VEVOR ET828 User Manual
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VEVOR ET828 User Manual

VEVOR ET828 User Manual

Oscilloscopes
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Technical Support and E-Warranty Certificate https://www.vevor.com/support
OSCILLOSCOPES
USER MANUAL
MODEL NO.: ET828
We continue to be committed to provide you tools with competitive price.
"Save Half", "Half Price" or any other similar expressions used by us only represents an
estimate of savings you might benefit from buying certain tools with us compared to the major
top brands and doses not necessarily mean to cover all categories of tools offered by us. You
are kindly reminded to verify carefully when you are placing an order with us if you are
actually saving half in comparison with the top major brands.

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  • Page 1 Technical Support and E-Warranty Certificate https://www.vevor.com/support OSCILLOSCOPES USER MANUAL MODEL NO.: ET828 We continue to be committed to provide you tools with competitive price. "Save Half", "Half Price" or any other similar expressions used by us only represents an estimate of savings you might benefit from buying certain tools with us compared to the major top brands and doses not necessarily mean to cover all categories of tools offered by us.
  • Page 2 This is the original instruction, please read all manual instructions carefully before operating. VEVOR reserves a clear interpretation of our user manual. The appearance of the product shall be subject to the product you received. Please forgive us that we won't inform you again if...
  • Page 3 WARNING: Please read this manual carefully before using the product. Failure to do so may result in serious injury. SAVE THIS MANUAL This digital oscilloscope multimeter is designed in conformity with the safety specifications of IEC1010-1. The second category of over-voltage measurement: CAT III - 1000V;...
  • Page 4 Pay attention to the safety warning signal displayed on the instrument: When the measured voltage exceeds the "safety voltage" (24V ), a warning information " " is displayed to remind you; When the voltage to earth on the reference end "COM" of the instrument reaches 500V, please do not make voltage measurement;...

  • Page 5: Safety Signs

    Warning suggests that high concentration is required during Warning! operation, as wrongful operation or violation may result in personal injury or even endangering of life. TECHNICAL SPECIFICATIONS Model ET828 Main Material Product Dimensions(L*W*H) 83*160*32 mm Packing Size(L*W*H) 192*140*45 mm Net Weight (kg) 0.292...
  • Page 6 General features 240 × 320 Color 49.0 mm x 36.7 Display Observation area screen Backlight Constantly on Input resistance About 10MΩ 15 minutes or Battery AA batteries*3 Auto shutdown disabled Working About 65mA Sleep current About 35uA current More than 10 100*data , usage time Storage capacity...
  • Page 7 50Hz ~1kHz  (2.0%rdg + 400mV（Manual 0.1mV 10dgt)(More than range） 1kHz is not evaluated) 50Hz~400Hz  (1.0%rdg + 10dgt) AC voltage 4V/40V/400V 1mV/10mV/100mV 400Hz~20kHz  (5.0%rdg + 10dgt) 50Hz ~1kHz  (1.5%rdg + 750V 10dgt)(More than 1kHz is not evaluated) 40mA /400mA 10µA /100µA DC current...
  • Page 8 Display symbols and icons *Products such as specifications , the appearance and the Direct-current Alternate current Ampere Milliampere Volt Millivolt Farad (Unit of Millifarad (unit of capacitance) capacitance) Nanofarad (unit of Microfarad (unit of F capacitance) capacitance) Millisecond Microsiemens (unit of s conductivity) Hertz (Unit of frequency)

