DSO software for Hantek USB digital signal oscilloscopes 6022BE / BL.
OpenHantek6022 is a digital signal oscilloscope (DSO) software designed to support Hantek 6022BE and 6022BL USB oscilloscopes, as well as compatible models such as Voltcraft DSO-2020. It provides advanced tools for waveform visualization, measurement, and analysis.
Key Features:
Waveform Visualization: Real-time display of voltage and spectrum signals across all supported channels.
Multi-Channel Analysis: Supports AC coupling and advanced math operations (e.g., addition, subtraction, multiplication) between channels.
Measurement Functions: Calculates Vpp, DC average, AC, RMS, frequency, dBV, dBu, dBm, power dissipation, THD, and audio note values with cent deviation.
Customizability: Offers adjustable probe attenuation, time base settings (10 ns/div to 10 s/div), and sample rates up to 50 MS/s.
Open Source Firmware: Eliminates reliance on proprietary firmware for enhanced transparency and flexibility.
Audience & Benefit:
Ideal for engineers, educators, hobbyists, and researchers to perform precise signal analysis without the need for expensive equipment. The software supports Linux, FreeBSD, macOS, Raspberry Pi, and Windows, making it accessible across multiple platforms.
OpenHantek6022 can be installed via winget on compatible systems, providing a seamless setup experience.
README
OpenHantek6022
OpenHantek6022 is a free software for Hantek DSO6022 USB digital signal oscilloscopes that is actively developed on
github.com/OpenHantek/OpenHantek6022 - but only for Hantek 6022BE/BL and compatible scopes (Voltcraft, Darkwire, Protek, Acetech, etc.).
Demo mode is provided by the -d or --demoMode command line option.
Fully supported operating system: Linux; developed under debian stable (currently bookworm) for amd64 architecture.
Raspberry Pi packages (raspbian stable) are available on the Releases page, check this setup requirement.
Compiles under FreeBSD (packaging / installation: work in progress, thx tspspi).
Other operating systems builds: Windows (mostly untested) & macOS (completely untested).
No support for non-Linux related issues unless a volunteer steps in!
Extensive User Manual with technical specs and schematics.
Features
Voltage and Spectrum view for all device supported channels.
CH1 and CH2 name becomes red when input is clipped (bottom left).
Settable probe attenuation factor 1..1000 to accommodate a variety of different probes.
Measure and display Vpp, DC (average), AC, RMS and dB (of RMS) values as well as frequency of active channels.
Display as dBV (0 dBV = 1 V rms), dBu (0 dBu = 1 mW @ 600 Ω) or dBm (0 dBu = 1 mW @ 50 Ω) can be selected in Oscilloscope/Settings/Analysis.
Display the power dissipation for a load resistance of 1..1000 Ω (optional, can be set in Oscilloscope/Settings/Analysis).
Display the THD of the signal (optional, can be enabled in Oscilloscope/Settings/Analysis).
Show the note values and deviation in cent (twelve equal, A = 440 Hz) for audio frequencies (optional, can be enabled in Oscilloscope/Settings/Analysis). Useful to tune e.g. your electrical guitar.
Math channel modes: CH1+CH2, CH1-CH2, CH2-CH1, CH1*CH2 and square, abs, sign, AC and DC part of CH1 or CH2.
Time base 10 ns/div .. 10 s/div.
Sample rates 100, 200, 500 S/s, 1, 2, 5, 10, 20, 50, 100, 200, 500 kS/s, 1, 2, 5, 10, 12, 15, 24, 30 MS/s (24 & 30 MS/s in CH1-only mode, 48 MS/s not supported due to unstable USB data streaming).
Hardware input gain automatically selected based on vertical sensitivity: 1x (up to ±5 V for 1, 2 or 5 V/div), 2x (up to ±2.5 V for 500 mV/div), 5x (up to ±1 V for 200 mV/div) and 10x (up to ±500 mV for 20 or 50 mV/div).
Downsampling (up to 200x) increases resolution and SNR.
