DSO311 2.4" TFT LCD Mini Digital Oscilloscope 1Msps STM32 12-Bit w/ Probe Hot

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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. The DIY kit has fun to make your own oscilloscope. Especially suitable for who are interested in soldering and STM32. With Cool Black Case. Unlike DSO138, DSO311 is with a cool black case, which makes it convenient to use in teaching and testing. Specification: Material: Plastic + electronic components LCD screen size: 2.4inch 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 squarewave test signal source: Yes Accuracy: 12Bit Sampling buffer depth: 1024 bytes Vertical sensitivity: 5mV/Div - 20V/Div (1-2-5 progressive manner) Vertical displacement: Adjustable (with instructions) Coupling modes: DC / AC / GND The horizontal time base range: 10μs / Div - 500s / Div (1-2-5 progressive manner) Mode: automatic, regular and one-shot mode Rising or falling edge trigger: Yes Trigger level position: Adjustable(with instructions) Previous trigger waveform (negative delay): Observable HOLD function: Can freeze at any time waveform display Type: DIY Kit, Finished Product(Optional) Color: Black Size: Approx. 120 x 75 x 22mm / 4.72 x 2.95 x 0.86inch Weight: 220g(DIY Kit), 205g(Finished Product) Quantity: 1pc Connection: Power Supply: Connect DC 9V power to socket at the bottom of the power(The central conductor is the positive pole). The voltage of the power supply must be between 8V and 10V. Probe: connect the probe to the BNC connector at the top. Operation method: Basic function of the key V/DIV: Select the sensitivity or vertical position, highlight the selected parameters. SEC/DIV: Select the time base or horizontal position, highlight the selected parameters. TRIGGER: Select trigger mode, trigger level, or trigger edge, highlight the selected parameters. OK: Enter HOLD state (freezing waveform), press again, exit the HOLD state (thawing waveform) ADJ: Adjust the selected (highlighted) parameters. COUPLING SWITCH: Set the coupling to DC, AC, or GND. When the switch is in the GND position, the input of the oscilloscope is disconnected from the outside input, which means the input is 0V. Advanced function of the key Operation Vertical position alignment Set the coupling switch in GND position and press V/DIV button for 3 seconds Measuring the display switch Long press OK button in 3 seconds, and the screen display of the measurement parameters will open or close. These parameters include Vmax, Vmin, Varv, Vpp, Vrms, frequency, cycle, pulse width and space ratio. Save the waveform Press OK and Trigger button simultaneously, the current display waveform will be saved to the EEPROM. The original data in the EEPROM will be covered. Bring up the waveform Press OK and SEC/DIV button simultaneously, the waveform data in EEPROM will be called out, displayed under the HOLD state. Reset to Default Setting Press SEC/DIV and TRIGGER button simultaneously for 3 seconds. Center the horizontal position Press SEC/DIV button simultaneously for 3 seconds to place the horizontal position in the center of the waveform buffer. Center the trigger level Press the TRIGGER button for 3 seconds to place the TRIGGER level in the middle of the signal range. Probe compensation adjustment: Adjust trimmer C3 and C5: Connect the probe's red clamp to the test signal output terminal and let the black clamp suspend. Start up the oscilloscope with power, long press ADJ button about 3 seconds, the output amplitude of the test signal will display on the left bottom of the screen, and then press the ADJ button, the magnitude will be 0.1V. Set the sensitivity of the oscilloscope to 50mV and adjust the trigger level to stabilize the waveform. Adjust C3 to turn the corner of the waveform at right angles, and the adjustment of C3 is completed. Press the ADJ to make the test signal amplitude 3.3V, and set the oscilloscope sensitivity to 1V. Adjust the C5 to turn the corner of the waveform at right Angle. Package List: 1 x Oscilloscope 1 x Probe Note: Please allow 1-3CM differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. ● Payment We accept PayPal only. We only ship item to your PayPal verified address. Payment must be received within 3 days from the date of purchase. Orders will be processed instantly and dispatched in same day normally, so we do NOT accept any Email/Message note after you place orders. ● Terms of sales1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international import duties. 2. Import duties,taxes,and charges are not included in the item price or shipping fee. 3. The import duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. 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