  • Page 9: Package Contents

    PACKAGE CONTENTS Host body *1 Storage bag *1 Connecting line *2 PRODUCT FUNCTIONS Button functions buttons Name Function The actual function varies with the measuring range and work mode. The F1 ~ F4 option menu displayed on the LCD serves as the prompt for action. Multimeter status Manual range Automatic...
  • Page 10 Instrument switch DC millivolt voltage DC voltage AC voltage/frequency/duty cycle file Frequency/Duty Cycle Resistance/diode/continuity test/capacitance Millifa capacitance AC/DC mA AC/DC 10A Basic operation Power on and off Rotate the rotary knob to desired measurement gear and the power is connected to the instrument; rotate the rotary knob to OFF position to turn off the power.
  • Page 11 turned off. Oscilloscope operation Enter oscilloscope mode In multimeter mode (DMM) mode voltage, current range, press the "R" key for 2 seconds to enter the oscilloscope (OSC) mode.In oscilloscope (OSC) mode. Press the "R" key for 2 seconds to enter the multimeter mode (DMM) mode.
  • Page 12 The main option menu provides the instructions for basic operations of the instrument and the details are as follows: Time base Amplitude adjustment Trigger control adjustment TIME RANGE TRIG 1. Press the F1 key (TIME) to enter the time base adjustment sub-menu, adjust the time base and trigger position.
  • Page 13 Back Amplitude adjustment EXIT X1X3 1. Press the F1 key (EXIT) to exit the amplitude adjustment sub-menu and return to the main menu. 2. Press the F2 key (X1X3). The F3 key (X10) is used to adjust the vertical amplitude (V/div). Note: The F2 key (X1X3) is to switch back and forth between X1 and X3, When X1, CH displays 1V, 10V, 100V, 1000V, 100mA, 10A;...
  • Page 14 2. Press the F2 key (▼) and F3 key (▲) to decrease or increase the trigger level. The position corresponding to the current trigger level will be marked on the display. 3. Press the F4 key (RESET) to reset the trigger level to zero. About trigger mode Auto : Even if no trigger condition is detected, the oscilloscope can still acquire waveforms.
  • Page 15 Single scan trigger operation The steps for single-triggered data collection are as follows: 1. Adjust the vertical amplitude V/div and horizontal amplitude s/div to suit the waveform to be acquired. 2. Select the appropriate trigger level, trigger edge and select Single trigger mode Single.
  • Page 16 Storage and reading of waveform of signals The OSC database of the instrument is provided with a memory space for 10 OSC waveform data. The operation method of the storage is as follows: 1. Press the "S" key to keep the current waveform. 2.
  • Page 17 The operation of multimeter Enter multimeter mode Turn on the default multimeter mode (DMM) mode, or press the "R" key for a long time to switch modes. • Please read, understand and follow the safety rules and operating Warni methods indicated in the following. •...
  • Page 18 method. When you need to fix a certain range, you can use as the following operations: 1. Press the "R" key, the auto range mark "AUTO" will disappear, and the meter will enter the manual range state. 2. Each time the "R" key is pressed, the meter switches to the next range. 3.
  • Page 19 Exit the peak value Stop Reset peak holding measurement measurement value EXIT STOP REST a. Press the F1 key (EXIT) to exit the peak hold mode. b. Press the F2 key (RUN) to perform peak hold measurement. c. Press the F3 key (STOP) to stop refreshing the peak measurement,The Max/Min value no longer changes.
  • Page 20 The menu for voltage measurement is： Relative Peak value Extended Auto range value mode holding function mode AUTO a. Press the F1 key (REL) to enter the relative value mode. b. Press the F2 key (P-H) to enter peak hold mode. c.
  • Page 21 The option menu of current measurement is as follows: Relative Peak value Extended Auto range value mode holding function mode AUTO a. Press the F1 key (REL) to enter the relative value mode. b. Press the F2 key (P-H) to enter the peak hold mode. c.
  • Page 22 During frequency and duty cycle measurement, the signal must reach a certain amplitude: the voltage signal amplitude is 500m Attention! Vp-p; for signals close to 5MHz or higher frequency, a signal with a higher amplitude may be required. You cannot use the manual method when performing frequency Attention! measurement and duty cycle measurement! Resistance measurement...
  • Page 23 Relative Peak value Extended Auto range value mode holding function mode AUTO a. Press the F1 key (REL) to enter the relative value mode. b. Press the F2 key (P-H) to enter the peak hold mode. c. Press the F3 key (SEL) to enter the extended function: diode detection,Continuity test and capacitance .
  • Page 24 test. (Silicon tube is about 0.5-0.7V, germanium tube is about 0.15-0.25V). Continuity test In order to avoid electric shock, the continuity test must not be Warning! carried out on the line carrying voltage. 1. Insert the banana plug on the black test lead wire into the negative "COM" socket;...
  • Page 25 3. Press the F3 key (SEL) to select the capacitance measurement function. The word "CAPACITANCE" will appear at the top of the screen, indicating that it is already in the capacitance measurement function. 4. Touch the test pen to the measured capacitance, and read the capacitance, decimal point and unit.
  • Page 26 switched to manual mode. 3. When switching the range or changing the measurement function, the meter will automatically exit the hold state. Measurement data storage and reading The database of this instrument can save 100 DMM measurement data. 1. Press the "S" key to keep the current data, then press the "S" key and stay for 2 seconds to enter the database, press the F key (SAVE) to save the current data.
  • Page 27 Daily maintenance and troubleshooting Keep the instrument dry If the instrument is wet, please wipe it until it’s dry. If you are not sure whether it’s dry, please do not use it . Please store and use the instrument in ambient temperature Extreme ambient temperature will reduce the service life of electric components, deform plastic parts or even cause non-availability for use of the instrument.
  • Page 28 Repair and maintenance of the instrument 1. This is a precision instrument. Without the authorization of the products center of the company, please do not alter any circuit, replace any component or perform any calibration or repair of the product. 2.
  • Page 29 batteries on both sides, and restore the battery cover. 3. When not used for a long time, the battery should be taken out. To prevent battery leakage from damaging a pack. Note:The contents of the manual are subject to change without notice. COMPLETION...
  • Page 30 Made In China Address: Baoshanqu Shuangchenglu 803long 11hao 1602A-1609shi Shanghai Imported to AUS: SIHAO PTY LTD, 1 ROKEVA STREETEASTWOOD NSW 2122 Australia Imported to USA: Sanven Technology Ltd., Suite 250, 9166 Anaheim Place, Rancho Cucamonga, CA 91730 SHUNSHUN GmbH Römeräcker 9 Z2021,76351 Linkenheim-Hochstetten,Germany Pooledas Group Ltd Unit 5 Albert Edward House, The Pavilions...
  • Page 31 Support and E-Warranty Certificate www.vevor.com/support...

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