3 in 1 Oscilloscope Multimeter Signal Generator 2 Channels 50MHz Bandwidth 250MSa/s Sampling Rate Handheld Oscilloscope Item Type: Oscilloscope Multimeter Signal Generator Material: ABS, silicone Model: O9 Power Supply Battery: 1 x lithium ion battery 5000mAh (built in) Multimeter Technical Specifications Function Range Resolution Accuracy DC Voltage (V) 2.0000V 0.0001V ±(0.8%+3) 20.000V 0.001V 200.00V 0.01V ±(0.5%+5) 1000V 0.1V DC Voltage (mV) 20.000mV 0.001mV ±(1.0%+5) 200.00mV 0.01mV ±(1.0%+3) AC Voltage (V) 2.0000V 0.0001V ±(1.0%+3) 20.000V 0.001V 200.00V 0.01V ±(1.2%+5) 750V 0.1V AC Voltage (mV) 20.000mV 0.001mV ±(1.2%+5) 200.00mV 0.01mV ±(1.0%+3) AC Voltage Frequency Response: 40Hz~1kHz DC Current (mA) 20.00mA 0.001mA ±(1.0%+3) 200.00mA 0.01mA AC Current (mA) 20.00mA 0.001mA ±(1.2%+5) 200.00mA 0.01mA Flexible Current Clamp AC Current (A) 200.0A 0.1A ±(1.0%+5) 2000A 1A The current clamp is AC 50Hz, the relationship between current and tower is 1mV 10A; The compatible current coils are 100mv at 1000A Resistance 200.00Ω 0.1Ω ±(1.2%+5) 2.0000KΩ 0.0001kΩ ±(1.0%+3) 20.000KΩ 0.001kΩ 200.00KΩ 0.01kΩ 2.0000MΩ 0.0001MΩ ±(1.5%+5) 20.000MΩ 0.001MΩ 200.00MΩ 0.01MΩ Capacitance 999.99nF 0.01nF ±(0.5%+20) 9.999uF 0.001uF ±(4.5%+5) 999.99uF 0.01uF 99.999mF 0.001mF ±(5%+10) Temperature (-20~1000)℃ 1℃ ±(2.5%+5) (-4~1832)℉ 1℉ Diode Yes On/Off Yes Signal Generator Technical Specifications Waveform Type Sine wave, square wave, triangular wave, half wave, full wave, sawtooth wave, DC Frequency Range  0Hz~20MHz Output Channel  1 Output Amplitude  0.1V~3.0V Minimum Resolution  1Hz Square Wave Duty Cycle  1%-99% Oscilloscope Technical Specifications Characteristic Description Broadband 50MHz Dual channel real time sampling Sampling Sampling Method Real time sampling Real Time Sampling Rate 250MSa/s Number of Channels 2 Dual channel AC and DC Input Input Coupling AC, DC Input Impedance 1MΩ at 16pF Probe Attenuation X1, X 10 Maximum Input Voltage X1 range <150V, X 10 range <300V (DC+AC peak) Level Sampling Frequency Range 1.5Sa/s-250MSa/s Waveform Interpolation (sinX)X Scanning Speed 100ns/div-20s/div Time Base Accuracy 20ppm Storage Depth Up to 128Kbyte Vertical Sensitivity 20mV/div- 10V/div Displacement Range 4 grids (positive and negative) Analog Broadband 50MH/z Low Frequency Response Greater than 10Hz Rise Time  Less than 10ns DC Gain Accuracy ±3% Measure Automatic Measurement  Cycle, frequency, peak to peak value, maximum value, minimum value, duty cycle, root mean square Trigger Trigger Method Automatic, normal, single time Trigger Edge Rising edge, falling edge Display Mode YT、XY、 roll Afterglow Time Minimum, 500ms, 1s, 10s, infinite