Fft Mode

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope When log out submenu, every value will show on the right bottom of the screen as figure 55: Figure 55: Use the Cursor for a Time Measurement 8.11.2 Setting the cursor measurement in FFT mode FFT being on, the cursor measurement menus are listed and described in the following table.

  • Page 66: Autoscale

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope —Cursor 2 Press ▲ (yellow) or ▼ (yellow) to see V1 move up and down and the panel will display the voltage value match V1 and Channel 1 Zero; Press ◄ (yellow) or ► (yellow) to see V2 move up and down and panel will display the voltage value match V2 to Channel 1 Zero.
  • Page 67 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Only show one or two periods Show Multi-period waveforms If you want to measure voltage of Channel 1, you can do as the follows: Press MENU, the function menu will appear on the right of the screen.

  • Page 68: Record

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 5. At the mode of Autoscale, if adjust the vertical position, voltage division, trigger level or time scale of CH1 or CH2, the oscilloscope will turn off Autoscale function and if press AUTOSET again, the oscilloscope will enter into Autoscale.
  • Page 69 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope The waveforms stop refreshing when recording. Increase The value increases from that of end frame to time interval Direction Decrease The value decreases from that of end frame to time interval －－＞...
  • Page 70 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Decrease The value decreases from the set start frame to the end frame －－＞ To next menu Save Save recorded waveform to internal memory location. Load Recall recorded waveform from internal memory location.

  • Page 71: Using Fft

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Fig.59: the second page of the record 8.14 Using FFT An FFT breaks down signals into component frequencies, which the oscilloscope uses to display a graph of the frequency domain of a signal, as opposed to the oscilloscope’s standard time domain graph.
  • Page 72 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope ×1 Set multiple ×1 ×2 Set multiple ×2 Zoom ×5 Set multiple ×5 ×10 Set multiple ×10 Taking the FFT operation for example, the operation steps are as follows: Press MENU key and the function menu appear on the right side of the screen.
  • Page 73 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope screen when the format is dB. ▲/▼ — CH2 Volts/Div ▲/▼ — FFT Zero ▲/▼ — FFT dB Scale  One of the following two prompts circularly will display at the bottom-left of the screen when the format is Vrms.
  • Page 74 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope ◄/► — Time" is displayed, press OPTION ◄ and OPTION ► menu When " button to adjust the position of the waveform along the horizontal position. "FFT -2.00divs" shown on the left bottom means the section start of the waveform departures from the Origin for 2.00DIV.
  • Page 75 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope are very close and for broadband random noise with a relatively slow varying spectrum. This is a very good window for resolving frequencies that are very close to the same value with somewhat improved amplitude accuracy over the rectangle window.
  • Page 76 OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Fig 62: Blackman window window Fig.63. Hanning window Fig.64. Hamming Quick Tips  If desired, use the zoom feature to magnify the FFT waveform.  Use the default dB scale to see a detailed view of multiple frequencies, even if they have very...

  • Page 77: System State Menu

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Vrms different amplitudes. Use the scale to see an overall view of how all frequencies compare to each other.  Signals that have a DC component or offset can cause incorrect FFT waveform component magnitude values.

  • Page 78: Real Time Clock

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Figure 65: System State 8.15.1 Real time clock Function: Be synchronous with the U disk storage time. Do below steps to set up the real time clock: 1. Press MENU key and the function menu is displayed on the right side of the screen.

  • Page 79: Setting Of Time Base Mode

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope 7. Press OPTION to enter into normal time mode after timing. 8. If need to timing, please kindly repeat the above steps. Note: The digital clock stops working when in timing mode.

  • Page 80: Data Transmission

    OS Series Handheld DSO & DMM 8-Advanced Function of Oscilloscope Figure 68: Window 8.17 Data Transmission For the operation of data transmission, please execute the following steps: Press MENU key, display the function menu on the right side of the screen.

  • Page 81: Trouble Shooting

    OS Series Handheld DSO & DMM Trouble Shooting 9. Trouble Shooting 1. The oscilloscope does not power up It may be caused by the dead battery. At this time, the oscilloscope will not start even if it is powered by the battery charger. Firstly, charge the battery and supply the oscilloscope with power through the battery charger.

  • Page 82: Appendix

    Only if other instructions are provided, are all technical specifications applicable to the probe with the 10X attenuation switch setting and the OS series digital type oscilloscope. In order to be up to these specifications, the oscilloscope should meet the following requirement.
  • Page 83 OS Series Handheld DSO & DMM 10-Appendix Record length 6K points on each channel  5ns/div ～ 100s/div, stepping “1-2.5-5” mode----OS-1022 Scanning speed range（S/div）  5ns/div ～ 100s/div, stepping “1-2-5” mode----OS-2062, OS-3102 ±100ppm Sampling rate and delay time accuracy (any time interval which is equal to or larger than 1ms) Single: ±(1 sampling interval time +100ppm×reading+0.6ns)

  • Page 84: Meter

    OS Series Handheld DSO & DMM 10-Appendix Trigger Holdoff range 100ns~10s Make a 50% level setting Operation with the input signal frequency equal to or larger (Typical). than 50Hz. Signal system and line/field Support the NTSC, PAL and SECAM broadcasting systems frequency (Video triggering mode) of any field or line frequency.
  • Page 85 OS Series Handheld DSO & DMM 10-Appendix 400.0V 100mV 1000.0V Voltage (VAC) Input Impedance: 10MΩ Max Input Voltage: 750V (AC, virtual value) Frequency range: from 40Hz to 400Hz Display: Virtual value of the sine wave Range Accuracy Resolution 4.000V ±1%±3 digits 40.00V...

  • Page 86: General Specifications

    OS Series Handheld DSO & DMM 10-Appendix 51.20uF 10nF 100uF 100nF Diode Voltage reading: 0 V ～1.5 V. On-off Test There is a beep sound when the on-resistance is less than 50Ω. 10.1.3 General Specifications Basic parameter Mechanical dimension 18 cm×11.5cm×4cm...

  • Page 87: Appendix B: Maintenance And Cleaning

    OS Series Handheld DSO & DMM 10-Appendix 10.2 Appendix B: Maintenance and Cleaning 10.2.1 Maintenance Do not store or place the instrument in locations where the liquid crystal display (LCD) may be directly exposed to the sunshine for a long time.

This manual is also suitable for:

Os-1022Os-2062Os-3102

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