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Summary of Contents for ZEEWEII DSO1C81
- Page 1 DSO1C81 DIGITAL OSCILLOSCOPE User’s Manual...
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Page 2: Buttons Function
① Green is the ‘Run’ state; Flashing cyan for waiting to trigger; Red is ‘Stop’. ② The horizontal line is the sample memory, and the box is the display area. ③ Auto indicates that the trigger mode is ‘Auto’. Normal indicates that the trigger mode is ‘Normal’. - Page 3 1. Default function 1. When the menu opens, as the OK button. Auto 2. as an "Auto" button Run/Stop Run / Stop Menu Open/close the menu Move up the waveform/cursor Move down the waveform/ cursor Move left the waveform/ cursor ...
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Page 4: Safety Precautions
1 Safety Precautions High voltage. The x10 range of the probe measures up to 220V. An x100 probe is required for overreach. Probe attenuation. Before measuring voltages greater than 40V, switch the probe to the X10 position. Charge. -
Page 5: Probe Calibration
generator to the [ON] state. Press the [ns] key to switch waveforms. Press the [Func] key to reset to 1.00Khz. 3. Press [menu] to exit the interface. 4. After pressing the [Auto] key, you can see the waveform of the generator. 2.5 Frequency meter and Pulse counter Press the Func button and then press the up button↑... -
Page 6: Vertical System
3.2 Probe bandwidth Because the 1X probe has a large input capacitance, the bandwidth of the 1X is usually within 5MHz; while the bandwidth of the 10X is the standard bandwidth of the probe. 3.3 Probe withstand voltage The maximum withstand voltage of the probe is generally marked on the probe, which is usually 600Vpk-pk. -
Page 7: Horizontal System
the oscilloscope. You can estimate the amplitude of the signal by observing how many divisions the waveform occupies on the screen. For example, if the vertical sensitivity is 1.00v/div, and the signal occupies 3 grids on the screen, you can know that the amplitude of the signal is 3V. -
Page 8: Trigger System
5.2 Horizontally moving waveform In the stop mode, the user can move the waveform left and right. 6 Trigger system About trigger The oscilloscope will capture a frame of waveform only after the waveform meets the pre-set conditions. This action of capturing the waveform according to the conditions is the trigger. -
Page 9: Trigger Mode
6.2 Trigger Mode Trigger mode: “auto”, “normal”, “single”. Automatic triggering is more commonly used. The normal trigger will not refresh the screen when there is no waveform, suitable for measuring some pulse signals that come occasionally, etc., and refresh the waveform once in a pulse. The single-trigger procedure is described in 7.2 below. 7 Operation Guide 7.1 50% The role of 50% is to quickly return to the center, including zero point offset,... - Page 10 Click the "ok" button to zoom in on the waveform. After zooming in, click button to zoom in on the waveform. After zooming in, click button to zoom in on the waveform. After zooming in, click "ok" to return to the homepage. Click the "...
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Page 11: Menu Introduction
8 Menu introduction Once the menu is open, press the mV or V button to switch menus. 8.1 Measurement There are 14 measurement options available, as shown below: Frequency, Peak-to-Peak, Duty cycle, Amplitude, RMS, Average, Period, +Pulse width, -Pulse width, Max, Min,Top, Base, -Duty cycle. The difference between peak-to-peak and amplitude(AMP) is shown in the figure above. - Page 12 "Manual" option should be used. Under this option, the trigger level can be manually adjusted by the user. 8.3 Display “Persistence” is to make the historical waveform remain on the screen for a while and then disappear. Optional persistence options are: None, 1s, Infinite. When Infinity is selected, the waveforms that have appeared on the screen will remain forever and will not disappear.
- Page 13 Parameters Model DSO1C81 Coupling AC/DC Channels AUTO Support Screen size 2.8inch Measurement 14 types Bandwidth 80Mhz DC Offest ±3% Sampling rate 250MSa/s Freq_meter 10Hz~30Mhz 500M/s Screenshot Support Equivalent sample Storage depth 480Kbit(60Kpts) Frequency ±0.01% Rise time <4ns Pulse counter Support Impedance 1MΩ...
- Page 14 Q & A 0. I am a beginner, how do I reset the device to its initial state? Answer: Open Menu->Set, and then long press the "RunStop" button to reset. 1. What is the difference between probe 1X and 10X? Answer: The 1X does not attenuate the signal, and the 10X attenuates the signal amplitude by 10 times.
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