DSO328 LCD Oscilloscope Tester Bandwidth 1Msps 200KHz Replace DSO138 DSO311

Description

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Overview:
This mini oscilloscope is designed for electronic hobbyists to learn about electronics, soldering, programming and STM32. It contains main controller board, TFT LCD and other electronic components to DIY a functional mini digital oscilloscope.
Features:
Use STM32 Chip. It runs faster than DSO138 and a good handle of data.
Pre-programmed. The controller board is programmed and tested before leaving factory. It is high quality and safe to use.
Full of Fun. It is a soldered Product
With Cool Black Case. Unlike DSO138, this DSO328 is with a cook black case, which makes it convenient to use in teaching and testing.
Notice: This oscilloscope requires DC 9V 200mA power supply (no more than 10V,or it may be burned)
Specification:
§ Input impedance: 1MΩ
§ Analog Bandwidth: 0 – 200 KHz
§ Maximum input voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)
§ Maximum real-time sampling rate: 1Msps
§ Comes 1Hz /3.3V square wave test signal source
§ Accuracy: 12Bit
§ Sampling buffer depth: 1024 bytes
§ Vertical Sensitivity: 5mV/Div – 20V/Div
§ Adjustable vertical displacement, and with instructions
§ Coupling modes: DC / AC / GND
§ The horizontal time base range: 10μs / Div – 50s / Div (1-2-5 progressive manner)
§ With automatic, regular and one-shot mode, easy to capture the moment waveform
§ Available rising or falling edge trigger
§ Adjustable trigger level position, and with instructions
§ Observable previous trigger waveform (negative delay)
§ Can freeze at any time waveform display (HOLD function)
Display and Control
Connection:
§ Power Supply: DC 8V-10V, recommend DC 9V, no more than 10V
§ Probe: connect the probe to BNC
Operation:
Button Functions:
【V/DIV】: Selection for Sensitivity and Vertical position
【SEC/DIV】: Selection for time base and horizontal position,
【TRIGGER】: Selection for Trigger mode, Trigger Level or Trigger Edge
【OK】: Press once to entert HOLD function, second press to exit HOLD function
【ADJ】: Arrow key, turn left and right to select parameters Selected parameter will be highlighted
【COUPLING SWITHC】: Coupling can be switched to DC, AC or GND. When it is switched to GND, the oscilloscope’s input is disconnected from external input and is connected to the ground, aka input is 0 V
Additional Functions:
Vertical position alignment Switch to GND：press【V/DIV】for 3 seconds
Parameter bar turn on/off：Press【OK】for 3 seconds to turn on/off the parameter bar.
Save waveform:Press 【OK】and 【TRIGGER 】at the same time, current waveform will be saved in EEPROM; the original data will be replaced.
Read waveform:Press【OK】and【SEC/DIV】at the same time, it can read the waveform saved in EEPROM; it is showed in HOLD mode.
Reset to default setting:Press【SEC/DIV】and【TRIGGER】for 3 seconds
Horizontal position centered:Press【SEC/DIV】for 3 seconds, horizontal position will be in the center of waveform buffer
Trigger level centered:Press【TRIGGER】for 3 seconds, Trigger level will be in the center of Signal amplitude.
Probe-compensated adjustment:
Adjust trimmer capacitor C3 and C5:
a) Connect the probe’s RED clip to signal output terminal, black clip not connected
b) Power on the oscilloscope to start, press【ADJ】knob for 3 seconds. Tthe bottom of the screen shows the output of the test signal amplitude, and then press【ADJ】 to adjust amplitude to 0.1V.
c) Set sensitivity to 50mV, adjust trigger level to make the waveform stable.
d) Adjust C3 to make the waveform right-angled. C3 adjustment is finished.
e) Press【ADJ】to adjust amplitude to 3.3V, and set sensitivity to 1V, adjust C5 to make the waveform right-angled.
Package included:
1*DSO328 LCD Digital Oscilloscope Tester 1Msps 200KHz Bandwidth Replace DSO138 DSO311
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If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
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