Calibration output square wave signal frequency can be selected between 32 Hz .. 100 kHz in small steps (poor person's signal generator).
A little HW modification provides a jitter free HW-driven calibration output signal instead of the interrupt driven SW-output.
Trigger modes: Normal, Auto and Single with green/red status display (top left).
Untriggered Roll mode can be selected for slow time bases of 200 ms/div .. 10 s/div.
Trigger filter HF (trigger also on glitches), Normal and LF (for noisy signals).
Display interpolation modes Off, Linear, Step and Sinc.
Calibration values loaded from eeprom or a model configuration file.
Online offset calibration creates a configuration file for persistent data storage.
Cursor measurement function for voltage, time, amplitude and frequency.
Export of the graphs to JPG, PNG or PDF file or to the printer; data export as CSV or JSON.
Freely configurable colors.
Automatic adaption of iconset for light and dark themes.
The dock views on the main window can be customized by dragging them around and stacking them.
This allows a minimum window size of 800*300 for old laptops or workstation computers.
All settings can be saved to a configuration file and loaded again.
French, German, Russian and Spanish localisation complete; Chinese, Polish and Swedish is updated regularily; Italian and Portuguese translation ongoing - volunteers welcome!
AC Coupling
A little HW modification adds AC coupling. OpenHantek6022 supports this feature since v2.17-rc5 / FW0204.
Continuous Integration
Every commit triggers a workflow on
GitHub Actions
that builds and packages OpenHantek6022 for:
Linux (*.deb, *.rpm, *.tar.gz)
Windows (*_mingw_x64.zip, *_msvc_x64.zip)
macOS - (*.dmg, *.tar.gz)
This status badge here (and on top) show the build status.
Building OpenHantek6022 from source
The preferred way to run OpenHantek6022 is to build it from source on your system, especially under Linux.
The easiest way to get an up-to-date working code base is to clone the code from here via
To make building for Linux even easier, I provide two shell scripts:
LinuxSetup_AsRoot, which installs all build requirements. You only need to call this script once (as root) if you have cloned the project.
LinuxBuild configures the build, builds the binary and finally creates the packages (deb, rpm and tgz) that can be installed as described in the next paragraph.
If you make small changes to the local source code, it is sufficient to call make -j4 or fakeroot make -j4 package in the build directory.
Install Prebuilt Binary Packages
Download Linux (Ubuntu 2404 LTS), Raspberry Pi (Debian stable), FreeBSD (12.1), macOS (13) and Windows (MINGW / MSVC2022) packages for your convenience from the Releases page.
If you want to follow ongoing development, packages built from a fairly recent commit are available in the rolling
devdrop release.
Individual features or elements of the GUI may still change.
These binary packages are built on stable operating system versions and require an up-to-date system.
As I develop on a Debian stable system my preferred (native) package format is *.deb.
The program itself and the *.deb package built on my local system is tested for completeness and correctness.
The precompiled packages are only randomly tested - if at all - and the installation of the *.rpm packages is untested.
To install the downloaded *.deb package, open a terminal window, go to the package directory and enter the command (as root) apt install ./openhantek_..._amd64.deb.
This command will automatically install all dependencies of the program as well.
For installation of *.rpm packages follow similar rules, e.g. dnf install ./openhantek-...-1.x86_64.rpm.
The *.tar.gz achives contain the same files as the *.deb and *.rpm packages for quick testing - do not use for a permanent installation. Do not report any issues about the *.tar.gz!
On a Linux system start the program via the menu entry OpenHantek (Digital Storage Oscilloscope) or from a terminal window as OpenHantek.
You can explore the look and feel of OpenHantek6022 without the need for real scope hardware by running it from the command line as: OpenHantek --demoMode.
Note: To use the 6022BL in scope mode, make sure the "H/P" button is pressed before plugging in.
Using Hantek 6022BL LA Function
The Hantek6022BL can either be used as oscilloscope or as logic analyzer,
but not both at the same time - it is not a mixed-signal-oscilloscope (MSO).
If you want to use the LA part, then sigrok is the way to go, it works (besides Linux) also for MacOS and Windows.
