DSO FNIRSI-138 2.4" TFT Pocket-size Digital Oscilloscope Kit DIY Parts for Oscilloscope Electronic Learning Set 1MspsThis DSO FNIRSI-138 digital oscilloscope kit adopts ARM Cortex- proceor and with 2.4-inch TFT screen. It's easy and reliable for circuit operation. It can display frequency, period, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values.Features:This kit uses ARM Cortex- proceor , and includes a 2.4-inch color TFT display screen, can be used as ARM test development board.Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.Adjustable vertical dispment, and with instructions.With automatic, regular and one-shot modes, easy to capture the moment waveform.Available rising or falling edge trigger.Observable previous trigger waveform (negative delay).Can freeze at any time waveform display (HOLD function).Comes 1Hz /3.3V square wave test signal source.With waveform digital display, including frequency, period, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values.Short-circuit and open-circuit : can help the user find out the error.TFT controller recognition function.Specifications:Maximum Real-time Sampling Rate: 1MspsAccuracy: 12BitSampling er Depth: 1024 bytesAnalog Bandwidth: 0-200KHzVertical Sensitivity: 10mV / Div - 5V / Div (1-2-5 progreive manner)Input Impedance: 1MΩMaximum Input Voltage: Vpp (1: 1 probe), 400Vpp (10: 1 probe)Coupling Modes: DC / AC / GNDThe Horizontal Time Base Range: 10μs / Div - s / Div (1-2-5 progreive manner)Supply Voltage: DC 9VPCB Size: 117 * 76mm / 4.6 * 3inScreen Size: 52 * 40mm / 2 * 1.57inPackage List:1 * DSO FNIRSI-138 soldered Oscilloscope Kit1 * Probe3 * User Manual(English)