OWON TAO3072(A) 2CH 70MHz Tablet Digital Oscilloscope
OWON TAO3072 / TAO3072A Handheld Oscilloscope is a compact dual-channel scope with 70 MHz bandwidth, up to 1 GSa/s real-time sampling, and 40 Mpts memory depth. Equipped with a large 8″ TFT LCD (800×600) and a portable design, it is perfect for field engineers, service technicians, and education labs.
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TAO3072: Standard 8-bit resolution for general-purpose testing.
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TAO3072A: Advanced model with switchable 8-bit / 12-bit / 14-bit resolution for higher precision and more detailed signal analysis.
OWON TAO3072 / TAO3072A Handheld Oscilloscope
The OWON TAO3072 series is a versatile handheld oscilloscope that combines professional performance with portable convenience. With a 70 MHz bandwidth, dual channels, a maximum sampling rate of 1 GSa/s, and a 40 Mpts memory depth, it provides accurate waveform capture for a wide range of test scenarios. A large 8-inch TFT LCD (800×600 resolution) ensures clear signal visualization, while the lightweight, battery-powered design makes it ideal for field use and mobile applications.
The series includes two model options:
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TAO3072 – standard model with 8-bit resolution, suitable for general electronics testing and everyday troubleshooting.
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TAO3072A – advanced version with switchable 8-bit / 12-bit / 14-bit resolution, offering enhanced vertical accuracy for high-precision analysis. This makes it an excellent choice when detailed waveform fidelity and measurement accuracy are critical.
Application Examples
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Field Service & Maintenance: Diagnose power electronics, embedded systems, or communication circuits directly on-site without bulky benchtop instruments.
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Education & Training: Perfect for classrooms and labs where students can practice real-world signal analysis with a rugged, portable tool.
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Industrial & Automotive Testing: Analyze control signals, PWM waveforms, and sensor outputs in automotive systems or industrial control environments.
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R&D and Prototyping: Engineers can capture fast transient signals, debug prototypes, and validate designs with confidence using the deep memory and high sampling rate.
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Power Electronics: The selectable higher resolution in the TAO3072A helps visualize low-level ripple and switching waveforms, making it valuable for inverter, PSU, and converter testing.

Why Choose the TAO3072 Series?
By offering both the standard TAO3072 for cost-effective general testing and the TAO3072A for advanced high-resolution measurement, OWON ensures flexibility for different users. Whether you are a field engineer, educator, or R&D professional, the TAO3072 series delivers portable performance without compromising accuracy.

Key Features – OWON TAO3072 / TAO3072A Handheld Oscilloscope
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70 MHz Bandwidth, Dual Channels – Capture and analyze a wide range of signals in electronics, industrial, and automotive applications.
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High-Speed Sampling – Up to 1 GSa/s real-time sample rate combined with 40 Mpts memory depth ensures accurate waveform reproduction and reliable analysis of both slow and fast events.
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Large 8″ Color TFT Display – The bright 800×600 resolution LCD provides a clear, detailed view of signals, even in portable field environments.
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Flexible Resolution Options – The standard TAO3072 offers 8-bit resolution for everyday testing, while the advanced TAO3072A features switchable 8-bit / 12-bit / 14-bit resolution, giving engineers the precision needed for high-accuracy measurements.
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Portable & Rugged Design – Lightweight, battery-powered, and built for mobility, ideal for field engineers and technicians who need performance on the go.
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USB Connectivity – Easily transfer captured data to a PC for further storage, documentation, or advanced analysis.
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Versatile Measurement Applications – Suited for field service, R&D labs, educational training, automotive diagnostics, and power electronics testing, making it a flexible all-in-one tool.
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Long Battery Life – Integrated rechargeable lithium battery supports extended operation time, ensuring reliable use in workshops, labs, or outdoor locations.

Model | TAO3072 | TAO3102 | TAO3072A | TAO3102A |
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Bandwidth | 70MHz | 100MHz | 70MHz | 100MHz |
Sample Rate | 1GS/s | |||
Vertical Resolution (A/D)) | 8 bits | 8bits/12bits/14 bits | 8bits/12bits/14 bits | |
Record length | 40M | |||
Waveform Refresh Rate | 45000 wfms/s | |||
Horizontal Scale (s/div)) | 1ns/div - 1000s/div, step by 1 - 2 - 5 | |||
Channel | 2 | |||
Display | 8" color LCD, 800 x 600 pixels display,multi-touch screen | |||
Input Impedance | 1MΩ ± 2%, in parallel with 15pF ± 5pF | |||
Max Input Voltage | 1MΩ ≤ 300Vrms; | |||
Probe Attenuation Factor | 0.001X - 1000X, step by 1 - 2 - 5 | |||
Input Coupling | DC, AC, GND | |||
Vertical Sensitivity | 1mV/div - 10V/div (at input) | |||
Trigger Type | Edge, Video, Pulse, Slope, Runt, Windows, Timeout, Nth Edge, Logic, I2C, SPI, UART(RS232), and CAN (optional) | |||
Bus Decoding() | I2C, SPI, UART(RS232), CAN | |||
Trigger Mode | Auto, Normal, and Single | |||
Automatic Measurement | Vpp, Vavg, Vrms, Freq, Period, Week RMS, Cursor RMS, Vmax, Vmin, Vtop, Vbase, Vamp, Overshoot, Phase A→B ↑, Phase A→B↓, Preshoot, Rise Time, Fall Time,+Width, -Width, +Duty, -Duty, Duty Cycle, Delay A→B ↑, Delay A→B↓, +Pulse Count, -Pulse Count, Rise Edge Count, Fall Edges Count, Area, Cycle Area | |||
Waveform Math | +, -, ×, ÷, FFT,FFTrms,Intg,Diff,Sqrt, User Defined Function, Digital Filter | |||
Waveform Storage | 100 waveforms | |||
Communication Interface | USB host, USB device, USB port for PictBridge,LAN, and WIFI (optional) | |||
Frequency Counter | available | |||
Battery | 7.4V, 8000mAh, 5 hours operation | |||
Dimension(WxHxD) | 270x191x48 | |||
Device Weight | About 1.7kg |
Multiemeter Specifications(only apply for 2 channels model) | Voltage | Current | Impedance | Diode /Auto Ranging |
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4 1/2 digitals | mV: 20.000mV - 200.00mV | ACD: 20.00A ACA:20.00A | 200.00Ω - 100.00MΩ | YES |
DCV: 2.0000V - 1000.0V | ||||
ACV: 2.0000V - 750.0V |
Inlcuded Accessories :
1 x TAO3072 Tablet oscilloscope
1 x Battery 7.4V 8000mAh
2 x Test probe Oscilloscope
2 x Test probe multimeter
1 x Power cord + power adapter
1 x USB cable
1 x BNC-SAM adapter
1 x CD with software and manual