There is no point in supporting the LA input from OpenHantek.
Offset Calibration
The oscilloscope has quite a large zero point error. To calibrate the offset quickly, simply proceed as follows:
Short-circuit both inputs, e.g. with a 50Ω terminating plug or by short-circuiting the probe inputs.
Activate the menu setting Oscilloscope/Calibrate Offset.
Set a slow timebase of 10..100 ms/div, resulting sample rate is 100..10 kS/s.
Slowly select all voltage settings for CH1 and CH2 one after the other.
Finally deactivate the menu setting Oscilloscope/Calibrate offset.
The offset correction is now active and is also permanently saved in EEPROM or as an *.ini file when switched off.
OpenGL Support
OpenHantek6022 uses the OpenGL graphics library to display the data. It requires a graphics card that supports
3D rendering and runs on legacy HW/SW that supports at least OpenGL 2.1+ or OpenGL ES 1.2+.
OpenGL is selected by default, but if this does not work (i.e. the black scope window shows an error message
or closes immediately after startup), you can choose the less resource-hungry OpenGL ES variant as a fallback
by starting OpenHantek from the command line as follows: OpenHantek -e or OpenHantek --useGLES.
Especially on Windows, this option may be necessary to use the program.
It has been reported that the MINGW binary build on some Windows systems had problems with the graphical display
and led to a black screen without traces. In these cases, the switch to the MSVC binary build can help.
Similar issues with Linux on ChromeOS (Crostini) can be solved by setting the environment variable LIBGL_ALWAYS_SOFTWARE=1 when using OpenHantek.
This could also be a solution for the above MINGW issue, see e.g. #360
and #388 - not yet confirmed.
The Raspberry Pi build uses OpenGL ES automatically, check also the graphics driver setup.
USB Access
USB access for the device is required (unless using demo mode):
Linux/Unix
You need to copy the file utils/udev_rules/60-openhantek.rules to /etc/udev/rules.d/ or /usr/lib/udev/rules.d/ and replug your device.
Note: If OpenHantek is installed from a *.deb or *.rpm package this file is installed automatically into /usr/lib/udev/rules.d/.
Windows Caution: The original Hantek driver for Windows doesn't work! You have to assign the correct WinUSB driver:
Right-click on OpenHantek.inf and select "install" from the pull-down menu.
The Device Manager will show (under "Universal Serial Bus devices") the name and state according to the firmware loaded (e.g. Hantek 6022BE - Loader, Hantek 6022BE - OpenHantek).
The PulseView/sigrok-cli firmware is also recognized (e.g. Hantek 6022BE - Sigrok).
It is recommended to use the .inf file, but it is also possible to alternatively use the Zadig tool
and follow the good step-by-step tutorial provided by DaPa.
Important!
The scope doesn't store the firmware permanently in flash or eeprom, it must be uploaded after each power-up and is kept in ram 'til power-down.
If the scope was used with a different software (old openhantek, sigrok or the windows software) the scope must be unplugged and replugged one-time before using it with OpenHantek6022 to enable the automatic loading of the correct firmware.
The top line of the program must display the correct firmware version (FW0210).
Specifications, Features, Limitations and Developer Documentation
I use this project mainly to explore how DSP software can improve and extend the limitations
of this kind of low level hardware. It would have been easy to spend a few bucks more to buy a powerful scope - but it would be much less fun :)
Please refer also to the developer info.
Contribute
We welcome any reported GitHub issue if you have a problem with this software. Send us a pull request for enhancements and fixes. Some random notes:
Use the same coding style and spacing -> install clang-format and use make target: make format or execute directly: clang-format -style=file -i *.cpp *.h.
It is mandatory that your commits are Signed-off-by:, e.g. use git's command line option -s to append it automatically to your commit message:
git commit -s -m 'This is my good commit message'
Open a pull request with a clear title and description.
Openhantek6022 is a project where people from all over the world collaborate peacefully, regardless of where they live.
If you are lucky enough to live in peace, please donate
to the International Committee of the Red Cross.
